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Qingdao, Shandong
PVC stabilizer is one of the indispensable
main auxiliaries in PVC processing. The dosage used in PVC products
is small, but its effect is huge. The use of heat stabilizer in PVC
processing can ensure that PVC is not easy to degrade and
relatively stable. Heat stabilizers commonly used in PVC processing
include basic lead salt stabilizers, metal soap stabilizers,
organotin stabilizers, rare earth stabilizers, epoxy compounds,
etc. The degradation mechanism of PVC is complex, the action
mechanism of different stabilizers is different, and the stability
effect is different.
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The thermal degradation of PVC has a great
influence on the properties of the materials. Adding heat
stabilizer can delay the degradation time of PVC or
reduce the degradation degree of PVC.
The main functions of heat stabilizers are to
replace the unstable chlorine atom, absorb hydrogen chloride, and
react with the unsaturated part to inhibit the degradation of PVC
molecules.
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PVC stabilizer,it can be
classified as basic lead salt, metal soap, organotin, epoxy
compound, phosphite, polyol, etc. According to the action size, PVC
stabilizer can be divided into main stabilizer and auxiliary
stabilizer. The auxiliary stabilizer itself has little or no
thermal stability effect, but it has synergistic effect with the
main stabilizer; the main stabilizer is generally a heat stabilizer
containing metal. However, pure organic compounds such as epoxy
compounds, phosphite esters and polyols are generally used as
auxiliary stabilizers.
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For catalogue, you can contact our
Sales and Marketing Department or you can reach
us.Â
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| Pays: | China |
| N ° de modèle: | - |
| Prix FOB: | Obtenir le dernier prix |
| Localité: | - |
| Prix de commande minimale: | - |
| Commande minimale: | - |
| Packaging Detail: | - |
| Heure de livraison: | - |
| Capacité de Fournir: | - |
| Payment Type: | - |
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