# Chlorinated Polyethylene (CPE 135A Impact Modifier)

    

Chlorinated Polyethylene (CPE 135A, Chlorine 35% ± 1%) impact modifier for rigid PVC pipes, fittings, window profiles, and outdoor vinyl. High elongation.

    
    
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      ## Product Identity & Properties

      

        - **Category:** PVC Additives

        - **CAS Number:** 63231-66-3

        - **Packaging:** 25kg Bags

        - **Stock Status:** Availability and dispatch timing confirmed at quotation

      

    
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      ## Common Names & Aliases

      
- CPE 135A
- Chlorinated Polyethylene
- PVC Impact Modifier
- CPE supplier India
- CPE 135A distributor Delhi
- CAS 63231-66-3

    
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## Related technical knowledge

- [**Improving Impact Strength in uPVC Pipes**](/knowledge-hub/pvc-pipe-impact-strength) — Technical guide
- [**Die Lip Plate-Out & Waxy Drool Build-Up**](/defect-doctor/die-lip-plate-out) — Defect guide
- [**IS 4985 — uPVC Pipes for Potable Water**](/standards/is-4985) — Standard

[Knowledge Hub](/knowledge-hub) · [Defect Doctor](/defect-doctor) · [Standards](/standards)

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