Kingflex

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View Pricelist & QuotesKingflex Insulation Co., Ltd. is positioned at the forefront of the global thermal insulation sector. Headquartered in Dacheng, China—the renowned capital of green-building materials—we integrate extensive manufacturing prowess with global supply chain intelligence.
Kingflex was established by Jinwei Group, boasting a proud history spanning more than 45 years. Founded in 1979, Jinway Group proudly served as the pioneer manufacturer of thermal insulation materials north of the Yangtze River.
In operation, Kingflex anchors its core business model on energy saving and consumption reduction, delivering comprehensive thermal solutions from initial consultation to post-sale technical support.
Our multidisciplinary team unites visionary engineering with meticulous manufacturing execution. Kingflex maintains 8 professional senior engineers in our dedicated R&D department, alongside 6 international trade specialists and 230 floor technicians.
As international commercial developers, mechanical contractors, and industrial procurement officers navigate complex supply chains, partnering with a premier China Rock Wool Insulation Board Factory requires verified E-E-A-T credentials. Kingflex bridges geographical divides by offering transparent pricelists, strict quality traceability, and unwavering regulatory compliance.
Our products—encompassing premium rock wool insulation boards, thermal blankets, and flexible elastomeric foams—meet rigorous global safety benchmarks. Approved under standards such as BS 476, CE, REACH, ROHS, UL94, and ASTM, our materials guarantee zero compromise in fire retardancy, thermal conductivity stability, and acoustic attenuation.
Whether deployed in high-temperature industrial pipelines, cryogenic chemical processing units, or high-rise HVAC air conditioning networks, Kingflex provides tailor-made OEM support and localization advisory to ensure seamless installation across diverse global climates.
Innovation is engineered through state-of-the-art testing facilities. Our R&D division continuously tests thermal transmittance, compression resilience, and closed-cell integrity.
Kingflex Standard Dimension:
Material: NBR/PVC | Thickness: 6mm-50mm | Density: 40-55kg/m³ | Service Temp: -40℃ to 105℃
Advantage:
1. Closed cell rate over 98%, excellent thermal insulation.
2. Low moisture absorption, stable long-term thermal conductivity.
3. Flame retardant, self-extinguishing.
Application:
Central air conditioning, building walls/roofs, industrial plants, rail transit and cold storage.
Kingflex Standard Dimension:
Material: NBR/PVC | Thickness: 9mm-40mm | ID: 6mm-114mm | Density: 40-55kg/m³ | Service Temp: -40℃ to 105℃
Advantage:
1. Even foaming with professional pipe spraying equipment.
2. Compression resilience over 80%.
3. Greatly reduce pipe freezing and cracking risks.
Application:
Chilled/hot water pipes, HVAC water supply, chemical/petrochemical pipes and solar thermal systems.
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation.
Yes, our rubber foam insulation products are fire retardant, meeting stringent global safety standards for building and industrial projects.
Rubber foam is flexible, closed-cell, and moisture-proof, ideal for HVAC and building cold insulation. Rock wool is high-temperature resistant and fireproof, perfect for industrial high-temperature pipelines.
Yes, we fully support OEM and ODM services to match exact project specifications and dimensions.
Our products have passed BS 476, CE, REACH, ROHS, UL94, and ASTM certifications, ensuring full regulatory compliance worldwide.
Yes, every batch of Kingflex manufacturing output features strict lot-number traceability for complete quality assurance.
We can manufacture standard thicknesses ranging from 6mm up to 50mm, with custom thickness options available upon request.
When properly installed and maintained within service temperature limits, the operational lifespan is approximately 10 to 15 years.

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