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People have worked with bituminous materials for road-building and waterproofing for centuries. Adding nitrogen compounds to bitumen is not a recent twist in this long story. By the late nineteenth century, chemists started experimenting with nitration—an innovation driven by the need for explosives but spilling over into new construction and industrial materials. Early versions of nitrobitumen came out of this experimental streak, offering something different: a sticky, energy-dense product with traits that straight bitumen or pitch never showed. In the modern world, refining methods have sharpened, but the core idea remains the same. Factories no longer worry about the uncontrolled and risky processes of the early years; safety regimes and clever engineering make nitrobitumen both viable and controlled for industrial use. That journey—out of risk and into utility—mirrors the path most specialty chemicals take.
Nitrobitumen blends the basic structure of bitumen, a hydrocarbon-rich residue, with reactive nitrating agents. The resulting black or dark brown mass can show quite a wider range of physical characteristics, depending on the feedstock and how far the nitration goes. This variation is exactly what makes the product useful for specialized waterproofing, adhesives, and insulating applications. Construction firms favor it for bond strength and resistance to weather cycles; other industries see value in its insulation properties against electrical or chemical influences. The key lies in transforming ordinary bitumen, an age-old product, into something with new abilities—higher stickiness, stronger adherence, and resistance to aging, to name a few.
What stands out with nitrobitumen is how small changes in preparation tweak its properties. Dense, almost plasticky at room temperature, it warms up into a malleable material, retaining its tack for longer periods than plain bitumen. Specific gravity lands in the 1.1–1.3 range, holding its place as tougher than simple asphalt. Chemically, the nitration adds nitro groups that both stiffen the structure and introduce polar characteristics, which you don’t find in pure hydrocarbon bitumen. That means better performance on cold days and in moist climates. The added oxygen via nitrate esters shifts both the combustion behavior and resistance to certain solvents. Asphalt generally gives up easily to many organic solvents; once nitrated, it becomes unexpectedly stubborn except in the toughest chemical cleaners.
Nitrobitumen manufacturers stamp their labels with information that matters: active nitrogen percentage, softening point, penetration grade, and compatibility with mineral fillers. Product sheets often highlight the bitumen type used, since feedstock quality changes the end result. Industry standards ask for test figures such as Brookfield viscosity at different temperatures, ash content, and flash point. Labels must warn about handling precautions—especially regarding the flammability and reactivity that nitro groups introduce. Dangerous goods codes pop up for some grades, reflecting strict transport rules in many countries. Most plants use closed packaging and specific barrel coatings to prevent accidental ignition or evaporation. Any builder or engineer expects this level of detail, knowing that a small slip in composition or storage may show up as a major construction failure years later.
Creating nitrobitumen means juggling practical chemistry with robust safety. Technicians start by selecting a compatible grade of bitumen, often refining the feedstock for purity. The nitration process relies on controlled addition of a mixture—usually concentrated nitric and sulfuric acids—at managed temperatures in reactors with strict isolation, cooling, and sometimes neutralization modules. Older, open methods brought unacceptable risks of toxic fumes or thermal runaways. Today, the focus lands squarely on reactor integrity and the installation of scrubbers for off-gases, reflecting a strong safety culture. The final step neutralizes acids, washes out any residue, and cools the product for pouring or blending. Depending on the target market, manufacturers sometimes add plasticizers, fillers, or stabilizers at this stage, tuning characteristics for construction, insulation, or coating work.
Nitrating bitumen means targeting specific aromatic and aliphatic components, latching on nitro groups and, at the molecular level, shifting electron density. That boosts stiffness, but may also open the path to unwanted side reactions—oxidation, or even thermal decomposition. Process engineers keep a close eye on rate of acid addition and temperature to prevent runaway reactions or uncontrolled fuming. Once basic nitrobitumen exists, manufacturers sometimes graft extra polymers or resins onto the molecule, especially where flexibility or UV resistance is needed. Upgrading ordinary nitrobitumen with silicone modifiers leads to products for harsh outdoor installation. Chemists don’t stop at nitration; every year, labs around the world test new modifiers, hoping for a balance between higher performance and production costs.
