توشته شده توسط Fatemeh Rajabi ? Does the final product have sanitary or medical applications or come into contact with food items ?Does the final product need to be glass or transparent ?Will the final product be exposed to direct sunlight and outdoor environment ? Does the final product need to be completely odorless ? What is the processing time and temperature for the product ? What is your production method
توشته شده توسط Fatemeh Rajabi :Calcium – zinc stabilizers .Metal soaps are a type of heat stabilizers for PVC that are composed of a mixture of at least two metals, with one metal responsible for color preservation in the initial processing stages and the other metal responsible for long-term heat stability, such as calcium-zinc (Zn) stabilizers, which have been widely used in PVC applications for over 25 years. These materials are generally based on metal carboxylates and sometimes incorporate other
توشته شده توسط Fatemeh Rajabi Tin Base Stabilizer PVC compounds usually have limited heat resistance. To bolster this resistance, tin base stabilizers are employed to counteract PVC degradation caused by heat during processing. Among the most effective stabilizers for enhancing PVC’s heat resistance are those based on tin. Tin-based compounds can be classified into two categories :Mercaptides and Carboxylates . Mercaptide-type stabilizers of tin are suitable for rigid PVC packaging with a PVC coating: These include MTM (Methyl Tin Mercaptide)
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