... used for PVC heat stabilizer in plastic industry.Characters: white powder, smell sweet, slightly dissoluble in water and dissoluble in nitric ... acid, hot chloric acid, ammonium acetate and sodium acetate solutions, Lost crystallization, melting point is ... Calcium Carbonate52DBP21Zinc Oxide5Antiager A1.0Iron Oxide red10Sulphur1.5TLS2.5 High quality heat stabilizer TBLS Tribasic Lead Sulfate