|
HS Code |
156468 |
| Chemical Name | Chlorinated Polyethylene (CPE) and Chlorinated Polyvinyl Chloride (CPVC) |
| Appearance | White powder or granular form |
| Chlorine Content Percent | CPE135A: 35-36%, CPE135B: 35-36%, CPE130A: ~33%, CPVC: 63-69% |
| Density G Cm3 | CPE: 1.21-1.28, CPVC: 1.38-1.55 |
| Melting Point Celsius | CPE: 110-120°C, CPVC: 100-120°C |
| Tensile Strength Mpa | CPE: 8-13 MPa, CPVC: 50-60 MPa |
| Elongation At Break Percent | CPE: 700-900%, CPVC: 20-40% |
| Thermal Decomposition Temperature Celsius | CPE: >150°C, CPVC: >200°C |
| Shore A Hardness | CPE: 60-70 |
| Main Application | PVC impact modifier (CPE), hot water piping (CPVC) |
| Weathering Resistance | Excellent |
| Flame Retardance | Self-extinguishing |
As an accredited CPE135A,135B,130A,CPVC factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | CPE135A, 135B, 130A, CPVC are packaged in 25kg woven plastic bags with inner liners for moisture protection. |
| Shipping | CPE135A, 135B, 130A, and CPVC are shipped in 25kg bags, securely sealed to prevent moisture and contamination. Palletized and shrink-wrapped for stability, they are transported via sea or land freight. All packages comply with regulatory standards and include clear labeling for chemical safety, ensuring protection during transit and storage. |
| Storage | CPE135A, CPE135B, 130A, and CPVC should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials. Containers must be tightly closed to prevent moisture absorption and contamination. Avoid exposure to strong oxidizers and acids. Use proper labeling, and handle with appropriate safety gear to minimize risk during storage and handling. |
Competitive CPE135A,135B,130A,CPVC prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
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As the direct manufacturers behind CPE135A, CPE135B, CPE130A, and CPVC, we face the daily realities of what these materials accomplish on production lines. Every user counts on consistent batch quality, straightforward processing behavior, and real-world performance in their end products. We know, because we work alongside compounders, pipe makers, cable producers, and window profile fabricators who rely on every kilo that leaves our facility.
Chlorinated Polyethylene (CPE) and Chlorinated Polyvinyl Chloride (CPVC) have found their place across plastics modification and compounding because they offer flexibility, impact strength, and temperature resistance that ordinary polymers cannot match. Every grade comes with a story—developed and refined through hands-on manufacturing feedback instead of brochure writing.
CPE135A emerged not as a laboratory curiosity, but as a workhorse impact modifier for rigid PVC and polyolefin blends in tough industrial environments. This grade achieves a balanced chlorine content—usually around 35%—and a uniform, fine particle structure. These properties did not arise by accident. Over years of tuning and lab testing, we settled on these characteristics because processors reported less agglomeration in mixers, and downstream equipment achieved higher impact strength at lower blend ratios.
Production plants using CPE135A have confirmed more flexible finished pipes, improved stress crack resistance in films, and better extrusion stability, even when conditions on the shop floor are less than perfect. For clients facing fluctuating raw PVC quality or shifting operator teams, CPE135A smooths out those variations and delivers a repeatable result. Nobody requests a long-winded explanation about the difference a few percent of chlorine makes—what they see is easier handling and stronger parts after impact testing.
CPE135B differs from 135A in its higher molecular weight and slightly coarser powder. Over the years, industry feedback highlighted applications where additional tensile strength and abrasion resistance are critical. In cable sheath production, for example, where compounds take mechanical strain and require carefully managed flexibility, 135B meets the mark. Our technicians have watched this grade gain ground in weatherstrip gaskets and profiles that must resist deformation under pressure. The structure of 135B brings enhanced elongation and punch-through resistance, especially in thicker components.
CPE130A occupies a smaller niche, focused mainly on flexible films and hoses where lower viscosity blends better. We designed CPE130A with feedback from clients who could not run high-fill or high-molecular CPE grades in their equipment. Instead of struggling with clogged screws or insufficient fusion, they switched to CPE130A and reported higher line speeds and lower gel formation. This flexibility gives processors more options in product design, especially when dealing with intricate molds or complex cross-sections.
