Lead Stabilizers

Heat Stabilizers based on lead salts and soaps offer exceptional long term heat stability. These heat stabilizers are considered as one of the most cost-effective form of stabilizers for PVC. PVC compounds when stabilized with lead heat stabilizers show excellent heat and light stability, exceptional mechanical and electrical properties and display a wider processing range. Apart from these benefits, lead heat stabilizers have some limitations associated with them as well. Lead stabilizers when used in PVC windows lead to their discoloration. 

Leads offer the best electrical properties mainly due to the insolubility of lead chlorides formed during stabilization. Currently lead is under pressure for possible replacement by special mixed metal systems, in secondary and decorative wire insulation. However, primary insulation is still best stabilized by lead.


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