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Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%]

    • Product Name Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%]
    • Alias Perkadox 16
    • Einecs 208-966-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    101530

    product_name Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%]
    chemical_formula C10H18O6
    CAS_number 13940-56-2
    appearance Colorless to pale yellow liquid
    odor Slight ester-like odor
    purity_range 27% < Content ≤ 52%
    diluent_type Type B, ≥48%
    molecular_weight 234.25 g/mol
    melting_point -17°C
    boiling_point Decomposes before boiling
    flash_point Below -18°C (closed cup)
    solubility Insoluble in water, soluble in organic solvents
    storage_temperature Below 0°C (typically refrigerated)
    decomposition_temperature Approximately 35°C
    use_category Polymerization initiator

    As an accredited Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1-liter amber glass bottle, sealed with a chemical-resistant cap, labeled with hazard symbols and product details, packed in cushioned carton.
    Shipping Di-N-Butyl Peroxydicarbonate (27%-52% in Type B Diluent ≥48%) is shipped as a temperature-controlled hazardous material. It must be transported in approved, tightly sealed containers, kept cool (ideally ≤ 10°C), and protected from heat, shock, and direct sunlight. Proper labeling, placarding, and documentation according to DOT and IMDG regulations are required.
    Storage Di-N-Butyl Peroxydicarbonate (27–52% content, Type B diluent ≥48%) must be stored in a cool, well-ventilated area away from heat, sparks, open flames, and direct sunlight. Keep containers tightly closed, protected from physical damage, and separated from incompatible materials such as strong acids, bases, and reducing agents. Ensure temperature control (usually below 10°C) to prevent decomposition and potential explosion hazards.
    Application of Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%]

    Applications of Di-N-Butyl Peroxydicarbonate [27% < Content ≤52%, Type B Diluent ≥48%] in Industrial Manufacturing

    Di-N-Butyl Peroxydicarbonate is a specialized organic peroxide frequently selected as a free radical initiator in polymerization and modification processes. Our product, precisely controlled between 27% and 52% active content with a Type B diluent, delivers predictable decomposition rates supporting rigorous quality standards in regulated industrial chains. Below, we outline principal applications where our material consistently delivers process and compliance benefits, based on actual customer production demands.

    1. Suspension Polymerization of Polyvinyl Chloride (PVC) Resin

    PVC resin manufacturers integrate Di-N-Butyl Peroxydicarbonate in the suspension polymerization stage to initiate chain reactions at low temperatures. This approach supports the large-scale manufacture of resin with tailored particle size and controlled porosity for downstream processing, ensuring that the polymer properties align with profile extrusion or film blowing requirements. Our material fits well in batch and continuous reactor systems demanding precise initiator dosing and compliance with the latest global safety mandates.

    Industry compliance standards

    • GB/T 5761 (China PVC resin standard)
    • EN ISO 9001:2015 (Quality Management Systems)
    • REACH Regulation (EC) No. 1907/2006
    • Food Contact Materials Regulation (EU) No 10/2011 (where applicable)

    Typical usage ratio

    • 0.05–0.12 parts per 100 parts vinyl chloride monomer (VCM); varies by target molecular weight and desired polymerization temperature profile

    Downstream process integration

    • Dosed after charge of VCM and suspension agents, prior to reactor heat-up; added via closed system for safety and homogenization

    Final product types

    • General-purpose PVC resin
    • High molecular weight suspension PVC
    • PVC for rigid pipe, profile, and cable extrusion
    • PVC for calendared sheets and transparent film

    2. Bulk Polymerization of Ethylene-Vinyl Acetate (EVA) Copolymers

    Producers in the EVA copolymer segment deploy this peroxide initiator to achieve controlled copolymerization under low to moderate temperatures. This material’s stable decomposition characteristics support high conversion yields, provide fine-tuning for molecular architecture, and meet consistency benchmarks required for technical EVA grades, especially in foam shoe soles and photovoltaic encapsulant applications.

    Industry compliance standards

    • ASTM D1238 (Melt Flow Rates of Thermoplastics)
    • ISO 1133 (Plastics – Flow Rate of Melt)
    • RoHS (Restriction of Hazardous Substances Directive)
    • ISO 9001:2015 (Process and product traceability)

    Typical usage ratio

    • 0.03–0.07 wt% relative to total monomer mass; adjusted for comonomer proportion and intended melt index

    Downstream process integration

    • Introduced during bulk monomer charge, before temperature ramp; stabilized by pre-dilution and in-line metering in closed reactors

    Final product types

    • EVA copolymer for solar module encapsulant films
    • EVA for hot melt adhesives
    • EVA shoe sole compact and foam compounds
    • EVA films for packaging and lamination