Over decades of making CPVC, we have observed that its real value shows up not in theory, but in daily operation. CPVC’s higher chlorine content—typically around 67%—transforms it from a regular PVC derivative into a specialized polymer for pressure pipes, hot water distribution, and demanding fire sprinkler systems. It retains its shape and mechanical strength at service temperatures above 90°C, where standard PVC softens and fails.
Projects in chemical handling and industrial piping rely on CPVC because the polymer resists acids, alkalis, salts, and many organic solvents better than most commodity plastics. Our plant tests every campaign of resin using harsh chemical agents, and we regularly invite clients to validate lot-to-lot consistency in their own labs. Field engineers come back months or years later to tell us the pipes have resisted scaling and embrittlement in continuous operation. CPVC’s higher glass transition temperature makes it ideal for fabrication where dimensional stability cannot be compromised.
We have watched contractors and specifiers switch from metals to CPVC based on corrosion data and total installed cost, not merely catalog claims. Plumbers appreciate lighter weight and cleaner joining—fusing pipes with solvent cement instead of sweating solder joints—while facility owners see long-term operating savings from fewer leaks and repairs. The pipe and fitting sections in our warehouse supply these critical markets, and the feedback that comes directly to our production managers shapes every improvement in our process.
For every pallet of CPE or CPVC leaving our gate, we see the problems it solves. Take wire and cable insulation: CPE blends make a measurable difference in fire resistance and flexibility at low temperatures. We have listened to customers who reported that cable jackets did not crack after months of outdoor exposure, even under tension. Unlike alternative elastomers that can shrink or warp under stress, our CPE formulations maintain their dimensions, blocking water ingress and preventing cable failure.
Rigid window profiles reinforce another point—impact toughness in cold climates. Early generations of unmodified PVC suffered from brittle failure when exposed to winter temperatures. With our CPE modifiers, these profiles pass drop weight and tensile impact tests, even after accelerated weathering. Field installers get easier cutting and faster assembly, and building end-users report longer product life, all from small additions of CPE during extrusion.
Pipe manufacturing plants have different priorities, gravitating to CPVC not just for the mechanical properties, but for the safety compliance it enables. Fire codes push builders away from traditional materials in many markets. Our CPVC resin, with its high Vicat softening point, passes these regulatory hurdles and secures insurance certifications. Municipal water authorities have confirmed chemical safety for drinking water distribution, and our resin grades back up those claims with documented migration testing. These approvals are earned through consistent real-world validation, not just theoretical values.
Plastics manufacturers working on high-performance blends demand reliability and service, not generic claims. Over years of close cooperation with plasticizers, lubricant suppliers, and compounding plants, we have learned what matters most. In extruders, CPE135A and 135B show different melting points and fusion characteristics. CPE135A brings a softer, more flexible finished product, with toughened impact strength, ideal for profiles and outdoor applications. CPE135B emphasizes added abrasion resistance for cable jackets and industrial products that encounter physical abuse.
CPE130A comes into play where adaptability counts. Hose makers and thin film producers who struggled to disperse larger particle CPEs at lower viscosities request CPE130A. They report less die buildup and reduce cleaning intervals, which translates directly into lower maintenance costs and less downtime.
CPVC stands apart from CPE grades chiefly in high-temperature tolerance and chemical resistance. Where CPEs modify properties in a blend, CPVC often serves as the main matrix. Pipe makers operating dual-extrusion lines see firsthand the value of high heat deflection and pressure ratings. Our own application engineers collaborate to fine-tune formulations—balancing heat stability, pigment loading, and extruder settings—because every installation may have unique pressure or regulatory requirements.
Feedback from production floors drives progress in our plant. In practice, moisture control during storage and blending is critical for all chlorinated polymers. Technicians once discovered that an unintended spike of humidity led to inconsistent fusion in baked sheet stock, traced back to suboptimal silo sealing. That lesson led us to reinforce moisture monitoring at every bulk transfer point. As manufacturers, we invest in anti-caking systems and sealed conveyor lines, minimizing issues before they reach customer processing lines.
