molecular formula : pb(ooch35c17)2 property: white powder, specific gravity 1.323,not dissolved in water, dissolving point 105 ¡«112¡æ,dissolved in hot ethanol and aether. specification : testing items excellent grade 1 free acid(accounted as stearic acid),%¡ü 0.8 1.0 melting point,¡æ 103 ¡« 110 100-110 lead content, % 27.5 ¡à0.5 27.5 ¡à1.0 heating loss,% ¡ü 0.3 1.0 fineness (mesh of 0.075mm) %¡ý 99.0 98.0 usage : it is mainly used in various opaque soft and rigid pvc, such as rigid tube, rigid sheet, thin sheet, film, leatheroid, wire and cable etc., it also used as thickener of lubricating fat and flatting agent of paint. package: plastic bag, lined with pe bag, 20kg weight.