At NINGBO INNO PHARMCHEM CO.,LTD., we focus on providing advanced materials that drive performance in critical industries. For the construction sector, particularly in the fabrication of PVC window profiles, the selection of appropriate additives is paramount. Chlorinated Polyethylene (CPE) 135A has emerged as a leading solution for enhancing the properties of PVC profiles, ensuring they meet stringent performance and durability requirements.
PVC window profiles are subjected to significant mechanical stresses and environmental exposure. To ensure they withstand these challenges, impact modifiers are essential. CPE 135A serves as an exceptional PVC impact modifier for PVC profiles. Its incorporation significantly improves the impact strength of the extruded profiles, making them less susceptible to cracking or breakage during installation, transport, and daily use. This enhanced toughness is a direct result of the molecular structure imparted by the high density polyethylene chlorination process.
Beyond impact resistance, the weatherability of PVC profiles is critical for their longevity and appearance. CPE 135A provides excellent resistance to UV radiation, ozone, and general atmospheric degradation. This means that PVC profiles modified with CPE will maintain their color and structural integrity over extended periods, even when exposed to harsh sunlight and varying weather conditions. This makes CPE an invaluable weather resistant plastic modifier.
Furthermore, CPE 135A contributes to the overall processability of PVC compounds used for profile extrusion. It aids in achieving a more uniform melt and better flow characteristics, leading to smoother extrusion processes and improved surface finish of the final profiles. This enhanced processability, combined with its toughening capabilities, makes it a preferred additive for manufacturers seeking to optimize their production workflows and product quality. The role of CPE as a PVC processing aid is often understated but vital.
The flame retardant properties of CPE also add an extra layer of safety to PVC profiles, contributing to building fire safety standards. Coupled with its excellent compatibility with PVC and other additives commonly used in profile formulations, CPE 135A offers a comprehensive solution for enhancing performance.
In conclusion, the use of Chlorinated Polyethylene (CPE 135A) is instrumental in optimizing PVC profiles. By significantly improving impact strength, weather resistance, and processability, it ensures that these construction components are robust, long-lasting, and safe. NINGBO INNO PHARMCHEM CO.,LTD. is committed to supplying high-quality CPE to meet the demanding needs of the PVC profile manufacturing industry.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.