The following are some of the most frequently asked questions and consultations from customers.

About CPVC

Q: What is the difference between CPVC (chlorinated polyvinyl chloride resin) and PVC (polyvinyl chloride resin)?
A: CPVC is a material in which the performance of PVC is retained while its heat resistance, flame resistance, chemical resistance and mechanical strength are enhanced by adding a process called ‘post-chlorination’ to PVC. For more information, please see this page.

■Click here to go to “CPVC vs. PVC”■
■Click here to go to “What is CPVC (CPVC overview and features)”■

Q: What are the differences between CPVC and other plastic materials?
A: Compared to PP (polypropylene) and PE (polyethylene), which are commonly used in the same applications as CPVC, CPVC is superior in terms of heat resistance, flame resistance and mechanical strength. Also, it shows a higher chemical resistance to acids and alkalis, more widely than other plastic materials. It is less of a petroleum-dependent product, being composed of nearly 70% chlorine.

■Click here to go to “CPVC vs. other materials”■

Q: What is the difference between CPVC and metal materials in piping applications?
A: The weaknesses of metallic materials are that they tend to rust and deteriorate, and that they are prone to internal build-up of scale (water stains). CPVC, on the other hand, does not rust and is resistant to scale build-up. In addition, pipes made from CPVC can be easily cut and glued during installation, which contributes to reduced labour costs during installation work. Training man-hours for workers are also reduced.

■Click here to go to “CPVC vs. other materials”■

Q: What are the main applications for CPVC?
A: CPVC is often used for pipework in harsh environments. Examples include hot/cold water supply pipes and fittings where hot water is handled, fire sprinkler pipes and fittings where high flame and heat resistance is required. Also, for pipes and fittings for industrial applications where chemical resistance is required.

■Click here to go to “Applications page”■

About “Durastream” products

Q: I would like a copy of the “Durastream” product catalog.
A: You can download it using the form below.

■Click here to go to “Pamphlet download form”■

Q: I want to know more about the product specifications and I want TDS/SDS.
A: Product specifications vary depending on the part number offered. Please contact us using the form below for more information.

■Click here to go to “Inquiry form”■

Q: What is the difference between “Durastream” and other companies’ products?
A: The strength of Durastream lies in its high quality, which is backed up by SEKISUI’s technology. Many of our customers have praised “Durastream” for its high productivity and quality during moulding.

■Click here to go to “SEKISUI’s Technology”■
■Click here to go to “What is CPVC”?■

Q: What standards have you been certified to?
A: In terms of typical standards, we are NSF certified for hot/cold water supply pipes and fittings. In fire sprinkler pipes and fittings, as a compound, we are certified to standards in various countries.

■■Click here to go to the “CPVC Compound Durastream”■

About implementation support

Q: What is the process from consideration to implementation?
A: The process usually starts with the provision of a product sample tailored to the customer’s situation and requirements. To request a product sample, please contact us using the form below.

■Click here to go to “Inquiry form”■

Q: What kind of support is available?
A: The comprehensive power of the SEKISUI CHEMICAL Group, which covers everything from raw materials to moulding and installation, provides a range of support tailored to your situation. Please contact us first to discuss your requirements and challenges.

■Click here to go to “Implementation support”■
■Click here to go to “Inquiry form”■

Q: I want to develop a new product using CPVC in my company. Where can we consult?
A: We have CPVC compound products for applications other than pipes and fittings. We can suggest the most suitable product for your performance requirements and application, so please contact us first using the form below.

■Click here to go to “Inquiry form”■


Click here for product inquiries and sample requests.


Click here to download the product catalog for CPVC compound “Durastream”