|
HS Code |
504316 |
| Name | Gamboge |
| Color | yellow |
| Origin | tree resin |
| Chemical Composition | mainly gambogic acid |
| Natural Source | Garcinia species trees |
| Form | solid, tears or sticks |
| Solubility | insoluble in water, soluble in alcohol |
| Uses | pigment, coloring agent |
| Toxicity | toxic if ingested |
| Historical Use | traditional watercolor pigment |
| Appearance | bright yellow to deep orange |
| Odor | slight, resinous |
| Lightfastness | poor |
| Region Of Origin | Southeast Asia |
| Alternative Names | Camboge, gum gamboge |
As an accredited Gamboge factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Gamboge is packaged in a 500g sealed amber glass bottle, labeled with hazard warnings, product details, and manufacturer information. |
| Shipping | Gamboge should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Transport in accordance with local, national, and international chemical regulations, clearly labeling packages as containing a potentially toxic substance. Ensure containers are upright and secure to prevent leaks or spills. Avoid exposure to strong oxidizers during shipping. |
| Storage | Gamboge should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep it separated from incompatible materials such as strong oxidizers. Ensure the storage area is clearly labeled and equipped to handle spills. Proper storage helps maintain Gamboge’s stability and prevents degradation or accidental exposure. |
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Purity 98%: Gamboge with 98% purity is used in fine art pigment formulation, where superior color intensity and lightfastness are achieved. Particle size 2 microns: Gamboge with 2 micron particle size is used in water-based paint production, where it enhances smooth dispersibility and uniform color distribution. Melting point 90°C: Gamboge with a melting point of 90°C is used in encaustic painting mediums, where it allows stable blending and application at moderate temperatures. Viscosity grade 120 cP: Gamboge with viscosity grade 120 cP is used in high-viscosity ink systems, where it provides excellent flow control and precision. Stability temperature 60°C: Gamboge with a stability temperature of 60°C is used in textile dyeing processes, where it ensures consistent hue retention during thermal fixation. Moisture content <1%: Gamboge with moisture content below 1% is used in cosmetic formulation, where it improves product shelf life and prevents microbial growth. Solubility 5 mg/mL: Gamboge with solubility of 5 mg/mL in ethanol is used in natural resin varnish applications, where it enables clear film formation and gloss enhancement. Ash content <0.5%: Gamboge with ash content under 0.5% is used in pharmaceutical coating solutions, where it minimizes residue and ensures purity of the final dosage form. Absorption wavelength 410 nm: Gamboge with absorption wavelength of 410 nm is used in colorimetric assay kits, where it provides accurate detection and quantification. Refractive index 1.62: Gamboge with a refractive index of 1.62 is used in optical filter manufacturing, where it delivers precise light wavelength separation and clarity. |
Competitive Gamboge prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
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Gamboge stands out as a pigment with deep roots in both history and manufacturing. In our facility, we start with raw resin tapped from Garcinia trees grown in established plantations. Generations have used Gamboge for its unique golden yellow, drawn from the sap without adding foreign chemicals. Our batches of Gamboge go through a careful process that keeps the product true to its botanical origins.
We do not cut corners by blending in synthetic dyes or extenders. The pigment people recognize in traditional artworks and lacquerware comes from pure trees, and we keep it that way. The golden hue in every lot brings the consistency demanded by artists, paper makers, and specialty manufacturers. Differences show even in the raw gum’s fragrance and transparency—attributes that set authentic Gamboge apart from synthetic “imitation” pigments sold across global commodity markets.
After the trees are tapped, resin streams out over a period of weeks. Our team manages every step on-site, drying the gum naturally before transferring it to our finishing plant. Each lot runs through a refining process where we remove debris and re-melt the gum so impurities drop out. The result? A dense block of pigment, ready for grading and ground down or delivered as large solid cakes. No solvents touch the material, so end-users avoid uncertain compatibility when formulating natural products.
Gamboge ships in blocks weighing about 1 to 3 kilograms, dense and glassy, fractured with a snap when struck. Anyone who handles natural resins will notice Gamboge does not powder as easily as synthetic options; grinders must break it down in stages to avoid waste and overheating. The pigment dissolves easily in alcohol and produces an intense yellow solution, but reacts differently in water, where settling occurs over time. Our batches maintain a minimum color index required by textile and paint industries, based on test results from independent labs. Melting point sits reliably above 90°C, setting it apart from resins that soften at room temperature.
Artisans have relied on Gamboge in traditional watercolors and printing inks because the pigment mixes well with natural binders and shows a unique fluorescence under sunlight. We supply volume to niche workshops committed to using heritage materials for restoration. Our production supports conservationists who need the genuine pigment to match artworks hundreds of years old.
In paper marbling, real Gamboge brings unmistakable clarity to patterns, never dull or muddy. For lacquerware, this pigment resists chemical chalking found with cheaper substitutes, and the finished surface keeps a golden sheen for years. Modern paint producers also use Gamboge when they seek non-toxic yellows for children’s products, and our records support safety certifications in diverse markets.
As the maker, we see the difference in process—synthetic Gamboge analogs come from chemical reactions with petroleum derivatives. Price might draw in a buyer, but shelf life, lightfastness, and reaction with binders tell another story. The synthetic varieties look similar in a tin, but over months in storage, subtle changes appear. Natural Gamboge has a distinct scent, doesn’t bleed through paper, and preserves the warmth that finishes so many heirloom pieces. Painters using real Gamboge rarely complain about brittleness, and our technical support backs up those field reports year after year.
