hongyiwhitener
Plastic whitener Optical brightener OB
www.hongyi-chem.com/product/plastic-industry/
Optical brightener OB (C.I.: 184 CAS NO: 7128-64-5) is an efficient and popular whitening agent for plastics and synthetic fibers. It occurs as a milky white or light yellow crystalline powder. It can be added to monomers or prepolymers during the production of plastics and synthetic fibers or used as powder or granules (masterbatch) before or during molding.
Plastic whitener Optical brightener OB
www.hongyi-chem.com/product/plastic-industry/
Optical brightener OB (C.I.: 184 CAS NO: 7128-64-5) is an efficient and popular whitening agent for plastics and synthetic fibers. It occurs as a milky white or light yellow crystalline powder. It can be added to monomers or prepolymers during the production of plastics and synthetic fibers or used as powder or granules (masterbatch) before or during molding.