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Advanced liquid methyl tin mercaptide stabilizer. Acts as a heat stabilizer for rigid polyvinyl chloride processing of calendaring, extruding and injection. Provides very good retention of initial color together with superior dynamic heat stability, clarity, weatherability and little dosage in the applications. Replaces the high-toxic PVC heat stabilizers in many applications day by day, owing to its high performance and environmental friendly nature. Offers high heat stabilization and very good initial color, good transparency and weatherability. Exhibits high safety, suitability for food package approved by FDA. Used for rigid PVC transparent sheet/plate, PVC film: thermal shrinkable packing film, printing film and calendaring film, PVC pipes and fittings, PVC window and door profiles and PVC granule materials.