Lead stabilizer LS-25 is a high efficiency and multifunctional high technology product. It is widely applied in PVC foaming board, profiles, pipe, pipe fitting, WPC, foamed sheet and other PVC plastic products.
It has very good dispersibility and compatibility in PVC system. And it has good thermal stability, good rheological performance, wide range for processing, long period for mold cleaning,etc.
1. Keep the original formula unchanged. The recommended dosage is 3-5 PHR.
2. Adding Lead stabilizer LS-25 together with the PVC resin and other additives into the high-speed mixer.
3. Keep the temperature about 120-125 ℃ for 8 ~ 10minutes.
4. Cooling down the mixed material to normal temperature.
5. Move into extruders and start extrusion process.