Markets and research papers alike toss around many names for nitrobitumen. You sometimes see it called nitrated asphalt, nitroaromatic bituminous compound, or simply NBX compound in industrial contexts. Companies brand their own blends with names echoing “Nitrophalt” or “NitroSeal,” underlining the focus on sealing or roadwork. Catalogs in different countries list it under specialty chemical labels—making it clear to buyers that standard asphalt doesn’t belong in the same bucket as these modified compounds. The language changes, but the heart of the product—bitumen with nitrogen—remains consistent.
Handling nitrobitumen calls for extra care, far above routine asphalt work. Nitration adds both performance and risk, and the industry builds its safety rules on hard-earned experience. Top practices mandate full protective gear—not just gloves, but full respirators in case fumes escape. Storage rooms require strict controls on temperature and ventilation, with active monitoring for acid vapors. Transport rules often treat higher nitrogen-content blends as hazardous cargo, invoking special permits and restricted routes. Training covers what to do if things go wrong: dousing with water, venting tanks, and, in worst-case scenarios, bypassing runoff to environmental containment. Facilities usually dial into a zero-incident mindset, recognizing that one slip could bring both injury and regulatory shutdowns. Regulated disposal methods apply to process residues and unused batches—discharging anything into the water table is off-limits, given the risk of groundwater contamination.
Demand for nitrobitumen stretches past classic paving jobs. On busy highways and airport runways, its durability outperforms cheaper binders, reducing the frequency of expensive repairs. City construction teams use it for waterproofing underground concrete—especially where shifting soils or frequent rain challenge traditional membranes. Power generation, too, leans on the insulating traits, keeping out water and electric arcs from sensitive transformers and cabling. Marine engineering finds uses on docks and pipelines vulnerable to saltwater and sunlight. The flexibility to tweak product properties—thicker or thinner, harder or more elastic—opens countless doors. Any zone where long service life and resistance to harsh chemicals or freeze-thaw cycles gets top billing finds a role for nitrobitumen-based materials.
Research centers, especially in Europe and Asia, keep pushing the technical limits of nitrobitumen. Teams work on lowering production emissions, boosting recyclability, and tuning performance for climates from arctic to jungle. Modern analytics—mass spectrometry, NMR, electron microscopy—reveal exactly how the molecules shift after each stage of nitration or blending. One topic under hot debate asks whether green nitrating agents, from renewable sources, could cut environmental impact. Engineers in mobility sectors salute self-healing formulations, where microcapsules release repairing chemicals if cracks develop. The field draws a surprising amount of patent activity as new modifiers or nano-additives promise either better performance or a smaller carbon footprint. For practical builders and project managers, these labs represent the best hope for materials that last, cost less to maintain, and raise the bar on what infrastructure can endure.
The dark side of any nitrated material draws relentless scientific attention. Early in its development, little was known about long-term human exposure or environmental effects. Now, toxicologists focus on the risks linked to inhalation, skin contact, and long-run leaching. For workers, chronic exposure in poorly ventilated areas has led to stricter health checks and exposure limits. Animal studies signal concern at very high exposure levels, especially for certain nitrated byproducts, which can break down into nitrosamines—compounds watched closely by regulators for their cancer link. Soil toxicity tests, especially in spill-prone or waste-disposal zones, shape modern cleanup requirements. Researchers voice a need for clearer labeling, routine monitoring, and, above all, real investment in safe handling at every step—especially as older infrastructure gets replaced or recycled in major construction booms.
People look to the future of nitrobitumen expecting both promise and challenge. Urbanization, rising infrastructure demands, and tighter environmental rules point to products that push further on performance without ramping up risk. Blending computer modeling with old-school bench chemistry drives faster innovation than ever before. Sustainable sourcing, especially from biomass or recycled oil fractions, stands as a growth path. Makers hunting for ways to neutralize or reclaim waste acids on site could make production greener, lowering both costs and regulatory headaches. Regulatory bodies signal tougher emissions standards and disposal limits year by year, and the companies who listen—and act—find themselves best placed to keep a seat at the table. In practice, nitrobitumen sits where real-world need, chemical know-how, and a willingness to adapt intersect. Tomorrow’s cities will likely stand taller and last longer, in no small part because these materials keep on evolving.