    3. Solution Polymerization of Acrylate-Based Copolymers

    Major acrylate polymerization plants, serving paints, coatings, and adhesives markets, rely on this initiator for solution polymerization of butyl acrylate, methyl methacrylate, or related monomers under oxygen-controlled environments. The reliable initiation temperature profile improves polymer branching, minimizes gel formation, and supports tight molecular weight distribution as demanded by advanced formulations.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems)
    • FDA 21 CFR 175.105 (Adhesives for indirect food contact, where relevant)
    • APEO-free declaration (for coatings/paint sectors)
    • OECD Principles for Good Laboratory Practice (process validation)

    Typical usage ratio

    • 0.04–0.1 parts per 100 parts monomer; range determined by polymer chain control and UV performance specifications

    Downstream process integration

    • Metered in after monomer dilution into organic solvent; initiator concentration selected according to batch exotherm control and solvent compatibility

    Final product types

    • Acrylic resins for high solids and waterborne coatings
    • Pressure-sensitive adhesive base polymers
    • Textile binder and nonwoven adhesives
    • Automotive and industrial paints

    4. Microsphere Manufacturing for Syntactic Foam and Lightweight Fillers

    Specialty manufacturers utilize Di-N-Butyl Peroxydicarbonate in polymeric microsphere production, targeting syntactic foams and high-performance lightweight fillers. The initiator triggers the expansion and shell formation of monomer-loaded droplets under strictly managed thermal cycles, yielding hollow beads with engineered size distribution and wall strength for integration into advanced composites and aerospace panels.

    Industry compliance standards

    • ASTM D792 (Density of Plastics by Displacement)
    • ISO 9001:2015 (Comprehensive QC tracking)
    • Aerospace OEM supply chain traceability protocols
    • REACH (Conformant raw materials for composite markets)

    Typical usage ratio

    • 0.08–0.15 wt% relative to monomer or microencapsulant phase; precise loading optimized by viscosity profile and bead wall thickness targets

    Downstream process integration

    • Added in microencapsulation reactors directly to monomer droplet dispersions; introduced pre-heating to synchronize decomposition and shell polymerization

    Final product types

    • Expandable polymeric microspheres
    • Syntactic foam pellets for buoyancy modules
    • Composite lightweight fillers for automotive and aerospace applications
    • Thermoplastic masterbatches containing hollow sphere additives

    5. Production of Impact-Modified Vinyl Copolymers (e.g., MBS, ABS)

    Producers of impact-modified copolymers such as methyl methacrylate-butadiene-styrene (MBS) and acrylonitrile-butadiene-styrene (ABS) select this organic peroxide for pre-polymerization of rubbery phases. The finely tuned initiation kinetics support high-grain grafting efficiency and provide the matrix for subsequent grafting reactions, impacting polymer phase morphology and the downstream performance in impact-resistant plastics.

    Industry compliance standards

    • JIS K 7206 (Testing Methods for Acrylic Resins in Japan)
    • ASTM D4673 (Acrylonitrile–Butadiene–Styrene Molding and Extrusion Materials)
    • RoHS Directive for electrical and electronic applications
    • ISO 13485 (Plastics for medical applications, when relevant)

    Typical usage ratio

    • 0.06–0.13 parts per 100 parts monomer (rubber component basis); adjusted for rubber phase content and impact strength requirements

    Downstream process integration

    • Introduced into pre-polymerized rubber phase reactors ahead of successive grafting; dosage and rate tailored to particle nucleation and rubber crosslinking requirements

    Final product types

    • MBS impact modifiers for PVC blending
    • ABS polymer for housings, automotive interiors, and electrical enclosures
    • High-impact polystyrene modifiers
    • Specialty resins for medical and electronic applications
    Free Quote

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    Certification & Compliance
    More Introduction

    Getting to Know Di-N-Butyl Peroxydicarbonate (Type B Diluent)

    What We Make and What Makes it Different

    We produce Di-N-Butyl Peroxydicarbonate – a liquid organic peroxide delivered with a Type B diluent. With content ranging from 27% to just under 52% active peroxide, and a minimum of 48% stabilizing diluent, this product bridges reliability and practical safety on the industrial floor. Over the years, we’ve watched product requirements shift for customers looking to balance fast, predictable polymerization with manageable storage and handling pressures. Those customer conversations, along with our own process optimization, have shaped how we refine, dilute, and control quality across every batch.

    Our team has worked through the challenges that come with maintaining peroxide stability and activity across long shipments. The diluent ratio plays a major part. Too little, and safety margins shrink; too much, and reaction rates drop, causing interruptions downstream. In this range, polymer and PVC producers find solid ground for efficient processing thanks to predictable initiator performance. By adjusting the content window, we keep workplace safety features consistent from the first drum to the last.

