Kingflex
In modern industrial and building engineering, thermal insulation is no longer just about thermal conductivity. The emergence of Aluminium Laminate Flame Retardant Insulation technology represents a paradigm shift. By fusing high-purity aluminum foil with closed-cell elastomeric rubber foam (NBR/PVC), manufacturers achieve dual-protection: an absolute vapor barrier and class-leading fire resistance.
The laminated outer shield acts as an impervious barrier against oxygen, UV rays, and external heat sources. When subjected to flame tests, this specialized compound effectively inhibits combustion, preventing heat radiation from penetrating the foam core and self-extinguishing immediately when the flame source is removed. This high-integrity composition is critical for applications where structural safety, chemical resilience, and long-term energy savings are non-negotiable.
Kingflex Insulation Co., Ltd. has stood at the forefront of this manufacturing transition, offering global supply solutions designed to withstand extreme environments, from high-temperature process pipelines to sub-zero cryogenic systems.
Established by the Jinwei Group, which boasts a historical lineage of more than 40 years, Kingflex was founded on a vision of energy conservation. The Jinwei Group, established in 1979, has the proud distinction of being the first thermal insulation materials manufacturer north of the Yangtze River. This rich operational experience translates into unparalleled production stability, raw material optimization, and compliance engineering.
Kingflex's advanced research and production center is strategically located in Dacheng, China—historically celebrated as the capital of green-building materials. Concentrating on R&D, advanced manufacturing, and global sales networks, Kingflex works with energy conservation and structural fire safety at its core. We go beyond mere material supply, providing consultancies, customized product R&D, detailed installation guidance, and dedicated post-sale support to lead the global building and industrial insulation sectors.
Kingflex operates under the Factory 4.0 philosophy, leveraging high automation to achieve consistent chemical density, perfect foil adhesion, and precise dimension control. Currently, the company operates 5 large-scale automatic assembly lines with an annual capacity exceeding 600,000 cubic meters.
This huge capacity makes Kingflex the designated supplier of choice for demanding government and private infrastructures, including critical approvals from the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry. With production lines running with automated monitoring, we guarantee that every batch of NBR/PVC foam sheets and tubes maintains a closed-cell rate exceeding 98%, offering predictable behavior under extreme thermal load.
In terms of logistics, our facility ensures rapid fulfillment times, robust container packaging, and traceably managed warehousing to secure global supply chains against supply-side shocks.
Standard foil laminates can suffer from delamination under thermal expansion and contraction. Kingflex utilizes a co-polymer hot-melt adhesive layer that chemically binds the aluminum foil to the NBR/PVC elastomer core, ensuring absolute stability from -40°C up to 105°C without adhesive degradation.
Moving toward strict green regulations, our R&D team is actively formulating halogen-free flame retardants that release non-toxic, water-vapor cooling agents when exposed to high heat. This reduces smoke density and toxic gas emission, which is crucial for public and marine infrastructure.
Our roadmap for the next decade centers on integrating bio-based polyols and recycled polymer matrices into the rubber-foam compound, minimizing carbon footprint while maintaining ASTM, UL94, and BS 476 fire compliance standards.
Compare the standard physical characteristics of Kingflex Rubber Foam Sheets and Pipe insulation lines designed with Aluminium Foil Lamination support.
| Parameter / Feature | Black Rubber Foam Sheet Roll | Black Rubber Foam Insulation Pipe |
|---|---|---|
| Material Base | Elastomeric NBR/PVC Rubber Foam | Elastomeric NBR/PVC Rubber Foam |
| Available Thickness | 6mm - 50mm | 9mm - 40mm |
| Inner Diameter (ID) | N/A | 6mm - 114mm |
| Foam Density | 40 - 55 kg/m³ | 40 - 55 kg/m³ |
| Service Temperature | -40℃ to 105℃ | -40℃ to 105℃ |
| Closed-Cell Rate | ≥ 98% | ≥ 98% |
| Moisture Resistance | Excellent (Built-in Vapor Barrier) | Prevents Condensation and Rust |
| Fire Retardancy Rating | Self-extinguishing (Class 0 / Class 1) | Flame retardant, low smoke toxicity |
Providing high-performance wall, roof, and basement thermal and sound insulation. Enhances HVAC duct energy conservation while meeting global fire codes for commercial malls, hotels, and hospitals.
Designed to resist harsh outdoor elements and chemical exposure. The protective laminate prevents corrosion under insulation (CUI) and resists oil and solvent splash hazards.
For applications down to -200°C. Prevents heat gain and water vapor migration to eliminate ice formation on critical liquefied gas lines and cold storage complexes.
High structural integrity and weight savings are crucial. Our lightweight NBR/PVC elastomer laminated structures deliver thermal performance and structural sound damping without heavy composite deadweight.
Our dedicated R&D lab consists of 8 professional engineers focusing on molecular formula design, aging tests, and flame testing.
Kingflex products undergo third-party auditing to achieve certification across major international regulatory regimes.
We actively comply with BS 476, CE, REACH, ROHS, UL94, and ASTM standards, guaranteeing traceability from raw chemical input to shipped finished insulation boards and pipes.
Our organization relies on the collective efforts of 230 production workers, 8 R&D engineers, and 6 professional international sales specialists. Together, our team ensures that Kingflex remains a top-tier supplier, capable of delivering custom fabrications and responding to specialized material bid sheets.
Over the past 16 years, we have built strong relationships with distributors and contractors in 66+ countries, offering end-to-end consulting, technical configuration data, and flexible custom dimensions.
Witness our high-density rubber foam and custom aluminum laminate installations across critical structural projects worldwide.
Material: NBR/PVC blend with option for adhesive backing & aluminum foil lamination.
Thickness Range: 6mm - 50mm
Density: 40 - 55 kg/m³
Service Temp Range: -40℃ to 105℃
Performance Advantages:
Material: Premium elastomeric NBR/PVC rubber foam tube.
Thickness Range: 9mm - 40mm
Inner Diameter: 6mm - 114mm
Density: 40 - 55 kg/m³
Performance Advantages:
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation to minimize heat transfer and control condensation.
Yes, our rubber foam insulation materials are fire retardant. They are engineered to meet safety standards for building and industrial projects, including BS 476, UL94, and ASTM requirements.
Rubber foam is flexible, closed-cell, and moisture-proof, making it suitable for HVAC and cold insulation. Rock wool is high-temperature resistant and fireproof, which is ideal for high-temperature industrial pipelines.
Yes, we offer comprehensive OEM services, allowing adjustments to density, sheet/pipe thickness, adhesive backings, and aluminum foil laminations based on your project specifications.
Our products are certified under BS 476, CE, REACH, ROHS, UL94, and ASTM. This ensures compliance with building codes and chemical safety regulations globally.
Yes, we maintain complete batch traceability. Every shipment can be tracked back to the chemical formulation date, raw material batch, and quality assurance logs.
We can manufacture elastomeric foam rolls in thicknesses ranging from 6mm to 50mm to meet various thermal calculation needs.
When properly installed and maintained under standard operating temperatures (-40°C to 105°C), our products provide an expected service life of 10 to 15 years.
Aluminum lamination acts as an absolute physical barrier against UV rays, mechanical impact, and chemical vapor penetration. It prevents corrosion under insulation (CUI) and enhances fire resistance by reflecting radiant heat.
We offer container loading optimization, customized size cutting, and complete testing certifications to support import compliance in Europe, the Middle East, and the Americas.
