Engineered elastomeric foam materials with high thermal resistance and complete moisture mitigation, available for global distribution.
Modern infrastructure requires robust thermal isolation to control energy consumption, minimize condensation damage, and prevent moisture ingress. Globally, industrial plants and architectural engineers are moving away from traditional fibrous materials toward Nitrile Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC) composites. These high-density, closed-cell materials form a built-in vapor barrier, providing long-term insulation efficiency.
As cooling, HVAC, and cryogenic systems scale worldwide, the demand for flexible, reliable insulation tubes is growing. Whether keeping sub-zero lines isolated from hot humid air or preventing heat loss in steam lines, the closed-cell configuration maintains steady thermal conductivity ($\lambda \le 0.034$ W/m·K) by keeping ambient moisture out of the insulation core.
How Dacheng's green-building material cluster delivers cost-efficiency, scale, and high quality to global buyers.
Operating 5 continuous high-speed automatic production lines enables Kingflex to manufacture over 600,000 cubic meters of high-density foam annually, ensuring fast lead times for bulk orders.
Products are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM. This guarantees compliance with strict fire safety and chemical emission regulations for high-density public structures.
8 dedicated R&D engineers refine material formulations to maintain a closed-cell rate above 98% and compression resilience above 80%, outperforming generic insulation options.
Selecting the right insulation material depends on key physical properties: thermal conductivity, fire performance, water vapor resistance, and operating temperature range.
Kingflex elastomeric foam maintains stable thermal conductivity across temperature fluctuations, preventing thermal bridging. Its high water vapor diffusion resistance ($\mu \ge 10,000$) eliminates the need for external vapor barriers, protecting pipes from under-insulation corrosion (CUI).
For high-temperature lines or industrial installations, we also offer specialized rock wool insulation blankets and boards to provide reliable fire protection and high thermal resistance.
| Parameter | NBR/PVC Elastomeric Foam | Traditional Rock Wool | ASTM/Standard Compliance |
|---|---|---|---|
| Thermal Conductivity ($\lambda$) | $\le 0.034$ W/(m·K) at 0°C | $\le 0.040$ W/(m·K) at 70°C | ASTM C518 / ISO 8301 |
| Service Temperature Range | -40°C to +105°C (Cryogenic down to -200°C) | Up to +650°C | ASTM C533 / BS 476 |
| Water Vapor Permeability | $\mu \ge 10,000$ (Built-in Vapor Barrier) | High Permeability (Requires Barrier) | ASTM E96 / EN 12086 |
| Density Range | $40 - 55\text{ kg/m}^3$ | $60 - 150\text{ kg/m}^3$ | ASTM C303 |
| Fire Performance Rating | Class 0 / Class 1 / B1 Self-extinguishing | Non-combustible (Class A1) | BS 476 Part 7 / UL 94 |
| Structure | Closed-cell ($\ge 98\%$ rate) | Fibrous / Open-cell | Microscopic Verification |
A look at the numbers behind our international supply operations.
Established by the Jinwei Group (founded 1979), Kingflex Insulation Co., Ltd. operates a large manufacturing base in Dacheng, China. Our facilities produce standard and customized thermal and cryogenic insulation solutions for clients in HVAC, industrial piping, chemical processing, and LNG storage.
Our insulation systems are designed to meet the rigorous demands of global industrial and commercial projects.
Designed for temperatures down to -200°C, preventing boiling and condensation in liquid natural gas (LNG) transport and low-temperature process lines.
Provides condensation control and reduces energy losses on chilled water pipes, hot lines, and air ducts in hotels, hospitals, and high-rise developments.
Delivers mechanical resilience and chemical protection in petroleum, chemical processing, and maritime applications, helping prevent corrosion under insulation (CUI).
A view into our testing centers, product design processes, and certification credentials.
Designed for large-diameter pipelines, ventilation systems, and complex equipment geometries.
Uniform foaming ensures a closed-cell rate above 98%, providing consistent thermal insulation. The moisture-resistant design limits water absorption, ensuring long-term thermal performance. Additionally, it offers high compression resilience (over 80%) and reliable flame-retardant properties.
Pre-formed slide-on tubes designed for rapid installation on HVAC lines and industrial pipes.
An even inner coating facilitates smooth sliding onto copper and steel pipes. With a low thermal conductivity and high moisture resistance factor, it reduces heat transfer and minimizes the risk of pipe freezing, condensation, and cracking.
We work closely with global procurement teams, keeping operations transparent from contract signing to final inspection.
We provide global clients with direct access to production updates and shipping timelines. In addition to standard documentation, we offer real-time order tracking and verified communication logs.
Each batch of elastomeric foam undergoes rigorous testing before shipment, including checks for thickness, density, and cell structure consistency. Inspection reports are provided directly to the client's quality assurance team.
Technical answers to common insulation questions from engineers, specifiers, and procurement managers.
Insulation products designed for extreme temperatures, cryogenic storage, and harsh industrial environments.
Connect with our engineering and sales teams to request a quote, order samples, or discuss custom requirements.
Contact Our Technical Sales Team
Kingflex
