CPVC is a new type of engineering plastic, produced by chlorination of polyvinyl chloride(PVC) resin. CPVC is white or light-yellow granules or powder without any smell, ordor or toxicity. After chlorination, the irregularity of molecular bond of the PVC resin and the polarity of molecular chain increase, the dissolvability and chemical stability of the resin also increase. Therefore, the heat resistance and the corrosion resistance of acid, caustic, salt and oxidant improve. It also improve the mechanical properties of higher heat deflection temperature, the chloride content increases from 56.7% to 63-69%, Vicat sofening temperature rises from 72-82ºC to 90-125ºC. And its highest service temperature can reach 110ºC and long-term service temperature 95ºC. Hence, CPVC is a new engineering plastic with promising prospect.
Physical properties
CPVC is readily workable, including machining, welding, and forming. Because of its excellent corrosion resistance at elevated temperatures, CPVC is ideally suited for self-supporting constructions where temperatures up to 200 °F (93 °C) are present. The ability to bend, shape, and weld CPVC enables its use in a wide variety of processes and applications.
Heat resistance
CPVC can withstand corrosive water at temperatures greater than PVC, typically greater by 40-50 °C (greater by 72-90 °F), contributing to its popularity as a material for water-piping systems in residential and commercial construction.
Mechanical properties
CPVC is significantly more ductile, allowing greater flexure and crush resistance. The mechanical strength of CPVC makes it a viable candidate to replace many types of metal pipe in conditions where metal's susceptibility to corrosion limits its use.Additionally, CPVC is a thermoplastic and as such has greater insulation than that of copper pipes.
Fire properties
CPVC exhibits fire-retardant properties. It is typically very difficult to ignite, tends to self-extinguish when not in a directly applied flame.
| Product name |
Chlorinated Polyvinyl Chloride |
| Brand |
Gaoxin, Yada, Suneight, Pujie, HEC, Leeman, Xiangsheng, Hota |
| Similar Brand |
Kenaka, Sekisui, Lubrizol, Kemone |
| Production Process |
Acid Phase Method / Aqueous Suspension Method |
| Usage |
Pipes, Pipe fittings |
| Application |
Hot And Cold Water Pipe, Industrial Pipe, Power Pipe, Fire Pipe, Wig, Floor |
| Exterior |
White / Pale Yellow Powder |
| Chlorine Content |
66%-68% |
| Vicat Softening Temperature |
115-130ºC |
| Thermal Decomposition Temperature |
≥120ºC |
| 0.355mm Sieving Rate |
≥99% |
| 0.595mm Screenings |
≤0.2% |
| Volatile Content |
≤0.35% |
| Bulk Density |
0.5-0.7g/cm3 |
| Specific Gravity |
1.45-1.65g/cm3 |
| Tensile Strength |
48.3-55.2 MPa |
| Tensile Modulus Of Elasticity |
2482-2758 MPa |
| Heat stability time ( 165°C) |
≥90S |
| Oil-absorb ratio |
≥25% |
| Absolute viscosity(CP) |
1.3-1.6 |
| Izod Notched Impact Strength |
7.8-26.1 KJ/m2 |
| Certificate |
EN/ISO/SGS |
Used in all kinds of heat-resistant plastic products made with the extrusion method, such as hot-water tube using in shipping and life facilities, brine tube,chlorine gas tube, electric pipeline of chloroalkali factories, etc.
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| CPVC meets the requirements for chemical equipment in terms of mechanical strength and resistant to chemical corrosion, thus can be made into a variety of pipes, fittings, valves, and plates used in chemical industries. |
CPVC is heat and corrosion-resistant and resists residual chlorine in water as well, thus, it can be made into pipes and fittings used for hot and warm water supply and drainage system in various industries. |
CPVC shows excellent flame retardancy and is thus the preferred choice while producing plastic products with strict fire requirements, including electronic product packaging, architecture decoration, and in transportation facilities. |
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| CPVC can be made into High-voltage electrical power cable conduit due to its excellent heat resistance and insulation characteristic. |
CPVC is used for thermoplastics to improve its properties, such as heat resistance and flame retardation. |
CPVC can be used to produce anti Corrosive painting and adhesive. Also it can be used as heat preservation materials for hot water pipes and steam pipes. |
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| CPVC pipe has only 1/200 thermal conductivity of that of steel pipe and possesses small friction coefficient, which makes it good at thermal insulation and improving oil flow efficiency when gathering and transferring crude oil. |
Through injection, extrusion, rolling, and pressing, CPVC/PVC alloys can be made into molding pieces, trays, electric appliance parts and shells, commercial machine casings, tubing, communication equipment, and auto parts, among others. |
CPVC can be used to fabricate fishing nets, work clothes, industrial filter clothes, noninflammable parachutes, and submarine cable jackets after fabric snagging. |
Weifang Hota New Material Technology Co., Ltd. (abbreviated as: Hota New Material) is a high-tech enterprise focusing on the research, development, production and sales of new materials and protective products and other series of products. The headquarters and R&D base are established in the scenic high-tech zone of Weifang City. The company has strong technology and R&D capabilities. It is a participant and practitioner of China's "One Belt, One Road" project, and a leading innovation brand in East China. Its textile factories, plastic factories, and new material factories have all passed the "ISO9001: 2000 international quality "Management System" certification and "ISO14001: 200114 International Environmental Management System" certification.
Q1: Are you a trading company or a manufacturer ?
A: We are the integration of industry and trade company located in Weifang. Specializing in the production of various chemical products, such as CPVC, PVC, CPE, ABS, ASA, HCPE, HDPE, chlorinated rubber and other chemical materials and products.Welcome to visit our factory any time.
Q2: Why to choose us ?
A1: We have rich experience and production equipment.
A2: We can meet the different requirements of customers for products.
A3: We can guarantee that the goods shipped to you in time after your payment.
Q3: Can I get samples for quality testing ?
A: Sure, we'll be glad to provide you with samples for evaluation.
Q4: How to store this product ?
A: Keep in a light-proof ,well-closed,dry and cool place.
Q5: Can I get any discount ?
A: The price is negotiable, we can offer you discount according to your order quantity.We also have promotions several times a year.
Q6: Do you accept small orders ?
A: Yes. We can accept small orders and are willing to grow up with you. And we are looking forward to co-work with you for a long term relationship.
Q7: Can you offer customized service?
A: OEM/ODM service support, we accept customization no matter on products or packing logo.
Q8: What certificate do you have ?
A: We have CE , ISO certificate.
Q9: The mode of transportation and delivery time ?
A: The time of delivery is usually around 7-15 days.
Q10: Does your company have after service ?
A: Our company has always put product quality in the first place, offer a comprehensive after-sale service.
CPVC is a new type of engineering plastic, produced by chlorination of polyvinyl chloride(PVC) resin. CPVC is white or light-yellow granules or powder without any smell, ordor or toxicity. After chlorination, the irregularity of molecular bond of the PVC resin and the polarity of molecular chain increase, the dissolvability and chemical stability of the resin also increase. Therefore, the heat resistance and the corrosion resistance of acid, caustic, salt and oxidant improve. It also improve the mechanical properties of higher heat deflection temperature, the chloride content increases from 56.7% to 63-69%, Vicat sofening temperature rises from 72-82ºC to 90-125ºC. And its highest service temperature can reach 110ºC and long-term service temperature 95ºC. Hence, CPVC is a new engineering plastic with promising prospect.
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