PPR PP LTHA antioxidant and heat-stabilizer Masterbatches improves the Long Term Heat Ageing properties of polymers against oxidative influences and protects pipes, sheets and injection moulded PP parts against thermo-oxidative degradation. They're used especially where polymers have to act at elevated temperatures for long times like in PP-R pipes & automotive applications. Addkan LTHA additive Masterbatches are based on a combination of highly advanced anti-oxidants. On combination of Addkan LTHA Master batch with Addkan UV Master batch, will enhance the life of PP-R Pipes & Plastic articles having these additives.