    Why the Content Range Matters

    There is a practical reality in peroxide selection: higher active content supports faster processing but demands stricter control over temperature, transport, and storage. In our operations, we see the complexities across climates and facility layouts. By targeting 27% to 52% active, we let buyers balance throughput and inventory risk. Lower concentrations might offer a bit more handling leeway, but at this window, facilities rarely face bottlenecks tied to reactivity or slowdowns in polymerization.

    From decades of hands-on production, we know stabilizer quality and homogeneity mean less downtime. When peroxide purity or dilution drifts, batch consistency suffers. Our product’s tight content range means critical polymer chain reactions proceed evenly. Thus, producers avoid incomplete conversion, costly scrap, and unnecessary ingredient waste—a chain of savings impossible to ignore.

    Inside the Plant: The Details of Our Formulation

    Stability tests are a daily affair. If the active percentage goes above 52%, the risk for runaway reactions rises and alarms ring fast. Drop below 27% and throughput slows, especially for mid-scale suspension PVC production lines. We use Type B diluent for its proven compatibility and vapor pressure profile. This reduces volatility during barrel transfers and lets staff stick to established temperature control routines.

    Throughout synthesis, precise cooling and inline monitoring track every percentage point. Our batch reactors pick up any small deviations. Long before a shipment leaves the gate, real sampling—not just paperwork—confirms each drum meets the mark. Staff who have worked these process controls for years catch oddities by sense and by meter, stopping problems before they reach the customer dock.

    Producing Di-N-Butyl Peroxydicarbonate isn’t just chemistry; it’s logistics and uptime. With margin-tight business, small surprises lead to big delays and line stoppages. We’ve seen how even minor changes in peroxydicarbonate concentration ripple down to week-long rework jobs, which no one wants on their plant calendar.

    Applications: How Customers Use What We Make

    The main application for Di-N-Butyl Peroxydicarbonate in this form is as a polymerization initiator, most notably in PVC and copolymer processes. Our long partnerships in this area let us see daily how formulation matters. Customers say uniform bead size and color rely on a stable peroxide feed. Subtle variation in initiator quality affects everything from downstream compounding to extrusion rates. These aren’t topics straight from the sales pitch—our phone line picks up the reality in real time.

    It’s common to discuss impact on costs. An underperforming initiator hits the bottom line not just through unconverted monomer but in harder hours for millwrights and operators trying to dial in line speeds. Customers with higher output schedules point to downtime reduction as a reason for sticking with this composition. When environmental controls and regulatory audits hit, the ability to document stable, well-characterized peroxide usage becomes a non-negotiable. We keep our process traceable and our lot records accessible.

    Comparing Type B to the Alternatives

    Anyone who’s worked in a peroxide plant or a volume polymerization shop knows initiator differences matter more than they look on a spreadsheet. There are alternatives: Type A, Type B, and other diluent grades crowd the market. Our experience with Type B comes from hundreds of test runs and customer feedback. Where Type A sometimes swings toward higher volatility, Type B steadies temperature management routines.

    Some competitors cut corners, using less refined solvents or running lean on dilution to boost “activity numbers.” That habit can push transport teams into risk territory. Over the years, we’ve learned that true process control—daily sampling, real-time tracking, batch rejection when needed—delivers fewer batch dumps, stronger customer trust, and safer plant environments. Type B formulation at the 27-52% range keeps the material safely within international transport regulations, slashing insurance and compliance headaches. We calibrate every tank and every pipe for these physics.

    Quality and Safety: What Goes Into Every Drum

    No one argues about the hazards of organic peroxides. Every shift, our crews treat the product not just as inventory, but as a living system needing constant monitoring. Pressure and temperature discipline, thorough grounding of equipment, and secondary containment aren’t optional. We’ve built continuous improvement plans from hard-won lessons. Overdiluting sacrifices productivity and customer trust; pushing active content too high gambles with safety and shelf life. It’s a discipline, not just a statement in a manual.

    Our installations invest in fail-safes: temperature alarms, redundant containment, and electronic logs reviewed by seasoned operators, not just automated scripts. We’ve seen line operators catch anomalies a software alert missed. That’s why we encourage hands-on training and in-line authority. Ultimately, customer safety rides on every step of care we add upstream.

    Real-World Logistics and Storage

    Transport regulations for organic peroxides don’t allow for flexibility. We keep close contact with transport partners, providing everything they need to move these loads safely and on time. This isn’t a box-checking exercise—delays and damaged goods mean rework and cost for everyone. We track transit temperatures by route, making recommendations on shipment timing to keep products within specification upon arrival, especially during seasonal extremes.