Color quality presents another hands-on challenge. Some clients demand consistent whiteness for visible products. Our team fine-tunes particle size and chlorination process to suppress yellowness and discoloration across CPE and CPVC lots. UV weathering is no afterthought: custom stabilizer packages and surface treatments became priorities as feedback from the outdoor profile market pointed to discoloration and loss of gloss. Real-world testing and accelerated aging in our lab push us to keep improving every grade.
Manufacturers in our field face growing pressure to meet environmental regulations. We took the decision years ago to phase out heavy-metal stabilizers and improve the environmental profile of our products. Residual solvent control, dust emissions, and reactor process water management all receive continual review and investment. Our facility now uses closed-cycle water systems and regenerative gas treatment technology, reducing the impact borne by our neighbors and workforce.
With CPE and CPVC applied in everything from children’s toys to potable water pipes, traceability and transparency matter for trust. Customers request data supporting compliance with RoHS, REACH, and strict hygiene standards. Our team certifies every batch against relevant regulatory limits for hazardous substances—providing not just paperwork, but actual batch analytics tied to production dates and lot numbers. This gives our clients documentation to back up their products in global markets and government tenders.
Not every innovation lands with fanfare. Introduction of CPE or CPVC into established process lines occasionally uncovers hidden incompatibilities. Some compounding lines run too hot, leading to partial degradation and off-gassing. Our technical service crew has supported troubleshooting sessions at client sites, helping adjust resin loading, screw speed, and stabilizer blend. By working shoulder-to-shoulder with processors, we ensure our products integrate seamlessly, not just under ideal lab conditions but during 24/7 plant production.
Pipe makers sometimes fight scaling and die buildup, especially in high-throughput lines. Addressing these issues means re-examining particle size and anti-blocking additives. Our process allows for fine-tuning that meets both old and new extrusion hardware—the goal is always longer runs and higher throughput without sacrificing end-use properties. By keeping our doors open for feedback, we adapt quickly to evolving machinery and application requirements.
As demand for premium, durable, and sustainable polymers rises, the line between standard and specialty materials blurs. Today’s R&D teams at our facility focus on developing CPE and CPVC that serve the next wave of applications: all-weather building materials, low-smoke wire and cable, heavy-duty hoses for chemical handling, and more. Current projects also explore foamed structural panels and innovative composite blends guided by direct requests from customers working in harsh service environments.
Formulators seeking improved processing safety see ongoing value in resin purity and low-odor performance. We have invested in further removing residual solvents and limiting extractable components, responding to markets with stricter environmental regulations. As a result, clients manufacturing products for export to North America and Europe gain a competitive edge from our quality improvements.
Our success as manufacturers of CPE135A, CPE135B, CPE130A, and CPVC rests on customers who trust not only our resin but the people who make and support it. We emphasize technical support, reliable supply, and honest communication over empty claims. Our support team stands ready to offer troubleshooting, recipe suggestions, and on-site visits for those fine-tuning formulations or facing new compliance regimes.
We see our role as more than filling a gap in raw materials. Each batch embodies years of collaborative tuning, from compounding feedback to field performance evaluation. We listen, learn, and adapt based on the performance our customers see in actual conditions. CPE and CPVC have moved far beyond their initial roles as simple modifiers—today, they help build tougher infrastructure, safer homes, and more resilient consumer products.
Advancements in polymer science, environmental stewardship, and user feedback shape how we operate and improve every product. Customers now demand more from their materials, whether it is demonstrated toughness at zero degrees in window profiles, fire safety in cable compounds, or resistance to aggressive chemicals in piping systems. Our CPE135A, 135B, 130A, and CPVC continue to evolve—chemical structure, stabilization, processing adapts based on each generation of industry challenges and requirements.
Rather than focusing on claims, we invest in practical reliability. The trust built by field performance and customer satisfaction matters more than ticking boxes on a datasheet. Our ongoing investment in cleaner production, tighter quality controls, and transparent compliance documentation supports customers navigating changing market conditions, regulatory pressures, and technical challenges.
For every new challenge—whether it is rapid market entry for a new building code, improved weathering resistance for an overseas market, or simply faster turnaround on orders—we continue to adapt. Our history as direct manufacturers teaches us that long-term partnership, not marketing language, makes the final difference. These core values drive the continued success of our CPE and CPVC product family from factory to finished product.