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.
Cylindrical Cell PET Packaging Sleeves are crucial for battery safety & branding. This guide covers manufacturing, benefits, applications, and FAQs with images/videos. #BatteryTech #PETPackaging
Supercapacitor PET Packaging Sleeves enhance performance, durability, and safety by providing thermal management, electrical insulation, and mechanical protection. This article explores benefits, materials, applications, and future trends.
We participated in CIBF2025 to showcase our innovative products and solutions.
This anniversary isn’t just about looking back – it’s about charging forward. We’re excited to continue writing our story of excellence, with even greater innovations on the horizon.
This in-depth article examines the thermal conductivity of silicone potting compounds, exploring factors that affect heat transfer, applications, advantages over other materials, and selection criteria. Includes comparisons, application techniques, and FAQs.
Two-component silicone potting compounds are essential materials for protecting electronic components from environmental hazards such as moisture, dust, vibrations, and thermal stress. Their unique properties—thermal stability, electrical insulation, water resistance—make them indispensable across industries like automotive, aerospace, renewable energy, and electronics manufacturing.
Sodium-ion and lithium-ion batteries are key energy storage technologies. LIBs excel in energy density and EV applications, while SIBs offer cost, safety, and environmental benefits. Though LIBs dominate, SIBs are gaining traction in stationary storage. Advancements in both will shape the future of battery technology.
Protecting supercapacitors is crucial for maintaining their performance and extending their lifespan. PET heat shrink sleeves provide an effective solution by offering thermal, mechanical, and electrical insulation. By combining these sleeves with proper thermal management, mechanical protection, and electrical safeguards, supercapacitors can operate reliably across various applications.
This article explores the top 10 cylindrical lithium-ion battery manufacturers in 2024, highlighting companies like Panasonic, LG Energy Solution, and CATL. It discusses key innovations, market trends, and challenges, offering insights into the future of the battery industry. With the rise of EVs and renewable energy, these companies are set to shape the energy landscape.
Lithium-ion battery packaging is a critical aspect of ensuring safety, performance, and regulatory compliance during storage and transport. From inner cushioning to robust outer containers, each layer plays a vital role in protecting these hazardous yet indispensable power sources. With innovations like sustainable materials and smart sensors on the rise, the future of lithium-ion battery packaging promises enhanced safety and environmental responsibility.
Protecting lithium-ion batteries involves integrating safety mechanisms like protection circuits and battery management systems to prevent overcharging, over-discharging, and other hazardous conditions. This guide covers the design of protection circuits, best practices for handling Li-ion batteries, and answers common safety-related questions.
Battery wrappers are far more than cosmetic accessories—they are critical safety and performance components for modern lithium-ion batteries. These protective layers prevent catastrophic failures, extend battery life, and ensure compliance with safety regulations. This article explores the science,
This article explores the differences between lithium-ion batteries and supercapacitors, including their energy storage mechanisms, applications, and future developments.
Pipeline inspections are crucial for ensuring the safety and integrity of pipelines. This article explores the procedures, methods, and importance of pipeline inspections, highlighting their role in maintaining infrastructure safety and efficiency.
Pipeline maintenance ensures the reliability and safety of pipelines by preventing failures and environmental damage. It involves preventive, corrective, and predictive strategies, utilizing advanced technologies like drones and sensors to enhance efficiency and reduce risks.
This article examines whether Japanese capacitors are superior. While Japanese capacitors have a strong reputation for quality, the landscape is more complex. Factors like brand, quality control, and the risk of counterfeiting significantly impact a capacitor's performance. The article provides insights into the strengths of Japanese capacitor brands, the diversity of the Chinese market, and how to make informed decisions based on specific needs and testing, emphasizing that blanket statements about national origin do not guarantee quality.
Supercapacitors are revolutionizing energy storage with their rapid charging, high power, and long lifespan. This article explores the leading companies driving innovation in the supercapacitor market, examining their technologies, applications, and strategies for future success in sectors ranging from EVs to renewable energy.
Water pipelines are a critical part of modern infrastructure, transporting potable water from treatment plants to homes and businesses. This article discusses the components, types, design, operation, and maintenance of water pipelines. It also addresses the advantages, challenges, and future trends in water pipeline technology, providing a comprehensive overview of this essential system.
The 26650 battery is a robust and high-performing lithium-ion battery ideal for high-drain applications. Its high capacity, enhanced power output, and durable design make it a favored choice in various fields, including high-performance flashlights, electric vehicles, power tools, and solar energy storage systems. When selecting a battery for your specific needs, consider the 26650 for its superior performance and reliability in demanding applications.