    On the customer site, storage layout matters. Our teams have stood beside crews building new initiator rooms, helping advise on thermal isolation, partitioning, and emergency ventilation. No two facilities are alike, and sometimes last-minute changes mean quick thinking to avoid code violations or insurance pushback. Over time, a reliable producer-customer relationship means teams spend less time firefighting and more time making product.

    Environmental Systems and Waste Minimization

    Modern operations demand stricter controls and real documentation. With more eyes on water management and emissions, the old days of shortcut disposal have ended. In our facilities, we run closed-loop cleaning and solvent recycling to minimize emission and effluent loads. Purge solvents and wash waters are recovered and processed internally.

    As part of long-term supply agreements, we support partners with practical options for peroxide and container disposal, working with their local regulatory context. Large waste charges and government audits mean everyone needs a plan from day one. By keeping diluent and active content windows tight, we lower the risk of leftover, out-of-spec product—meaning less waste to account for.

    Traceability and Analytical Support

    For every batch, we keep data tracks that customers can access upon request. That’s not just recordkeeping—those certificates of analysis mean less time wasted in troubleshooting if a batch goes off pace. Our in-house laboratory staff has seen firsthand how minor impurity drifts can knock timing off in an emulsion run. Sharing robust, honest data provides one less unknown to control for. Advanced GC and HPLC tools, maintained and calibrated by the same team that runs our process analytics, spot-check every critical spec. Compared to third-party intermediaries, we bring direct knowledge: if an oddity appears, our chemists know whether it’s a process blip or a hardware quirk.

    Troubleshooting and Customer Support

    Plant reality rarely fits planned schedules. Shipments might be delayed, or weather throws a wrench in inventory flows. Through years of hands-on work with both small and very large users, we offer real support when things go sideways. Sometimes that means a rush batch, sometimes a phone-line discussion to talk settings through until troubleshooting is clear.

    We keep technical staff available who know both our own process and the practical realities of customer plants. Rather than outsourcing support, our crew has walked the troubleshooting lines and seen what troubles show up on the shop floor. Working through initiator dosing, mixing sequence, or emergency dilution plays, we’ve often helped customers dodge emergencies before they mushroom. Sharing our experience through live support and transparent process documentation makes everybody’s job less stressful.

    Continuous Development and Future Planning

    Developments in polymer and PVC processes keep pushing us to improve. Stringent regulations and customer demand for ever-higher throughput set the pace for product innovations. Tightening process windows and optimizing for cleaner, greener output—these are goals that have real financial pressure on both ends of the supply chain. We constantly review upstream raw material sourcing, process energy consumption, and packaging systems for improvement.

    We’ve moved to more robust, recyclable containers and regularly update our plant utilities to minimize emissions. Employees are trained not just in basic operation and safety, but in reporting and continuous improvement. Sharing what we learn across teams, from batch operators to QC chemists to logistics planners, means no problem or solution ever gets siloed.

    Feedback from users shaping their own process recipes makes a direct impact on formulation cycles. Regular, peer-level meetings with process engineers and plant supervisors at customer sites keep us ahead of changing needs. As industry requirements for peroxides shift, our design and rollout cycles stay fast and responsive.

    Why Our Approach Fits Demanding Operations

    Decades on the shop floor have taught us that what matters most isn’t flashy statistics—but reliability and transparency. Whether a customer runs a single PVC train or a set of lines pushing out millions of kilos, the demands are the same—no interruptions, no surprises, no wasted time chasing down root causes.

    By producing Di-N-Butyl Peroxydicarbonate in its Type B diluted form, tuned precisely between 27% and 52% content, we provide a product that slots smoothly into critical manufacturing streams. It’s the outcome of years of attention to detail, ongoing process improvements, and a philosophy that honors real-world complexity over generic solutions. It’s a partnership approach: you get a product anchored in deep technical know-how, direct access to decision-makers, and eyes wide open to every link in the supply chain.

    Looking Forward

    The global chemical industry stands on constant alert for new challenges. Energy costs, workforce shifts, climate impacts, and evolving legislation all shape how we operate. Our commitment remains: make what we know best, keep processes transparent both in-house and down the line, and revise our practices as customer needs and regulations change. That’s the core of how we make a difference—direct production, hands-on relationships, and the willingness to share what works and what doesn’t.

    For operations that depend on consistent, high-grade initiators, these are not abstract values. They’re the foundation of uninterrupted production, safety for every person on site, and profitability that lasts. By sticking to quality, supporting customers directly, and refusing to chase shortcuts, we carve a path forward in a field that rewards only doing things right—every day, every shift, every drum.