Kingflex
Kingflex
Explore our top-tier fire retardant elastomeric sheets, rolls, and pipes for industrial, commercial, and HVAC operations.
In structural safety and industrial project design, thermal insulation is no longer evaluated solely by its thermal barrier properties. The integration of Class 0 Fire Rating Materials has transitioned from a structural safety recommendation to a stringent global regulatory mandate. This structural classification represents the highest standard of fire performance for materials used in lining ceilings, walls, and HVAC ducts.
A "Class 0" rating, primarily determined under British Standard BS 476 (Parts 6 & 7), implies that a material does not merely resist flame spread on its surface, but additionally exhibits extremely low heat release rates under direct flame exposure. Specifically, it must achieve:
"Integrating Class 0 materials in high-occupancy structures (hospitals, schools, airports) reduces the risks of fire propagation via HVAC duct networks, safeguarding human lives by reducing toxic gas emissions and delaying flame flashover limits."
Deciphering the shifting dynamics of fire safety regulations and procurement demands across major continents.
B2B procurers in the Middle East (especially GCC countries), Southeast Asia, and the UK are strictly mandating third-party certified Class 0 rubber foam for HVAC installations. The transition from Class 1 to Class 0 is driven by building codes emphasizing minimal smoke toxicity.
There is a rising demand for composite insulation materials, such as rubber foam pre-laminated with heavy-duty aluminum foil. These systems offer superior mechanical protection, enhanced moisture barriers, and reduced onsite installation labor costs.
With massive investments in LNG terminals, biochemical facilities, and data center cooling infrastructures, procurement strategies now demand elastomeric insulation that maintains flexibility at temperatures as low as -200°C.
How Kingflex combines 40 years of manufacturing lineage with intelligent, high-capacity production lines.
Established under the aegis of the renowned Jinwei Group (founded in 1979), Kingflex represents over 40 years of pioneering research in thermal insulation north of the Yangtze River. Operating out of Dacheng, China—widely regarded as the green building materials capital—Kingflex operates as a high-tech combination of research, production, and international trade.
By leveraging continuous extrusion and automated vulcanization lines, our manufacturing process achieves unmatched cell uniformity. This cell architecture restricts moisture vapor transmission while trapping air pockets effectively, resulting in stable, long-term thermal conductivity values.
Our designated status as a trusted manufacturer for China’s Ministry of Energy, Ministry of Electric Power, and Ministry of Chemical Industry is a testament to our production standards. Our state-of-the-art facilities ensure:
Ensure your projects align with standard engineering specifications. Below are the physical and chemical values of Kingflex products.
| Parameters | Specifications |
|---|---|
| Material Composition | NBR (Nitrile Butadiene Rubber) / PVC Blend |
| Thickness Range | 6mm to 50mm |
| Density | 40 - 55 kg/m³ |
| Service Temp. Range | -40℃ to 105℃ |
| Closed-cell Rate | > 98% |
| Thermal Conductivity | ≤ 0.034 W/m·K at 0℃ |
| Moisture Resistance (μ) | ≥ 10,000 |
| Parameters | Specifications |
|---|---|
| Material Composition | NBR / PVC Blend |
| Thickness Range | 9mm to 40mm |
| Inner Diameter (ID) | 6mm to 114mm |
| Compression Resilience | > 80% |
| Fire Performance | Class 0 (BS 476 Parts 6 & 7) / Class V-0 (UL 94) |
| Acoustic Decibel Reduction | Up to 32 dB (Acoustic Foam Formulations) |
From deep cryogenic infrastructure to complex commercial HVAC ducts, see how Kingflex products perform across diverse industries.
Prevents surface condensation on air ducts while acting as an effective acoustic barrier to reduce airflow noise. The Class 0 fire rating ensures compliance with fire safety regulations for high-rise commercial structures.
Minimizes thermal loss in heavy chemical processing pipelines. The closed-cell material prevents ambient moisture ingress, protecting steel pipelines from under-insulation corrosion (CUI).
Designed for LNG processing systems and extreme low-temperature chemical vessels. Remains flexible and structurally stable at temperatures below -150°C, preventing thermal stress-induced cracks.
Offers dust-free and fiber-free acoustic attenuation. Completely hygienic and resistant to mold growth, making it ideal for hospital cleanrooms and airport passenger terminal lounges.
Ensuring product traceability and global standard compliance through continuous third-party testing.
Our dedicated R&D department features 8 professional engineers who continuously refine formulation chemistry. This focus allows us to supply complete energy-saving insulation systems globally. Over the past 16 years, we have built trusted relationships with global trade partners, supported by verified data transparency.
Transparent communication and prompt supply lead times make us a leading global B2B insulation supplier.
We recognize that procurement cycles require more than just quality materials. Kingflex provides technical consulting, detailed structural calculations, shipping coordination, and installation guidance.
Our professional international sales team works directly with freight forwarders to optimize shipping volumes, reducing transport costs and container space waste. We serve developers, engineering contractors, and OEM distributors alike.
Get clear answers to key technical questions about our Class 0 materials and procurement services.
Direct factory wholesaling on our full line of elastomeric foam, rock wool, and customized piping accessories.