Nitrobitumen refers to a type of bitumen that’s been modified with nitrogen-based chemicals, often nitric acid or related compounds. Bitumen itself comes from crude oil, appearing as a thick, sticky substance people have used for thousands of years—think ancient roads and waterproofing for boats. Today, bitumen still shows up in road construction, roofing, and water-resistant coatings. Some of my earliest work on highway repair projects gave me a close-up view of how temperamental regular bitumen can be when it comes to weather, traffic loads, and repair cycles.
Adding nitrogen compounds to bitumen changes how it behaves. The result is a material that hardens faster and bonds more strongly to surfaces than typical hot-mix asphalt. So, nitrobitumen often sees use in road patching, rapid repairs, and other jobs demanding a quick turnaround. Old-school hot asphalt takes a while to set and becomes soft under strong sunlight; nitrobitumen, on the other hand, stands up to temperature swings and traffic almost right away after application.
Mixing nitric acid or other nitrogen sources with bitumen sparks a chemical reaction. This changes the structure of bitumen at the molecular level—think of it as injecting extra backbone to a structure made of jelly. Road crews working in climates with big shifts between cold and hot know the value of asphalt that won’t become brittle and crumble in winter, or soft and messy in the heat. The improved strength and resilience of nitrobitumen means fewer potholes, smoother commutes, and less frequent road closures.
Nitrobitumen also forms a tighter seal when spread over surfaces. That matters in countries with heavy rainfall or where roads double as pipelines for stormwater runoff. By improving the seal, you fight off water intrusion—one of the main causes of cracks and sinkholes in paved surfaces. I’ve seen this play out during project reviews: roads with nitrobitumen held up for years where standard material fell apart after just a couple of harsh winters.
Nitrobitumen isn’t just a highway hero. Roofers and builders use it in waterproof coatings and membranes. Ask any contractor patching a leaky flat roof in spring—the added durability means longer-lasting repairs. For tunnel linings, canal beds, and industrial containment areas, nitrobitumen offers protection against water seepage and corrosion, which keeps infrastructure safe and maintenance costs down.
Despite these perks, nitrobitumen isn’t perfect. The handling and manufacture of nitric acid involves strict safety controls. Anyone working with nitrobitumen must follow tough standards to prevent fires, toxic exposure, or runoff entering water supplies. As a project manager, I’ve always stressed that quick-fix materials never become excuses to cut corners on worker safety or environmental protection. Better training, regular audits, and strict storage rules cut down on risks, but regulators need to keep up as products evolve.
Researchers keep searching for ways to reduce the environmental impact and boost the life span of these modified asphalts. More eco-friendly sources of nitrogen, recycled base oils, and techniques to trap fumes at the worksite will help. In my experience, partnerships between industry and universities push these improvements forward, especially in places where public expectations for both durability and green construction keep rising. Communities benefit not just from safer roads, but from smaller waste piles and cleaner air.
Nitrobitumen stands as an example of how chemistry still drives progress in everyday infrastructure—something most folks notice only after they hit that rare, perfectly smooth stretch of road.
Roads help us get where we need to go, but they don’t last forever. Whether it's heavy trucks rumbling by every day or just the wild swings in temperature during the year, surfaces crack and crumble. Over the years, working alongside local repair crews showed me that fixing these worn spots is not just about patching holes. It’s about making those patches stick — and that’s where nitrobitumen plays a bigger role than most people realize.
The job always starts with a clean, dry road. Old debris, dust, or stray pebbles will mess with good adhesion, and nothing makes a road crew swear more than watching their fix slide out of place after the next rainstorm. Crews usually grab high-pressure blowers or brooms, making sure the area shines.
Nitrobitumen comes in liquid form, often carried in big metal drums or tanks. The stuff looks black, thick, and a little menacing. Out at the job site, workers use heated sprayers or manual brushes, depending on the scale. I’ve seen bigger projects use spray trucks, laying down even sheets over massive potholes in a matter of minutes. For smaller jobs — tight alleys or smaller cracks — workers pull out portable sprayers or even grab squeegees and hand-brushes.
Heat matters. If the nitrobitumen cools before hitting the surface, it can set unevenly and peel. Crews work fast — it’s a race against time and temperature. Nobody wants to repeat the same fix the next season, so they pay close attention to the weather and heat the binder properly. This matters more than most folks realize. According to the National Asphalt Pavement Association, prepping and heating bituminous materials the right way can add years to the repair's life.
