98% Pentaerythritol powder 1)high melting point 2)different purity 93%,95%,98 ... Color(Fe,Co,Cu) max1Melting Point,min256°CAppearanceColourless(white)powder Storage:kept in a light-proof,well-colsed,dry and ... TNN works closely with its business partners from Europe, Asia, North America and Africa, TNN Passed ISO 9001 verification in 2006. ... the client from all over the world. 98% Pentaerythritol powder