Nucleating Agent (NP-508) 1.high quality 2.best service 3.good price Nucleating Agent (NP-508)Chemical Name:Sodium2,2'-Methylene bis(4,6-di-tert-butylphenyl)phosphate.CAS No.: 85201-91-2 Appearance: White Powder. Melting Point: >400οC. Volatility: <0.5%Characteristics: Highly effective nucleating agent for polyolefin, capable of raising matrix resin's crystallization temperature, heat distortion ...