I’ve watched too many shortcuts lead to useless repairs. Skipping the pre-clean or letting the nitrobitumen cool too quickly wastes time and taxpayer money. I remember an instance in a Midwestern town where overnight rain hit just after an improperly sealed patch. The new cover let water creep underneath, turning the fix into another pothole by the weekend. The city had to redo the work at double cost.
Professional crews save a lot of frustration by sticking to solid application routines. Nitrobitumen gains its hard-wearing grip by bonding with tiny crevices in the old surface. Rushed or sloppy spreading breaks this bond. Additives mixed in with some blends improve flexibility and grip, helping everything survive freeze-thaw cycles and heavy loads. These details, backed by research from ASTM International, explain why some roads endure despite lower funding or rough climates.
Training makes the biggest difference, beyond any fancy equipment. Giving workers the right tools only helps if they know why each step matters. Municipalities often ignore this, looking just at upfront costs, but it hurts the roads (and the budget) in the long run. Investing even modest amounts in hands-on demonstrations — walkarounds or simple workshops — helps teams perfect the process. Contractors who focus on thorough prep and careful application produce roads that hold up long enough to justify every dollar.
If cities or highway departments want better repairs, they shouldn’t chase every new product on the market. Focusing on good training, careful prep, and using equipment that keeps nitrobitumen at the right temperature delivers results. Road crews on the ground already know the pitfalls; hearing and respecting their experience makes every fix last longer.
Most folks don’t spend much time thinking about what holds their highways together, but if you drive for a living, you notice when asphalt work drags on and on during hot weather. Nitrobitumen steps into this picture as a game-changer, especially for people tired of waiting in construction traffic. This material sets up quicker than regular hot mix, meaning road crews can open lanes much faster after repairs. Less downtime leads to less frustration for drivers and less overtime spent by work crews sweating under the sun.
If you’ve ever driven through northern towns in shoulder season, you see how potholes swallow up the edge of your tires after a harsh winter. Regular bitumen mix struggles to bind properly when temperatures drop, but nitrobitumen doesn’t just sit there waiting for spring. It reacts well at lower temperatures, helping crews catch up on repairs and keep traffic flowing during the crucial thaw cycles. This flexibility extends the working season and saves cities money by cutting down on emergency patches that never stick.
Talk to anyone working on the back end of a paving crew: keeping asphalt mix hot chews up a lot of diesel and electricity. Nitrobitumen doesn’t demand extreme heating before use, which means real savings. Lowering the energy bill isn’t just about penny-pinching. Every bit of fuel saved keeps both operating budgets and emissions down, a win for public finance and air quality. In my experience, municipal engineers love seeing those invoices drop, and crews appreciate not roasting next to the kettle for hours.
Broken pavement wastes everyone's time and money. Nitrobitumen holds together even under heavy daily traffic, withstanding pressure from trucks and bad weather alike. Some road workers talk about cutting back on call-backs for redoing worn-out patches, seeing better resilience against water getting in and freezing. That durability tracks with independent studies highlighting longer intervals between major maintenance. It means fewer raw materials hauled out to job sites, less heavy equipment idling on the street, and a smoother drive for everyone.
If you’ve watched a road repair job, you’ll know fumes can choke a site. Nitrobitumen, thanks to its cooler application, gives off much less vapor than classic mixes. Better air around the work zone cuts risk for folks on the paving crew and anyone stuck nearby in traffic. The reduced risk of accidental burns or explosions from overheated equipment can’t be overstated — people want to go home healthy, and this newer material helps.
Every community has its own mix of climate, traffic, and budget headaches. Nitrobitumen works not just for highways, but also for smaller roads, industrial sites, and even quick repairs on city streets. Crews don’t need as many storage or handling tweaks between projects because the material adapts to different tasks without a fuss. This versatility makes it easier for small towns and big cities alike to keep up with their patch lists, even under shifting forecasts or fluctuating work orders.
David Batchelor, a public works foreman in Alberta, once mentioned how training and oversight matter just as much as materials. Skilled crews, provided with well-tested nitrobitumen, notice both immediate and longer-term payoffs for road users. Some regions still need stronger checks on the quality of sourcing and delivery to make the most of this material’s strengths. Greater transparency about what goes into each batch, and more open reporting around site safety and performance, encourage higher standards across the board.
