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The professional factory of SBM in china,stable quality of SBM in china.low price SBM' in china. Appearance:white,light yellow powder. Melting point 56 DC min. Content:75% min.loss on drying 0.2% max at 120dc .Ash 0.2%max.It is one new auxiliary heat stabilizer and non-toxic.it is high translucent and tasteless.It is used with solid or liquid calcium carbonate/calcium zinc/calcium zinc heat stabilizers.it can improve the innitial tinctorial effect ability,transparency,long term stability for pvc.