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The influence of chlorinated polyethylene (CPE) on PVC pipes

2024-10-14

The impact of chlorinated polyethylene (CPE) on PVC pipes is mainly reflected in the following aspects:
1、 Improving physical and mechanical properties and enhancing impact resistance: CPE, as an Impact Modifier for PVC, can significantly improve the impact strength of PVC pipes. Especially for CPE with a chlorine content of 36% to 38%, it is widely used as an impact modifier for PVC due to its good elasticity and compatibility with PVC. As the amount of CPE added increases, the impact strength of PVC pipes will also increase. However, it should be noted that when the amount of CPE added exceeds a certain range, the increase in impact strength will decrease. Therefore, as an impact resistant agent, the appropriate amount of CPE added is 8-10 parts. Improving tensile strength and tear strength: The addition of CPE can also enhance the tensile strength and tear strength of PVC pipes, making them more durable. Improving toughness: The addition of CPE can enhance the toughness of PVC pipes, making them less prone to fracture when subjected to external forces.
2、 Improving processing performance and promoting plasticization: The addition of CPE can promote the plasticization process of PVC pipes, shorten plasticization time, and improve production efficiency. Improving dispersion effect: CPE can form an ideal network like dispersion form in PVC, enhancing its dispersion effect in PVC and further improving the performance of PVC pipes.
3、 Improving weather resistance and aging resistance: CPE has good weather resistance and can resist the erosion of natural factors such as ultraviolet rays and wind and rain, thereby extending the service life of PVC pipes. Aging resistance: The addition of CPE can also improve the aging resistance of PVC pipes, making them less prone to aging, cracking, and other problems during long-term use.
4、 Other factors affecting flame retardancy: CPE contains chlorine element, which has excellent flame retardancy. Therefore, PVC pipes added with CPE also have certain flame retardant properties, which can reduce the risk of fire to a certain extent. Environmental performance: CPE is non-toxic, free of harmful substances such as heavy metals and PAHs, and meets environmental requirements.
Therefore, PVC pipes modified with CPE also have certain environmental performance. In summary, the impact of chlorinated polyethylene on PVC pipes is multifaceted, including improving physical and mechanical properties, enhancing processing performance, improving weather resistance and aging resistance, and strengthening flame retardancy and environmental performance. These influences make CPE an indispensable and important additive in PVC pipe modification.
 
We have done chemical products for 30 years. Our main products include PVC Resin, CPE, TIO2, Paraffin Wax, PE WAX, Stabilizer ETC. 
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