1. It is a light stabilizer with good performance, capable of absorbing the UV radiation of240-340 nm wavelength with the characteristics of light color, It can protect the polymer to its maximum extent, helps to reduce the color changing problem.
Adding A-438 when mixing , first mix the plastic raw material even with diffusion agent or white mineral oil, then mix them for 8-10 minutes, after fully mixed, roasted material .then it can be used for extrusion, injection molding or blow molding.
(2) Japanese Food and Toy Packaging STPART3: 2002 standard; (3) EU REACH and PHAS standards; (4) EU ROHSEZT121 standards; (5) EU Toys PHTHALATES (phthalates) standard; (6) EU Toys EN71.3 standards;