New non-toxic auxiliary heat stabilizer of calcium, zinc and rare earth This ... in water.As a new type of PVC auxiliary heat stabilizer, its transmittance is high, non-toxic and tasteless ... with solid or liquid calcium/zinc, barium/zinc and other heat stabilizers, can greatly improve PVC initial coloring, transparency, ... max.Solution in toluene(1g/20ml)clear PVC heat stabilizer dibenzoylmethane(dbm)