Explore our high-performance thermal shrink tubes, sleeves, and specialized coatings manufactured to international standards.
CYCT New Materials Company Limited (for short, CYCT) is a state-level high-tech enterprise integrating R&D, production and sales of pipeline corrosion protection materials as well as buried pipeline detection service and pipeline coating field application service into one.
For decades, CYCT has dedicated itself to the continuous innovation, high-volume production, and global supply of pipeline corrosion protection materials. With state-of-the-art manufacturing facilities and class-leading research ecosystems, we serve the critical infrastructure requirements of energy grids worldwide.
Our strategic partnerships with key research institutions like the CNPC Pipeline Science Research Institute allow us to deliver robust pipeline solutions. From design schemes and cathodic protection systems to active rehabilitation engineering and integrated safety services, CYCT is your premier partner for pipeline integrity.
CYCT owns leading testing and R&D capabilities, a professional R&D team, and a national CNAS-accredited laboratory.
An in-depth technical analysis of high-performance thermal shrink materials, global supply conditions, and advanced safety criteria for pipeline engineering.
In modern industrial plants, municipal water lines, and oil and gas transmission pipelines, infrastructure durability is directly related to operational safety. Global procurement departments look for reliable OEM thermal shrink tubes and heat-shrinkable sleeves to ensure long-term stability in the face of harsh environments. Subsurface stresses, mechanical damage from backfill, thermal expansion, and electrical current loops constantly challenge pipeline coatings.
OEM partnerships allow engineering firms to secure customized polymer properties. These modifications include high-temperature performance (supporting up to 80°C or 85°C continuously), specific backing thicknesses, customized shear-strength profiles, and adapted mastic adhesives. By specifying custom dimensions and chemical formulations, enterprise clients reduce field installation failures, speed up project timelines, and optimize total cost of ownership (TCO).
At the core of CYCT’s thermal shrink sleeves is radiation cross-linked polyolefin technology. High-energy electron beams modify the raw polymer structure, linking linear polymer chains into a robust, three-dimensional network. This cross-linking process grants the polyolefin backing its "elastic memory" effect, enabling it to shrink tightly and uniformly over joints when heated.
Complementing this mechanical backing is the formulation of the hot-melt adhesive. CYCT uses custom-designed functional copolymer adhesives that bond directly to the steel substrate and mill-applied coatings (such as 3LPE or 3LPP). The adhesive melts during heating, flowing into surface micro-roughness to seal out moisture, oxygen, and corrosive compounds. When paired with high-temperature solvent-free epoxy primers, it forms a robust three-layer system with strong resistance to cathodic disbondment.
Provides strong mechanical protection, high shear strength, and impact resistance. Prevents damage from soil stress and movement during operation.
Formulated with modified copolymer resins to bond tightly to PE, PP, and bare steel. Resists temperatures up to 85°C.
Acts as an active corrosion barrier on the steel pipe surface. Prevents under-film corrosion and disbondment under cathodic protection.
Different operating environments require tailored engineering approaches. CYCT designs and supplies targeted field joint solutions for various terrains:
Offshore and Subsea Pipelines: Marine environments combine constant moisture with high mechanical stress. CYCT’s moisture-curing shields and composite solutions provide lasting protection for offshore risers and field joints, resisting saltwater penetration and wave impact.
Horizontal Directional Drilling (HDD): Pulling pipes through rock and abrasive soil can damage standard coatings. Our photo-curing protective sleeves utilize high-strength glass-reinforced plastic (GRP) sheets, cured by light, to form a rugged outer shell that protects the joint during pulling.
High-Temperature Transport: Pipelines carrying hot crude oil or district heating water require systems capable of continuous operation at high temperatures. Our 80°C and 85°C PP/PE heat shrink sleeves, along with high-temperature cold-applied tapes, maintain performance without adhesive slippage or degrading.
The pipeline anti-corrosion industry is shifting toward materials with lower environmental impacts, faster installation times, and longer lifespans. CYCT is driving several key technological advancements:
Viscoelastic VT95 Tape Development: Viscoelastic polymers offer self-healing properties. The cold-flow characteristics of polyolefin-based viscoelastic tape allow it to flow into minor scratches or defects, providing self-repairing protection.
Eco-friendly Solvent-free Primers: Traditional primers release volatile organic compounds (VOCs). CYCT's high-temperature solvent-free epoxy primers eliminate VOC emissions while maintaining strong chemical bonding, supporting safer field applications.
Enhanced Repair Systems: Utilizing FRDX PE repair patches and hot-melt sticks allows field crews to quickly patch minor damages in mill-applied coatings, restoring original barrier performance without requiring complete joint replacement.
CYCT is a registered member of the Chinese Society for Corrosion and Protection (CSCP), the China Association of Petroleum Engineering Construction (CAPEC), and the Association for Materials Protection and Performance (AMPP). This ensures our production testing aligns with international standards.
Our in-house CNAS-accredited testing laboratory tests every batch of thermal shrink sleeves and primers for peel strength, shear resistance, impact resistance, and cathodic disbondment. We provide full trace documentation and technical field support to ensure installation teams meet design specifications under various climatic conditions.
Member of Council in Chinese Society for Corrosion and Protection (CSCP), Qualification Certificate of Corrosion Protection Construction, Qualification Certificate of Pipeline Detection, Well-known Brand of Pipeline Corrosion Protection in China, Corporate Member of China Association of Petroleum Engineering Construction (CAPEC), State-Level High-Tech Enterprise with more than ten proprietary intellectual property rights. Stable supplier of PetroChina, Sinopec, China Gas Group, and Indian Oil.
In-depth insights into standard compliance, application steps, and material properties.
Explore our wider range of cold-applied tapes, repair patches, and hot-melt sticks for pipeline maintenance and rehabilitation.
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