Nitrobitumen earns its place in construction and roadwork with its grip and resistance to water. I’ve handled enough resurfacing projects to understand why workers look for something that holds up against punishing weather and heavy vehicles. Folks often ask, “Which surfaces can even take this stuff?” If you’re dealing with concrete sidewalks, asphalt roads, or tough industrial floors, knowing where Nitrobitumen sticks (and where it doesn’t) can save time, money, and a few repair headaches.
Nitrobitumen bonds best to porous, mineral-based materials. Let’s start with classic concrete slabs. The micro-pores in concrete give the compound plenty of spots to latch onto, kind of like Velcro gripping onto fabric loops. I’ve seen this work wonders in patching driveways and rebuilding cracked sidewalks. The bond lasts well through frozen winters and steamy summers.
Asphalt hits the same sweet spot. Roads need sealing, and Nitrobitumen settles into all those tiny cracks and chips. I remember filling potholes on a rural route and watching motorists zoom by just an hour later—the repaired surface stayed firm season after season. The smooth finish and high flexibility help with heavy loads and sudden temperature swings. It resists the usual villains: oil leaks, road salt, and water seepage.
Certain metals—especially steel and iron—work pretty well with Nitrobitumen, but only after good surface preparation. I’ve seen rusty footbridges get sandblasted clean before Nitrobitumen goes on. If you skip the prep, the layer will peel like old paint. The same rule stands for stone tiles and curbs. You’ll want them dust-free and dry, since oil or dirt makes the bond unreliable.
For granite and marble, it’s a different story. These dense stones barely let anything stay put long-term. Nitrobitumen can form a temporary grip, but heavy rain, repeated foot traffic, or sharp temperature swings usually win out. If you have a fancy stone terrace, steer clear unless you’re patching small cracks.
Wood rarely gets along with Nitrobitumen. The fibers soak up moisture, but the shifting and swelling that happen outdoors pull the bond apart. My own garden shed taught me that one after the repair strips started curling off. The compound might hold for a few dry months, then split after a cold snap or spring thunderstorm.
Plastics present an even tougher challenge. They flex in ways this substance can’t keep up with. Add in smooth surfaces, and you get poor grip. Some PVC or fiberglass products include roughening agents for better adhesion, but they still fall behind concrete or asphalt by a mile.
Glass, with its ultra-smooth face, just won’t work. If you try, you’ll find the patch sliding off after the first heavy rainfall or night frost. It makes sense—nothing for the substrate to bite into, so nothing sticks around for the long haul.
Every professional job starts with a solid prep. Clean the surface, dry it out, and get rid of oils or loose grit. For household fixes, sand rough patches where possible. Ask for local advice if you’re tackling unfamiliar surfaces. A well-chosen mix keeps projects safe and lasting. Picking the right surface for Nitrobitumen is less about lab formulas and more about learning which real-world conditions matter most. That wisdom keeps us out of trouble—and keeps roads running smooth.
Anyone who has spent time on construction sites knows bitumen isn’t something you just pour and forget. Add nitric acid into the picture, and you’re dealing with nitrobitumen—a material used for specialized weatherproofing and industrial waterproofing jobs. It’s a serious substance. Without proper handling, you risk burns, inhalation injuries, fires, and damage to the environment. Lives depend on common sense and established safety habits here. I’ve seen workers rush, skip protection, or cut corners. That’s when preventable accidents happen.
Contact with nitrobitumen brings a high risk of skin injuries and chemical burns. Long sleeves, flame-resistant coveralls, chemical-resistant gloves, eye protection, and face shields do more than check a box—they block splashes, fumes, and skin contact. I’ve watched steam from heated nitrobitumen instantly fog up safety goggles. When the wind changes, it blows fumes you cannot see but certainly smell. Respirators rated for organic vapors matter when you don’t want to breathe in nitric acid mist. Wearing gear isn’t about paranoia—it’s about not coming home with burns or lung damage.
Heating nitrobitumen releases hazardous fumes—mostly oxides of nitrogen and bitumen fumes. These compounds cause headaches, dizziness, breathing troubles, or worse. Good ventilation takes the edge off those risks. Relying on open doors or fans in a closed warehouse simply doesn’t cut it. I’ve seen proper setups with powerful exhaust systems and open airflow. Fresh air keeps everyone safer. Fume monitors aren’t just pricey gadgets—they let you know if vapor levels start creeping up.
