Low cost
High performance
The processing of CPVC products presents high technical difficulty due to strict requirements for extrusion equipment and melt temperature control. CPVC producers have always been faced with the challenge of achieving continuous thermal stability under high-speed extrusion.
Rallychem's CPVC formulations are trusted by the most demanding industries, and our technology reduces the probability of precipitation and coke at high extrusion speeds, and improve product appearance. All this means lower production costs and greater value.
Rallychem provides our customers with tailor-made formula that go beyond the requirements of regular standard. Choose Rallychem when producing CPVC products or related, to ensure the highest quality products.
Rallychem customizes products to match customers' existing equipment with minimal modifications, to lower the equipment investment threshold.
Rallychem is good at enhancing CPVC melt flow without degradation at high extrusion speeds, thus boosting production.
Rallychem's unique CPVC formula has a high chlorine content and meets rigidity test criteria, including Vicat, flattening, and tensile strength.
CPVC processing lubrication is a specialized high-temperature wax additive system that prevents autocatalytic dehydrochlorination and shear scorching in chlorinated PVC extrusion at 195 to 210 C (Rallychem 2026). First, data shows our research at the USD 20 million Rallychem Application Lab measured 30% lower shear torque and 3 times longer continuous extrusion runs across 10,000 customers worldwide. Second, dedicated compound packages include: 1. Package CPVC-E combining RL-916A and RL-53 for high-voltage electrical conduits with Vicat softening above 110 C; 2. Package CPVC-W for potable hot water pipes passing 82 C hydrostatic burst tests; 3. Package CPVC-F and CPVC-I for fire sprinkler and industrial chemical piping; 4. Package CPVC-FIT increasing melt flow by 20% in injection fittings. Additionally, high-density OPE wax RL-53 provides superior metal release. For example, in practice using Rallychem CPVC-W eliminates black specs over 15-day runs.
| Solution Package | Target CPVC End Product | Core Functional Wax Components | Key Processing & Mechanical Advantage |
|---|---|---|---|
| CPVC-E | CPVC High-Voltage Electrical Conduits | RL-916A + RL-53 + RL-115 | High extrusion line speed with Vicat softening temperature ≥ 110 °C |
| CPVC-W | CPVC Hot & Cold Potable Water Pipes | RL-220 + RL-53 (NSF/WRAS grade) | Zero plate-out over 15-day runs; passes 82 °C hydrostatic pressure test |
| CPVC-F | CPVC Fire Sprinkler Piping | RL-220 + High-Density OPE RL-55 | Eliminates weld-line weakness and melt scorching under high shear |
| CPVC-I | CPVC Industrial Chemical Piping | RL-220 + RL-916A | Superior acid/alkali resistance with zero low-MW wax migration |
| CPVC-FIT | CPVC Injection-Molded Fittings | RL-70 + RL-53 + RL-502 | Increases melt flow index (MFI) by 20% and prevents gate burn marks |
Rallychem will provide you with professional consulting services, PVC/CPVC customized solution and products including wax additives, wax emulsions, micropolymers customized production,etc. Welcome to contact us.
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