High-Quality Gum Rosin with Bright Yellow Grade One Rosin¹

Product DescriptionProduct DescriptionGum rosinGum rosin is a natural resin extracted from pine tree sap, known for its eco-friendly, non-toxic, and biodegradable properties. This light yellow to transparent solid substance emits a faint pine scent, with a density ranging from 1.07-1.09g/cm3 and a softening point of 70-85oC. With a acid value of approximately 150-180mg KOH/g, it exhibits excellent solubility in organic solvents like ethanol and acetone but is insoluble in water.Detailed PhotosProduct ParametersPropertySpecificationTest Method/ReferenceBasic InformationProduct NamePremium Grade Masson Pine Rosin-CAS No.8050-09-7CAS DatabaseEPA RegistryRosin (8050-09-7)EPA Substance Registry SystemPhysical PropertiesAppearanceDark yellow transparent solidVisual inspectionFormSolid lumps or granules-ColorDark yellowVisual comparisonMelting Point70-72°CASTM D87Density1.07 g/cm3ASTM D792Specific Gravity1.07-1.08ASTM D792Flash Point180°CASTM D93Chemical PropertiesSolubilitySoluble in alcohol, benzene, etherUSP <611>Water SolubilityInsoluble in waterUSP <611>Acid Value~166 mg KOH/g (typical)ASTM D465ApplicationGum rosin is valued for its outstanding adhesive and insulating properties, making it widely used in various industrial sectors. In the electronics industry, it serves as a high-quality soldering flux material to enhance PCB soldering quality. In adhesive manufacturing, it is a key ingredient in pressure-sensitive adhesives and hot melt adhesives. In instrument maintenance, professional violin rosin can improve string friction and enhance sound performance. Additionally, gum rosin is in personal care products as a soap additive, and in the rubber industry as an elastic enhancer.Packaging & ShippingPackaging Details:Custom Packaging Options:Tailored packaging options are available to satisfy your unique demands, featuring a variety of sizes and container types for diverse applications.Our AdvantagesAbout UsWe are a chemical trading company with our own factory, specializing in industrial, agricultural, and food-grade raw materials. With over 100 employees and ISO 9001, 14001, and 45001 certifications, we ensure high-quality production and strict compliance. Our products meet international standards, including CE, and serve a wide range of industries worldwide.Our StrengthsFactory-backed supply: Full control over production for consistent quality and competitive pricing.Diverse product range: Industrial chemicals, agricultural additives, and food-grade ingredients.Certified & reliable: ISO triple-certified, CE-marked, and compliant with global regulations.FAQQ1: Are you a manufacturer or a trader?We are a seamlessly integrated industrial and trading company, offering the best of both worlds.Q2: Do you have a stable production facility?Absolutely! We take pride in our expansive 2,000+ sqm factory, ensuring a consistent supply of superior products.Q3: Where do you ship from, and how long is the lead time?Our shipments are dispatched from Tianjin Port, China, with a lead time of 7-15 days post-deposit (sample orders are accelerated to 3-5 days).Q4: Do you offer free samples?Yes! We offer complimentary samples, although the freight is the buyer's responsibility. Custom formulations incur a nominal fee. Q5: What are your payment terms?We accept L/C, T/T. Alternative methods can be arranged through discussion.Q6: Do prices drop for bulk orders?Certainly! We provide negotiable pricing based on order volume. Contact us for the most competitive quote as raw material prices may vary. Q7: What kind of documents will we provide to you?We will furnish you with essential documentation, including the Bill of Lading, Commercial Invoice, Packing List, and Certificate of Origin. Armed with these crucial documents, you or your broker can seamlessly complete the customs declaration process on your end. Q8: During shipping, if there is damage to the products, how do you obtain a replacement?During the shipping process, we collaborate closely with our shipping agency to diligently safeguard the integrity of your goods. Should any damage occur, the agency will assume responsibility for the damage. In instances where the issues are not exceedingly severe, we are committed to assisting you and will provide compensation for the damaged parts.

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