Purity levels turn out to be more than a simple lab measure—they shape performance in your workshop. Over decades, we have found trace contaminants hurt pigment behavior, so we sort and refine gum before grinding. Finer grades suit ink makers who demand smooth dispersal, while larger chunks perform well for industries needing slow-release properties, such as incense or resin-based coatings. Real-world applications guide our size offerings—nothing leaves the plant without meeting our internal testing on color strength and melt characteristics.
Global discussion about natural versus synthetic colors grows each year. Our operation uses no hazardous chemicals or heavy metals, so waste streams remain minimal and environmental risks stay low. We work closely with plantation owners to ensure trees recover after tapping—most continue to yield resin decades after the first incision. Regulatory filings favor Gamboge for its plant-based origin, and annual audits confirm we do not rely on endangered species or forests.
Increasingly, food producers ask about Gamboge for specialty coloring, but we only supply industrial and artist markets. Our batches meet the chemical composition and purity standards asked for by toy and paint sectors, without the formaldehyde catch found in many low-end yellows.
Every season brings new questions on stock availability and price, tied closely to the growing cycles of Garcinia trees. Resin harvesting depends on careful timing, and unpredictable rains or changes in land use can shrink yields, raising costs. We respond by keeping long-term supply relationships, collecting years of data on each grove. That familiarity with our own supply chain helps us keep quality steady, even as external pressures mount. No resins are ever imported or relabeled.
Experienced users notice variation between production years. This happens with all botanical products—trees tapped at a certain age or after a specific amount of rainfall yield pigment with minor differences in hue and texture. Our sorting lines deal with these changes, and we blend or batch accordingly to keep the standard color profile as close as possible season to season.
Workshops using our Gamboge return with hands-on feedback. Artists show how the pigment responds to their binders, and paper manufacturers report on performance during long runs. Batches that meet or exceed expectations become the basis for next year’s production, while problem lots—rare as they are—lead to new sorting or drying protocols. We include field data in our regular quality meetings, not just test tube results.
We do not sell to traders with opaque supply lines. Every shipment goes directly from our plant to end users or a trusted local partner. This way we minimize substitution risk and keep counterfeit products out of our customers’ hands. We believe in face-to-face technical support, whether by video or, when possible, on site.
Even as old forests give way to new plantations, we have managed genetic diversity in our source trees to guard against disease or yield loss. Our propagation efforts are tracked using field surveys, and our staff make regular rounds to inspect health and growth. Processing equipment has changed—modern grinders and screens have replaced hand tools—but the handling philosophy remains grounded in respect for the material’s origin. Years ago, cracking cakes and loading kilns by hand made daily work slow, but it taught us the value of seeing, smelling, and feeling each batch as much as measuring it.
Challenges persist. Modern production targets mean we schedule harvest carefully to avoid over-tapping, and we audit all supply by block and year. Shipping finished Gamboge in robust packaging, with batch records attached, cuts down on contamination risk. We do not reprocess failed lots or blend with outside materials to pad volume. Each year we review environmental impacts and update practices to keep soil and tree health a key priority.
Small holders and buyers sometimes push for single-use certifications or claim compliance on paper, but long experience shows that only a relationship with growers delivers real trust. Our people live in the supply regions and know the age, yield, and condition of each batch of trees. Documentation follows each shipment from forest to plant and then out to users, closing gaps that other supply chains often leave open. This kind of transparency gives public and private sector buyers confidence that the pigment in their products matches what they ordered—real, unadulterated Gamboge.
Calls for “natural” and “authentic” colorants have become louder across nearly every industry, but traditional expertise sets the real standard. New buyers sometimes ask for ultra-fine or custom-milled pigments, and we accommodate such requests by adjusting production protocols in the plant, not by outsourcing to third parties. Analytical testing confirms pigment composition, but generations of hands-on handling have taught us which resin grades will excel in which context.
Trends often bring calls for faster curing, brighter color, or powder form for quick mixing. We work step by step to improve process safety and output quality without sacrificing the properties that make Gamboge unique. Energy use, packaging waste, and emissions are tracked and controlled at every phase.
Providing consistent Gamboge begins with the land. We invest in soil health and monitor water resources, teaching partner farmers about spacing and timing of new tree plantings. Collective action across plantations pays off in stable yields, disease control, and predictability in resin flow. Stable supply enables us to lock in pricing and maintain relationships with artists, restoration teams, and industrial users who depend on our material not for a season, but for each year’s work.
There’s pressure from global commodity trends, as synthetic and imitation pigments undercut price points in many regions. Our work stands in defiance of those trends by providing traceable, plant-based pigment for those who want more than a colorant—they want material rooted in the landscape that carries its origin story in every block and every grind.
Our employees and supply community do not see Gamboge only as a product leaving the gate, but as a connection to regional identity and family traditions in pigment handling. Workshops where users explore new media or application techniques happen each year, and feedback from these experiments reshapes small pieces of our process or product offering.
Listening to end users, not just global buyers, keeps Gamboge fit for both established and emerging techniques. We document and share updates on harvesting, processing innovations, and product applications so the next generation—whether in manufacturing or conservation—inherits both the know-how and the pride of working with a truly natural pigment.
Sustaining the future of Gamboge rests on respect for the tree, the land, and the skills passed down through our team. Our job as manufacturer is not only to supply pigment but to support those who give value to every pound produced. Decades of refining our process make it possible to deliver Gamboge that meets modern demands while staying true to centuries-old methods. Users who care about the real origin of their materials find in our Gamboge a product backed by generations of knowledge and direct effort—a pigment that stands as much for its story as its color.