Inorganic Dibasic Lead Phthalate Chemical is a good heat stabilizer particularly at high temperatures and is effective as a light stabilizer. The Chemical ensures long-term protection on phthalate plasticized PVC compound which is to be subjected to ageing at elevated temperatures, due to its low reactivity with plasticisers, particularly the polyester type. The Inorganic Dibasic Lead Phthalate Chemical has appearance of soft creamy powder.