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Zhejiang Jingliang Copper-Tube Products Co., Ltd

Wholesale PVC Coated Copper Tube

PVC Coated Copper Tube

-- Steady & Reliable Manufacturer --

Advanced Protection for Aggressive Environments

PVC Coated Copper Tube is a specialized piping solution designed for installations where the copper itself needs a secondary layer of defense against external corrosive agents. At Zhejiang Jingliang, we start with high-grade C12200 phosphorus-deoxidized copper and wrap it in a seamless, extruded layer of polyvinyl chloride (PVC). This coating acts as a "sacrificial and barrier" shield, preventing the copper from coming into direct contact with acidic soils, concrete, or saline coastal air. Standard bare copper is highly durable, but in certain industrial or underground settings, chemical reactions can lead to "pitting" or "green rot." Our PVC-coated solution eliminates this risk. The coating is applied with a tight, consistent fit that prevents moisture from becoming trapped between the plastic and the metal, a common failure point in lower-quality products.

We offer these tubes in various color-coded jackets—most commonly yellow for gas and blue or white for water—to assist in job-site identification and safety. The PVC layer is not just for chemical protection; it also provides a level of mechanical cushioning, protecting the pipe from scratches and dents during the "rough-in" phase of construction. Furthermore, for hot water applications, the PVC acts as a minor thermal insulator, reducing heat loss and preventing accidental burns upon contact with the pipe. Our coating is UV-stabilized, ensuring that if the pipe is installed in semi-exposed outdoor locations, the plastic will not become brittle or crack under the sun's rays. By choosing Jingliang's PVC-coated tubes, contractors are providing their clients with a "Double-Layer" security system that significantly extends the maintenance-free life of the piping network.

Coating Properties & Mechanical Data

PropertyPVC Coating SpecsCopper Core Specs
Coating MaterialUV-Stabilized Virgin PVCC12200 (Cu-DHP)
Coating Thickness0.5mm - 2.0mm0.6mm - 1.5mm
Dielectric Strength≥ 20 kV/mmN/A
Shore HardnessA 70 - 90HV 40 - 110 (Annealed)
Working Temp-20°C to +95°C-200°C to +204°C
Color StandardsYellow (Gas), Blue/White (Water)Bright / Polished
Adhesion StrengthSeamless Extrusion (Tight-fit)ASTM B88 / EN 1057
Fire RatingUL 94 V-0 (Self-extinguishing)Non-combustible
Size Range6mm - 54mm ODStandard Type L / M

Underground Burial and Corrosive Industrial Routing

The primary application for PVC Coated Copper Tube is "Underground Fuel Gas Lines" (Propane and Natural Gas), where the yellow jacket provides both protection from soil acidity and immediate visual identification for future excavators. It is widely used in "In-Slab Plumbing," where copper pipes are buried within concrete floors; the PVC prevents the alkaline nature of the concrete from reacting with the copper. In "Coastal and Marine Environments," these tubes are used for outdoor water lines to resist the salt-laden mist. Industrial plants use them to transport "Aggressive Chemicals" or process water through areas with high atmospheric humidity or chemical vapors. They are also common in "Medical and Laboratory" settings for secondary containment of gases. Additionally, the white-coated versions are popular in high-end residential "Exposed Piping" designs, where the clean plastic finish is preferred over the look of aging copper.

Corrosion Resistance and Safety Identification

The most significant advantage is "Enhanced Longevity" in hostile environments, as the PVC layer provides a 100% waterproof and chemical-proof barrier. "Simplified Compliance" is another benefit; the color-coding (Yellow for Gas) is mandated by many international building codes, reducing the risk of installation errors and inspection failures. Our tubes offer "Mechanical Protection," ensuring that the soft copper core remains undamaged by backfill materials or tools during construction. The "UV Stability" of our PVC ensures the jacket remains flexible and functional for decades, even in sunny climates. From an installation standpoint, the pipe is still "Hand-Bendable" (if soft annealed), allowing for easy routing without removing the coating. Finally, the "Fire-Retardant" nature of our specialized PVC ensures that it does not contribute to the spread of flame, maintaining the high safety standards inherent to copper systems.

Packaging for Plastic Integrity

To protect the PVC jacket from being torn or scuffed, these tubes are shipped in heavy-duty cardboard coils or straight-length bundles wrapped in thick protective film. Payment is 30% T/T and 70% against B/L. We ship globally from Ningbo or Shanghai. Every batch is tested for "Coating Adhesion" and "Spark Tested" to ensure there are no pinholes in the plastic insulation. Our logistics team provides detailed packing lists that specify the color and length of each coil, facilitating easy sorting at your warehouse or job site.

  • Q: Can I use standard fittings with PVC coated pipe?
  • A: Yes, but you must strip back a small section of the PVC coating to reveal the bare copper for brazing, soldering, or press-fitting.
  • Q: Is the PVC coating toxic?
  • A: Our PVC is lead-free and phthalate-compliant, making it safe for handling and standard residential environments.
ABOUT US
30+YEARS OF
EXPERIENCE
About Us

A Reliable Partner of the Copper Tube Industry

Zhejiang Jingliang Copper-Tube Products Co., Ltd is China PVC Coated Copper Tube and PVC Coated Copper Tube Factory, which established in 1994, has been deeply involved in the copper tube industry for over three decades. The company primarily produce various specifications of products such as copper tubes, brass tubes, copper square tubes, fin copper tubes, copper capillary tubes, condenser copper tubes, copper evaporator tubes, and conductive rods, which are of quality and have earned the trust and acclaim of customers both domestically and internationally.

Wide Applications:

These products are widely used in various fields including air conditioning, refrigeration, heat exchange, sanitary ware, automotive, machinery, electric furnaces, and chemical industries.

Convenient Transportation:

Strategically located in Tangpu Town, renowned as the “home of copper tubes” in East China. Our company enjoys a prime location, adjacent to the Shangsan Expressway and National Highway 104, and is conveniently situated just over 70 kilometers from Hangzhou and Ningbo, ensuring easy accessibility and a business position.

Strong Financial Resources:

With its strong financial resources and advanced copper tube processing technology, our company holds an advantageous position in market share, brand value, technological content, and product quality, becoming a preferred supplier for many listed groups.

Large Scale Production:

The company occupies an area of over 20,000 square meters, with a construction area of 12,800 square meters. In 2022, our annual production exceeded 7,500 tons, with a value output of up to 450 million yuan, demonstrating our strong production capacity and market competitiveness.

Comprehensive Industry Chain:

Jingliang has now developed into a complete industrial chain integrating smelting, extrusion, drawing, precision rolling, and annealing. It has been awarded multiple honors, including "Top Ten Copper Tube Enterprises" and "Leading Taxpayer in the Copper Tube Industry".

Smart Manufacturing:

Jingliang Copper-Tube Products will better integrate the concept of factory construction into its corporate development strategy, insist on refining technology and polishing products more finely, and the future of "intelligent manufacturing".

Genuine Cooperation:

Zhejiang Jingliang Copper-Tube Products Co.,Ltd warmly welcomes friends from all walks of life to visit and offer guidance. We look forward to joining hands with you to create a brilliant future together.

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