Barium Stearate 1.Barium stearate is uesd asLight heat stabilizers for PVC, 2.Increase in natural rubber flexibility. 1. ... ,%20.0±0.420.0±0.7Free acid (accounted as stearic acid),% ≤0.50.8Melting point, ≥210205Heating loss,% ... stability and lubrication, better than calcium stearate, but poorer than lead stearate. It is better if used together ... tons can be loaded in one container Barium Stearate