Kingflex
Discover our wide selection of elastomeric foam tubes, cryogenic insulation components, and high-strength adhesive solutions.
In industrial and commercial thermal management, the performance of an insulation system is only as strong as its weakest joint. Elastomeric rubber foam systems—widely deployed for HVAC conduits, chilled water lines, acoustics, and cryogenic operations—rely completely on specialized insulation glue (bonding adhesive) to maintain vapor barrier continuity. When an adhesive bond fails, ambient humidity penetrates the system, leading to condensation, dramatic drops in thermal efficiency, and eventually, destructive Corrosion Under Insulation (CUI).
Thermal insulation adhesives are formulated using polychloroprene rubbers and volatile solvent matrices designed to yield exceptional cross-linking with elastomeric substrates like NBR (Nitrile Butadiene Rubber) and PVC blend foams. The contact adhesive operates via two-sided wet application, undergoing flash-off before bonding. This creates a cohesive chemical bridge that matches the flexibility, temperature resilience, and moisture resistance of the insulation board or tube itself.
For extreme settings, such as cold-chain pipelines or petrochemical cryogenic systems, standard commercial adhesives fail due to embrittlement. Kingflex and Jinwei Group engineers have developed specific adhesive compounds that retain shear strength and elastic resilience at temperatures as low as -40°C and as high as 105°C, ensuring a permanent vapor-tight seal.
Different architectural and mechanical environments demand distinct properties from bonding agents and elastomeric sheets. Below is how Kingflex insulation setups perform under specific field conditions:
Chilled water pipelines suffer from massive condensation. Our high-density NBR foam coupled with low-temp moisture-proof glue stops liquid ingress, keeping systems moisture-free and dry.
For cleanrooms, commercial malls, and high-rise structures, flame retardancy is vital. Kingflex components meet BS 476 and UL94 criteria to ensure self-extinguishing safety metrics.
Machinery rooms and air handling units generate structural vibration. Installing dense rubber foam sheets with continuous adhesive limits sound transmission and controls operational noise.
Established by the Jinwei Group (originating in 1979 as the first manufacturer of thermal insulation materials north of the Yangtze River), Kingflex has built a mature, highly integrated supply chain. Situated in Dacheng, China—the capital of green building materials—our production base covers the entire pipeline from raw NBR polymerization to custom compounding of rubber-bonding adhesives.
5 Large Automatic Assembly Lines: With an annual production capacity exceeding 600,000 cubic meters, Kingflex maintains continuous inventory pools, shielding global partners from shipping delays. Our centralized production model yields high economic value and guarantees uniform product batches.
Our elastomeric NBR/PVC foam materials are engineered to match top-tier structural standards globally. Here are the core specifications of our primary production outputs:
| Property Parameter | NBR/PVC Elastomeric Sheet | Elastomeric Foam Tube | Adhesive System (Insulation Glue) |
|---|---|---|---|
| Density Range | 40 - 55 kg/m³ | 40 - 55 kg/m³ | approx. 0.85 g/cm³ |
| Service Temp. Range | -40℃ to 105℃ | -40℃ to 105℃ | Up to 105℃ continuous |
| Thermal Conductivity | ≤ 0.034 W/(m·k) at 0℃ | ≤ 0.034 W/(m·k) at 0℃ | N/A (Joint interface thickness < 0.5mm) |
| Vapor Permeability Coeff. | ≥ 1.0 × 10¹⁰ g/(Pa·s·m) | ≥ 1.0 × 10¹⁰ g/(Pa·s·m) | Excellent absolute barrier properties |
| Fire Safety Rating | Class 1 / Class 0 (BS 476) | Class 1 (BS 476) | Flame retardant dry film |
| Thickness Available | 6mm - 50mm | 9mm - 40mm (ID: 6mm - 114mm) | Wet thickness ~ 150 microns |
Our dedicated Research and Development department features 8 professional materials engineers focused on optimizing thermal conductivity, flame resistance, and VOC control. Every batch of Kingflex rubber foam and thermal adhesive is subjected to quality testing before packing and shipping.
Our insulation products have successfully cleared global compliance testing frameworks, including:
For commercial projects, design institutes, and distributors purchasing thermal adhesives and insulation materials, logistics, stability, and pricing are critical metrics. Getting a quote involves balancing parameters like material density, thickness, volume, and local compliance requirements.
Select NBR density class, wall thickness, and adhesive packaging (cans/drums) based on project specs. Provide local code requirements (such as BS 476 Class 0) in your request.
Adhesives containing solvents are classified as flammable liquids. We assist with safety MSDS documentation and compliant maritime packing to ensure safe custom clearances.
Benefit from direct wholesale pricing. With 5 automatic assembly lines and scalable output, we offer optimized container consolidation and tiered bulk discount structures.
Our materials have been successfully applied in major global commercial HVAC and building insulation systems, proven by active field feedback.
Reliability is confirmed by client feedback. Below are screenshots of communication history verifying our order processing speed, tracking performance, and strict quality control measures:
Review our detailed technical solutions to frequent issues encountered in building insulation installations:
Browse our structural sheet rolls, cryogenic systems, and specialized industrial piping insulation solutions.
