Pipeline Anti-corrosion and Sealing
(1) Changyuan Changtong New Material was established in 2000 and is a top-ranking manufacturer of battery protection materials, electronic components protection materials, medical instruments protection materials, and pipeline corrosion protection materials in China. It covers an area of over 30000㎡, has over 230 staff, and is equipped with a high-level R&D team, ISO 9001, ISO 14001, ISO 45001, IATF 16949:2016, ISO 10993, ISO 21809-3, EN 12068, DVGW, etc.
(2) Pipeline corrosion protection materials we offer are field joint coating and pipe system coating solutions, which have passed DVGW certification in Germany and meet the ISO 21809-3 and EN 12068 standards. This product can be used as the protection coating of oil and gas pipelines such as pipe welded joints, pipe fitting, pipe bend, pipe elbow, pipe Flange, pipe tee, and pipe valve, and it plays the role of insulation, sealing, withstand moisture, chemical damage and physical damage, etc. Our pipeline heat shrinkable sleeve has a good performance, the Peel strength at 10 mm/min to pipe surface and to plant coating(23℃) is 8.2N/mm, the peel strength at 10 mm/min to pipe surface primed with epoxy and to plant coating(23℃) is 8.5N/mm, and the Cathodic disbondment at 30 days (23℃) is 6.5mm.
(3) Changyuan Changtong has first-class production equipment, a nationally certificate CANS laboratory, and advanced testing equipment, to ensure production process control and product testing technology. The performance of the company's products meets the ISO 21809-3 and EN 12068 standards and the latest international environmental requirements.
(4) About the production process of Pipeline Corrosion Protection Materials:
1. Raw material control
We will detect the performance of every batch of raw material to confirm whether they meet the requirements, such as shrink rate, environmental protection, tensile strength, etc.
2. Production monitoring
Every production process has a test record to ensure that the next process of semi-finished products is qualified and records the test data. Strengthen the control of key processes and ensure the quality of products in the production process is stable.
3. Warehouse-in Inspection
Before packaging and storage, finished products must be inspected one by one, and they can only be packaged and stored after all physical and chemical properties are qualified.
4. Delivery Inspection
The company will conduct random inspections and make the relevant performance tests on each batch of products in the company laboratory before delivery. We will also issue a factory inspection report. The products can only be shipped out after qualification.
5. Quality traceability for Pipeline anti-corrosion products
All products of the company are affixed with quality traceability labels. According to the different batches of raw materials used in the production process, different production times, and different operators, different batches of products are affixed with different traceability barcodes. According to the traceability barcode, the batch of raw materials used in the product, the production time, and the operator can be traced.
(5) About the pipeline corrosion protection materials, we can offer high-quality 3-layer PE heat shrinkable sleeves for pipe welded joints, 3-layer PP heat shrinkable sleeves for field joint coating, PE heat shrinkable tape, PP heat shrinkable tape, heat shrinkable sleeves for horizontal Directional Drilling, PE cold applied tape, PP reinforced cold applied tape, Visco elastic tape, Visco elastic paste, Visco elastic coating+pe/pvc outer wrap, Pipe abrasion resistant overcoat, photo-curing sleeve for pipe HDD, epoxy glass fiber reinforced coating for HDD, pipe PE/PP coating repair patch, pipe PE/PP coating repair rod. We have them in stock, small order quantity is available. Besides our company supports OEM and OMD services. Our company owns a high-standard research and development team and advanced printing equipment, which can produce pipeline corrosion protection products according to your requirements and help you print your logo.
(6)Besides we can also offer highly high-competitive cylindrical lithium batteries, capacitors, and medical instruments protection solutions, like PET Heat Shrink Tubing for Medical Devices, PET Heat Shrink Tubing for Endoscopes, PET Heat shrink tubing for medical catheters, electrolytic capacitors heat shrink tubes, supercapacitors heat shrink tubes, 14500 battery heat shrink tubes,18650 battery heat shrink tubes, 21700 pet battery heat shrink tube, 26700 pet battery heat shrink tube, 32650 pet battery heat shrink tube, 40132 battery pet heat shrink tube, 46800 pet battery heat shrink tube, 60138 pet battery heat shrink tube, large size cylindrical battery pet heat shrink tube, electronic components pet heat shrink tube.
(7) What kind of coatings can we use to protect gas and oil pipelines?
Fusion Bonded Epoxy (FBE): A thermosetting powder coating that provides excellent adhesion and corrosion resistance.
Polyethylene (PE): A thermoplastic coating that offers good mechanical protection and chemical resistance.
3-layer PE/PP Heat Shrinkable Sleeve: A three-layer protective system designed for corrosion protection of pipelines, particularly for field welded joints.
PP/PE Cold-applied Tape: Cold Applied Tape is a specialized protective solution designed to safeguard various surfaces, particularly pipelines, from corrosion and environmental damage.
Viso Elastic Coating: Visco-elastic materials can be used to protect the valve from corrosion. Normally viscoelastic anticorrosive tape and viscoelastic anticorrosive paste are used together.
PE/PP pipe coating repair patch rod: Repair patch is a heat-applied patch or rod, which in combination with mastic filler, offers an economically effective and highly qualified repairing system for factory PE/PP pipe coatings damaged mechanically during transportation, storage, and laying of pipes.
Coal Tar Enamel: A traditional coating used for underground pipelines, providing high resistance to moisture and chemicals.
We are pleased to announce the relocation of our operations to a new, integrated manufacturing base in Xiegang Town, Dongguan. This advanced facility combines R&D, production, and office spaces, enabling streamlined workflows and greater efficiency. The move supports our commitment to standardized processes and elevated quality control, ensuring higher product excellence. This strategic upgrade reinforces our ability to deliver superior solutions and marks an exciting milestone in our growth.
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We participated in CIBF2025 to showcase our innovative products and solutions.