Nitrobitumen gets transported and pumped at high temperatures, which means every spill turns into an emergency. Only trained workers with full personal protection should move or pump it. I once watched an operator lose focus—spilled bitumen quickly ran down a slope, releasing fumes and becoming a slip hazard near hot equipment. Use equipment designed for chemical resistance. Hose checks and routine equipment inspections are boring but unclog valves and prevent unexpected leaks. Clean up spills fast with absorbent materials, and never let them reach the drains. Falling behind on regular housekeeping makes accidents harder to control.
Nitrobitumen contains flammable material, which puts it on par with liquid fuels if hot enough. Welding, smoking, or even a stray spark near open drums is a recipe for disaster. Keep extinguishers rated for chemical fires within easy reach. Train everyone on evacuation and emergency shutdowns. I still remember a warehouse blaze triggered by someone lighting a cigarette near a vent—no stack of paperwork can make up for an avoidable tragedy. Treating hot work permits and fire drills as real tools—not paperwork—changes how teams act in a tight spot.
Store it in designated, clearly marked areas that stay cool and dry. Containers should keep their seals intact and stay upright. Storing away from incompatible chemicals—especially oxidizers and open flames—matters more than saving space or convenience. Good housekeeping protects more than products. Regular checks catch container rust, label damage, and leaks early.
Only trained, qualified workers belong anywhere near nitrobitumen handling and clean-up. Continuous refresher courses drive home safe habits, especially with turnover. Open communication and real-life stories—they cut through boredom better than safety posters do. In crews where leaders work alongside every team member, there’s less temptation to cut corners. Safety grows in that kind of environment.
| Names | |
| Preferred IUPAC name | Nitrobitumen |
| Other names |
Blown asphalt Oxidized bitumen Blown bitumen |
| Pronunciation | /ˌnaɪtrəʊˈbɪtjʊmən/ |
| Identifiers | |
| CAS Number | 68476-34-6 |
| Beilstein Reference | 1730764 |
| ChEBI | CHEBI:53002 |
| ChEMBL | CHEMBL2103836 |
| DrugBank | DB14171 |
| ECHA InfoCard | 03f7b76b-abea-4734-92fa-352183f6822c |
| EC Number | 265-185-4 |
| Gmelin Reference | 37911 |
| KEGG | C18610 |
| MeSH | D017425 |
| PubChem CID | 12304780 |
| RTECS number | RN9000000 |
| UNII | 44SY3BGA7L |
| UN number | UN3257 |
| Properties | |
| Chemical formula | C7H7NO2 |
| Molar mass | 315.32 g/mol |
| Appearance | Black viscous liquid |
| Odor | tar-like |
| Density | 1.2-1.4 g/cm³ |
| Solubility in water | Insoluble |
| log P | 3.54 |
| Vapor pressure | Negligible |
| Acidity (pKa) | <4.0 |
| Basicity (pKb) | 3.4 |
| Refractive index (nD) | 1.51 |
| Viscosity | 200-300 cSt |
| Dipole moment | 1.77 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 489.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -805.0 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | 11590 kJ/kg |
| Pharmacology | |
| ATC code | D02AC08 |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS08 |
| Pictograms | GHS02, GHS08 |
| Signal word | Danger |
| Hazard statements | H226, H315, H336, H373 |
| Precautionary statements | P210, P240, P241, P242, P243, P260, P261, P271, P273, P280, P301+P310, P305+P351+P338, P308+P313, P333+P313, P337+P313, P370+P378, P403+P233, P501 |
| NFPA 704 (fire diamond) | 2-2-4-W |
| Flash point | > 220°C |
| Autoignition temperature | > 420 °C |
| Explosive limits | 0.9–7.0% |
| LD50 (median dose) | > 5000 mg/kg (rat, oral) |
| NIOSH | KL8150000 |
| PEL (Permissible) | 5 mg/m³ |
| REL (Recommended) | 300 g/m² |
| IDLH (Immediate danger) | IDLH: 100 mg/m³ |
| Related compounds | |
| Related compounds |
Bitumen Rubberized bitumen Polymer-modified bitumen Asphalt Tarmac |
