High-Quality CPVC Resin Starts with the Right PVC Resin

In the piping industry, there is an increasing demand for materials that can withstand high temperatures, high pressure, and corrosion, while ensuring long-term reliability with low production and installation costs. These requirements have continuously driven growing interest in CPVC pipes and fittings in the global market.

Today, CPVC pipes and CPVC fittings are widely used across various industries, including: Hot water piping systems, Building plumbing systems, Industrial piping systems, Fire sprinkler systems and applications requiring high material stability under demanding conditions

As a result, CPVC is no longer just an alternative material. It is becoming a key material for manufacturers aiming to enhance product quality and meet increasingly demanding application requirements.

What is CPVC?

CPVC Resin (Chlorinated Polyvinyl Chloride)is a polymer produced by chlorinating PVC resin to enhance its heat resistance and chemical resistance. Typically, standard PVC resin contains about 56.7% chlorine. After undergoing the chlorination process to become CPVC resin, the chlorine content increases to approximately 63%–69%. Key characteristics of CPVC include: High heat resistance (up to 95°C) and Excellent chemical corrosion resistance. Because of these properties, CPVC is widely used in applications such as: Hot water pipes, Industrial piping systems, Fire sprinkler systems, and other demanding piping applications.

PVC Resin for CPVC Resin Production

Selecting the right PVC resin for producing CPVC resin is extremely important. The chlorination process involves introducing chlorine into the molecular structure of PVC. Therefore, the base PVC resin must allow chlorine gas to penetrate evenly into the particles to ensure consistent chemical reactions. This ensures the production of high-quality and uniform CPVC resin. The ideal characteristics of PVC resin for CPVC production include: 

• • High porosity
  • Uniform particle size
  • High purity with low residual impurities
  • Good initial thermal stability.

SCGC™ PVC SF58S

SCGC™ PVC SF58S is a low molecular weight PVC homopolymer resin with high porosity, uniform particle size, and good thermal stability. It has been specifically developed to suit the chlorination process, helping improve production efficiency and reduce production losses. This grade is designed for manufacturing CPVC fittings using the injection molding process.

คุณสมบัติเด่นของ SCGC™ PVC SF58S • Low molecular weight (K-value 58) • High porosity • Uniform particle size • Good thermal stability • Low impurity content

SCGC™ PVC SG66J

SCGC™ PVC SG66Jis a medium molecular weight PVC homopolymer resin featuring high porosity, uniform particle size, and good thermal stability. It is developed to optimize the chlorination process, helping enhance production efficiency and reduce processing losses. This grade is designed for manufacturing CPVC pipes using the extrusion process.

คุณสมบัติเด่นของ SCGC™ PVC SG66J• Medium molecular weight (K-value 66) • High porosity • Uniform particle size
• Good thermal stability • Low impurity content

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Contact pvc_resin@scg.com for more information about the CPVC production.