Kingflex
Kingflex
In modern industrial setups, the integrity of thermal systems determines overall process efficiency, plant safety, and operational lifecycle. Flex clad insulation represents an evolutionary leap in closed-cell elastomeric technology. Integrating a robust, pre-applied multi-layered laminate protective jacket with high-performance NBR/PVC (Nitrile Butadiene Rubber/Polyvinyl Chloride) foam cores, flex clad systems act as a dual barrier. They successfully resist water vapor transmission while defending systems against harsh mechanical impacts, ultraviolet (UV) radiation, and aggressive chemical exposure.
Historically, traditional thermal insulation systems required separate cladding installations—such as sheet metals (aluminum or stainless steel) or mastic wraps. These traditional methods are labor-intensive and susceptible to Corrosion Under Insulation (CUI). CUI occurs when moisture infiltrates micro-gaps between the metal cladding and the underlying insulation material, causing rapid, unseen piping failure. By utilizing a factory-bonded, flexible laminate jacket directly fused to the elastomeric structure, Kingflex insulation eliminates air gaps, providing reliable moisture barrier protection and low thermal conductivity (k-value).
Kingflex Insulation Co., Ltd. is a leading professional manufacturing and trading combo for thermal insulation products. Headquartered in Dacheng, China—the recognized capital of green-building materials—our facility integrates research, development, production, and international logistics. As an energy-saving, environmentally conscious enterprise, Kingflex prioritizes energy conservation and consumption reduction.
Established under the prestigious Jinwei Group (founded in 1979, with over 40 years of manufacturing history), Kingflex inherited a legacy of pioneering thermal materials. Jinwei Group was the first manufacturer of thermal insulation materials north of the Yangtze River, laying a foundation of reliable production engineering and structural material science.
Thermal performance needs vary by region and industry. Flex clad systems address demanding specifications across various global sectors:
For systems processing Liquefied Natural Gas (LNG) and other industrial liquids down to -200°C. Prevents condensation and ice formation, ensuring process stability.
Commercial facilities, high-rise buildings, and transit networks utilize closed-cell sheets and pipes to insulate central chilled water and air distribution lines.
Offshore drilling platforms and coastal chemical plants require high salt-spray resistance. Our weather-proof outer cladding protects elastomer cores from saltwater damage.
The R&D team at Kingflex focuses on refining cell structures and polymer blends. Closed-cell configurations contain millions of micro-bubbles that trap air and block moisture, maintaining long-term thermal conductivity limits. Our staff of 8 professional engineers in the R&D department, 6 international sales managers, and 230 skilled production technicians support this focus.
By combining raw NBR/PVC with fire-retardant additives, Kingflex produces elastomeric insulation sheets that meet building safety standards (such as BS 476 Class 0 and UL94 V-0 flame ratings).
Kingflex closed-cell rubber foam insulation comes in standard sheets, rolls, and pre-formed pipe sections, with or without self-adhesive backing and protective cladding.
| Property / Dimension | Standard Sheet Rolls | Standard Insulation Pipes |
|---|---|---|
| Base Polymer Matrix | Premium Elastomeric NBR/PVC blend | Premium Elastomeric NBR/PVC blend |
| Available Thickness | 6mm, 9mm, 13mm, 19mm, 25mm, 32mm, 40mm, 50mm | 9mm, 13mm, 19mm, 25mm, 32mm, 40mm |
| Inner Diameter (ID) | N/A (Flat sheet/roll format) | 6mm up to 114mm range |
| Apparent Density | 40 to 55 kg/m³ | 40 to 55 kg/m³ |
| Service Temperature Range | -40℃ to +105℃ (Ultra-low Cryogenic options down to -200℃) | -40℃ to +105℃ (Ultra-low Cryogenic options down to -200℃) |
| Thermal Conductivity (K-value) | ≤ 0.034 W/(m·k) at 0℃ | ≤ 0.034 W/(m·k) at 0℃ |
| Moisture Resistance Factor | µ ≥ 10,000 (Excellent vapor barrier) | µ ≥ 10,000 (Excellent vapor barrier) |
| Fire Safety Rating | BS 476 Part 7 Class 1, Part 6 Class 0, UL94 V-0 | BS 476 Part 7 Class 1, Part 6 Class 0, UL94 V-0 |
Flexible Sheet Roll Structure
Mechanical Elasticity Test
Standard Tube Profiles
Alu Clad Pre-Applied Shield
China's manufacturing sector offers high industrial cluster efficiency and raw material integration. Kingflex's facilities in Dacheng leverage localized supply networks to secure stable access to high-purity chemical feedstock polymers (NBR and PVC resin compounds), mineral fire retardants, and technical adhesives.
By running five automated assembly lines, we optimize manufacturing throughput. Processing raw formulations through continuous extrusion, chemical foaming, and high-temperature curing in one automated flow minimizes cell structural variations. This production capacity enables Kingflex to meet large-volume orders from domestic ministries and international contractors. Our status as a designated supplier for the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry in China demonstrates our manufacturing reliability.
Global engineering projects require third-party testing and compliance documentation. Kingflex products undergo verification testing under BS 476, CE, REACH, RoHS, UL94, and ASTM protocols.
These certifications confirm that our materials limit smoke density, prevent flame spread, and restrict hazardous heavy metals, meeting environmental safety criteria for school, hospital, and marine installations.
Our technical team is developing next-generation insulation systems that combine traditional elastomeric benefits with advanced composites:
Continuous Adhesive Coating
High-Speed Pipe Extrusion
Packaging and Logistics
Cellular Uniformity Check
Kingflex insulation materials are used in construction projects, petrochemical refineries, district heating systems, and transport facilities worldwide.
Find expert answers to common queries about our closed-cell elastomeric products, technical capabilities, and global project supply processes.
Transparent communication and customer satisfaction are core priorities for our team. Below are verifications of order processing and dispatch procedures.
Ideal for direct piping condensation prevention and noise barrier control.
Engineered to limit moisture penetration, protecting lines from Corrosion Under Insulation.
Offers high elasticity, facilitating quick installation over complex elbows and valves.
Standard closed-cell NBR/PVC design suitable for building service water systems.
Engineered to limit thermal losses in central commercial chiller networks.
Integrated, multi-layered system designed to minimize energy loss.
High-grade cryogenic insulation material engineered for sub-zero pipelines.
Advanced multi-layer elastomer structure for industrial liquefied gas storage.
Fibrous mineral wool boards offering high-temperature thermal barrier protection.
Flexible rock wool blanket for heavy industrial plants and high-heat storage vessels.
Standardized Production Quality Checks
