System control is the key to ensure the long-term stability of pvc profile quality. It includes four items: “formulation quality, process quality, appearance quality, physical and chemical indicators”. The first two are the premise and basis of the latter two, and also the quality control and techni... read more
Mixing ingredients is an important part of the production of PVC profiles. The mixing process is not only the mechanical mixing between the components, but also the process of friction and collision between the components, and the materials are continuously heated and gradually gelled. Therefore, th... read more
PVC (Polyvinyl Chloride) Chemical and Physical Properties Rigid PVC is one of the most widely used plastic materials. PVC material is a non-crystalline material. PVC materials are often added with stabilizers, lubricants, auxiliary processing agents, colorants, impact agents and other additives in a... read more
China's plastic profile heat stabilizer system mainly includes lead salt, organotin, calcium zinc and its composite stabilizer. Lead salt stabilizer is the most widely used stabilizer in the production of plastic doors and windows in China. It has the advantages of low price and good stability. Howe... read more
Organotin is one of the main heat stabilizers in PVC processing and the best performance. It has been applied for 60 years in the world and has developed rapidly in foreign countries, especially in North America. It is mainly made of organotin as a lead stabilizer. Alternative products, their domest... read more
