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China, Chinese 1533-45-5 Special Ob-1 for Plastic PVC Fluorescent Whitening Agent Injection Molding Extrusion Process White Brightening Agent1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Auxiliary CatalystPlastic Auxiliary AgentFluorescent BrightenerWhitener
Zaoyang Junchuang Rubber&Plastic Co., Ltd
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Product Description Fluorescent brightener is a distyrene-bisbenzimidazole compound with the chemical formula C29H20N2O2 and CAS number 5242-49-9. It appears as bright yellow or yellowish green crystalline powder, with a melting point of 269-271oC and a density of 1.26g/cm3. It is insoluble in water but soluble in high-boiling-point organic solvents such as trichlorobenzene. This substance exhibits a whitening effect superior to OB-1 in synthetic materials such as polyester fibers, plastic products (such as PET, PC, ABS, PVC), and polyamide. It features good compatibility and low dosage (0.01-0.05% addition amount)Product ParametersTest itemTechnical SpecificationAppearancepowderContent≥98%Melting point350oC-361oCcoloured light Bright red and blueProduct Application1.Fiber Whitening: Effective for synthetic fibers including polyester (PET), nylon (PA), and polypropylene (PP) fibers.2.Plastic Brightening: Suitable for whitening and brightening polypropylene (PP), ABS, EVA, polystyrene (PS), and polycarbonate (PC) plastics.3.Polymer Additive: Compatible with conventional polymerization processes for polyester and nylon.Usage instructionsMix the fluorescent brightener at a rate equivalent to 0.01-0.05% of the weight of the plastic or polyester pellets thoroughly and evenly with the material before various plastic molding processes or polyester fiber drawing.
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