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Comparing with DOP, DOTP (Dioctyl terephthalate) has advantage on temperature resistance, difficult volatilization, extraction resistance, softness and electrical insulation property.  As plasticizer, DOTP shows excellent durability, soapy water resistance and low temperature flexibility in PVC products.  Because of its low volatility, DOTP as plasticizer could meet requirement of temperature-resist grade on wire and cable products, it could be widely used in temperature resistant 70℃ cable material (IEC standard) and other soft PVC products.