4,4’-bis(3,4’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluorescence with bluish color shade and an excellent fastness to sublimation. It is... view more

Optical Brightening Agent OB by Zhejiang Hongda Chemicals acts as an optical brightening agent. It gives an appearance of slight yellow or milk white powder and is mainly used in whitening of thermoplastic, polyvinyl chloride (PVC)... view more

Optical Brightening Agent OB-1 by Zhejiang Hongda Chemicals acts as an optical brightening agent. It gives an appearance of greenish yellow powder and is mainly used in whitening of polyester, as well in the whitening of nylon during... view more

4,4’-bis(2,3’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluorescence with bluish color shade and an excellent fastness to sublimation. It is... view more

Optical Brightening Agent OP by Zhejiang Hongda Chemicals is 4,4’-bis(2,4’-cyano-phenlene)-benzene. Acts as an optical brightening agent for polyester fiber. It shows strong fluorescence with bluish color shade and an excellent... view more

Organic acid salt of calcium/zinc. Acts as a stabilizer. Offers great static and dynamic thermal stability. Is combined with light stability and sulphur vapor ability. Has well dispersivity, high... view more

Calcium/zinc complex stabilizer. Possesses well ability of resistance to elements and well compatibility of precipitated calcium carbonate without becoming red as well as yellow. Has great... view more

Calcium/zinc complex stabilizer. Possesses great static and dynamic thermal stability. Has good resistance to elements, well processability with lubrication function and great synergistic effect... view more

Calcium/zinc complex stabilizer. Possesses great static and dynamic thermal stability. Has good resistance to elements, low volatility and great synergistic effect with epoxy soybean oil. Is free of... view more

Aluminum Distearate by Zhejiang Shengzhou Wanshida Chemicals acts as a lubricant, slipping agent, heat-stabilizer, mold releasing agent and accelerant... view more

Aluminum hydroxide by Zhejiang Shengzhou Wanshida Chemicals acts as an inorganic environmental-friendly type flame retardant. It is applied in hot solid plastic and hot plastic... view more

Diantimony trioxide. Used in flame retarding of plastic products, such as, PVC, PP, PE, PS, ABS, PU, etc. Also acts as bulking agent in rubber industies, such as, conveyer belt, cable and so on... view more

Dibastic lead phosphite. Possesses weatherability, thermal stability, excellent electrical properties, such as geo-and anti-oxidation as well as UV-shielding performance... view more

Acrylic acid. Acts as a processing aid. Promotes the material melt body intensity, increases the product varnish, and improves the outdoor ageing. Possesses good performance of weather resistance... view more