Some of the major role of PVC stabilizer of some

PVC stabilizer is there are many, and see what kind of material you more specific selection. Common are lead salt stabilizer, such stabilizers because of environmental problems have been gradually withdrawing from the international market, but there are some  WSD Titanium dioxide rutile domestic manufacturers use when doing no material environmental requirements; metal soap stabilizers, mainly stearic salt, is generally not used alone, often between the metal soaps with each other or with lead salt stabilizer, etc. and use; composite stabilizer, contains more species, zinc composite stabilizer barium, calcium, zinc composite stabilizer, lead salt composite stabilizer, but it should be noted that the lead salt composite stabilizer is the use of technical means to solve some of the small lead salts powder easily float resulting inhalation toxicity problems in the processing of the dispersion there is a certain improvement, but with the ordinary The lead salt stabilizer, like it or not environmentally friendly; organometallic compounds, such as organic tin, antimony organic stabilizers are used in transparent PVC products; organic stabilizers, such stabilizers in the country rarely used; rare earth stabilizer. These are the ingredients from the stabilizer to classify, but it can also be classified as a powder and a liquid, transparent and opaque, not one described here. I hope my answer can bring you some help. A plastic heat stabilizer by type heat stabilizers are a class of polymers can prevent or reduce the heat in the course of processing and degradation or cross-linking additives to extend the life of the composite material. Usual stabilizers can be divided into categories according to the main component of salt, fatty acid soaps, organotin compounds, heat stabilizers, and the pure compound classes of organic compounds.
 1) Heat stabilizer salt: salt stabilizer is the combination of the "base" of lead salts of inorganic and WSD stearic acid  organic acids, such stabilizer having excellent heat resistance, weather resistance and electrical insulating properties, low cost transparency is poor, there is a certain toxicity, dosage is generally 0.5% to 5.0%. (Source Global polyurethane network) 2) a fatty acid based heat stabilizer: Such a thermal stabilizer is a compound of a fatty acid composition of roots and metal ions, also called metal soap heat stabilizers, acid groups, and its performance and the kind of metal ions , generally the amount of 0.1% to 3.0%. 3) organotin heat stabilizers: class PVC heat stabilizer molecule with chlorine atoms to form unstable ligand and the ligand organotin carboxylate group and a chlorine atom unstable replacement. Features such heat stabilizers are high stability, good transparency, heat resistance, the downside is expensive. 4) Composite type heat stabilizer: Such a thermal stabilizer is a metal salt or soap as  WSD Azodicarbonamide a kind of liquid or solid based compound and an organic tin-based compound, wherein the metal salts are calcium - magnesium - zinc, barium - calcium - zinc, barium - zinc and barium - cadmium; common organic acids such as organic acids, naphthenic acid, oleic acid, benzoic acid and salicylic acid.