Dura Chemical Corporation Ltd. Supplies Poly Vinyl Chloride-PVC Heat Stabilizers. Dura Chemical Corporation Ltd. Offers Printing Inks Rheology Modifier [Durastab 36], PVC Heat Stabilizers, Wetting & Dispersing Agents, Zirconium [Drier], Lubricant Additives, etc. The Poly Vinyl Chloride-PVC Heat Stabilizers of model name Durastab include liquid organic complexes of metals such as barium, cadmium, calcium, zinc, lead etc. Organotin compounds and solid lead stabilizers. The Poly Vinyl Chloride-PVC Heat Stabilizers have been designed to give an optimum balance of the above-mentioned properties.