Kingflex
Kingflex
Engineered for extreme temperature protection, moisture resistance, and superior thermal efficiency.
As modern building and industrial designs skew towards carbon-neutral operations, selecting the correct thermal insulation system is a primary focal point for design engineers, procurement heads, and MEP contractors. The global commercial demand for Black Color Rubber Foam Insulation Tubes has grown exponentially, driven by stringent building code updates and energy efficiency frameworks such as ASHRAE 90.1, EN 14304, and LEED standards.
Large-scale commercial projects, petrochemical refineries, data centers, and advanced cleanroom spaces require high-performance elastomeric insulation. Closed-cell NBR/PVC structures provide stable, long-term thermal resistance, blocking heat transfer while showing exceptional resistance to moisture vapor transmission. In hot, humid climates, or environments with extreme temperature variations, open-cell alternatives degrade rapidly due to moisture penetration. In contrast, NBR/PVC closed-cell structures remain stable, preventing costly structural issues like corrosion under insulation (CUI).
Condensation control on chilled water pipes and refrigeration lines is critical. Our black rubber foam insulation prevents condensation water droplets, reducing risk to ceiling tiles, floor structures, and electronics.
Designed to insulate complex pipe arrays containing steam, hot water, or petrochemical process materials. Prevents energy loss while maintaining precise line temperatures.
For operations down to -200 °C, Kingflex elastomeric systems provide low-temperature resilience. This prevents standard material embrittlement and maintains long-term structural flexibility.
Kingflex Insulation Co., Ltd. represents a professional manufacturing and trading combo, specializing in thermal insulation products. Located in Dacheng, China—a hub for energy-efficient building materials—Kingflex integrates R&D, production, sales, installation support, and after-sales service.
Founded by the Jinwei Group (now Kingway Group), which has over 40 years of industry history. Established in 1979, Kingway Group was the first manufacturer of thermal insulation materials north of the Yangtze River. This history provides us with decades of production experience and technical data, ensuring consistent product performance.
Our team includes 8 dedicated professional R&D engineers, 6 international sales consultants, and 230 production workers. This combination allows us to deliver high-quality products and provide technical and installation support for projects worldwide.
Kingflex Black Color Rubber Foam Insulation is manufactured using a specialized blend of Nitrile-Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC). This NBR/PVC matrix creates a dense closed-cell structure (exceeding 98% closed cells), which provides low thermal conductivity, high moisture resistance, and excellent physical durability.
| Property / Dimension | NBR/PVC Foam Tube Standard | NBR/PVC Foam Sheet Roll Standard |
|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.035 W/(m·k) at 0 °C | ≤ 0.035 W/(m·k) at 0 °C |
| Closed-Cell Rate | ≥ 98% | ≥ 98% |
| Service Temperature Range | -40 °C to +105 °C (Cryogenic variants to -200 °C) | -40 °C to +105 °C (Cryogenic variants to -200 °C) |
| Density | 40 - 55 kg/m³ | 40 - 55 kg/m³ |
| Thickness Availability | 9mm to 40mm | 6mm to 50mm |
| Inner Diameter (ID) / Width | 6mm to 114mm (ID) | 1.0m / 1.2m / 1.5m Width (Custom options available) |
| Moisture Resistance Factor | μ ≥ 10,000 (Vapor Barrier Built-in) | μ ≥ 10,000 |
| Fire Safety Rating | Class 0 / Class 1 (BS 476), V-0 (UL94) | Class 0 / Class 1 (BS 476), V-0 (UL94) |
Our formulation is refined to prevent cracking over time. By incorporating specific anti-aging and UV-resistant compounds, the cellular network remains flexible throughout its service life of 10 to 15 years, maintaining consistent thermal performance.
Using computerized extrusion lines, we maintain uniform cell density and wall thickness across our entire product range. This consistency provides reliable thermal protection and simplifies installation for on-site contractors.
Kingflex offers standard insulation solutions along with specialized products designed for high-demand environments. These products are divided into two main categories: Black Rubber Foam Sheets & Rolls and Black Rubber Foam Insulation Pipes.
Dimensions & Material: NBR/PVC, 6mm to 50mm thickness, density of 40-55 kg/m³, suitable for service temperatures from -40℃ to 105℃.
Dimensions & Material: NBR/PVC, 9mm to 40mm thickness, Inner Diameter (ID) ranging from 6mm to 114mm, density of 40-55 kg/m³, rated for temperatures from -40℃ to 105℃.
Kingflex materials are tested and certified by international authorities to meet global building and industrial standards. Compliance with fire safety, chemical composition, and environmental regulations ensures that our insulation systems are approved for use in commercial and public infrastructure projects worldwide.
Our commitment to quality is demonstrated by our client communication, shipping inspections, and field verification. Below are project images and shipping documentation showing our global operations.
Our elastomeric insulation sheets provide noise reduction and thermal protection when wrapped on large-diameter pipelines and rectangular ductwork. The closed-cell structure helps reduce noise transmission and vibrations from high-velocity airflow in commercial buildings.
These pipes are split or slipped onto copper and steel runs. They are designed to prevent heat loss, frost buildup, and condensation on cooling pipes, helping to maintain efficient thermal performance across all HVAC installations.
View our insulation solutions installed in global commercial facilities, cold storage systems, and industrial processing plants.
Explore our specialized elastomeric options, cryogenic wraps, and rock wool insulation products.
Standard thickness options for common commercial HVAC and hydronic piping setups.
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Compounded to resist chemical exposure in industrial and processing plants.
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High flexibility grade for complex geometric pipe routes and tight-space runs.
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Traditional closed-cell NBR/PVC pipe insulation for standard building requirements.
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High expansion foam design providing lower density and increased flexibility.
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Designed to control condensation in residential and commercial AC systems.
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Multi-layer system designed for ultra-low temperature storage applications.
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Remains flexible at low temperatures to prevent cracking and structural failure.
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Designed to insulate LNG lines and ultra-low temperature chemical pipes.
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Limits thermal transfer on cold supply pipes in marine and processing sites.
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High-temperature mineral fiber boards designed for heat resistance and fire wall stops.
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Flexible mineral wool wrap designed for industrial furnaces and steam pipelines.
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We supply global distributors, mechanical contractors, and engineering firms with thermal insulation systems.
Request technical sheets and pricing for our full line of elastomeric insulation tubes, sheets, and cryogenic systems.
