Engineered high-performance nitrile rubber foam insulation options for severe-environment thermal control and fire hazard mitigation.
Years of Industrial History (Est. 1979)
Annual Production Capacity (m³)
Exporting Destination Countries
Automatic Assembly Production Lines
The global fireproof pipe wrap industry is witnessing a transformative shift towards high-efficiency, halogen-free, elastomeric solutions. Modern building envelope codes (such as BS 476, UL 94, and ASTM E84) demand materials that provide both excellent thermal barrier properties and proactive flame retardance. The integration of NBR/PVC closed-cell foam technology has replaced legacy open-fibrous insulation wrap in critical applications, avoiding moisture absorption and preventing Corrosion Under Insulation (CUI). Current global initiatives are strongly emphasizing the reduction of VOC emissions and compliance with REACH and RoHS standards, making modern synthetic elastomeric wraps the preferred standard.
Industrial procurement departments globally require scalable insulation systems designed for rapid deployment, reliable life-cycle longevity, and strict certification alignment. In heavy process engineering, pharmaceutical, marine, and commercial HVAC sectors, engineers prioritize traceability and standard compliance. The risk of thermal failure demands custom thicknesses (from 6mm up to 50mm) and high moisture-resistance factors ($\mu \ge 10,000$). Sourcing professionals optimize for suppliers who can guarantee structural uniformity, high volume consistency, and robust international logistical logistics channels to minimize project lead times.
By leveraging advanced cyber-physical production pipelines, China’s industrial insulation factories have shifted to Factory 4.0 paradigms. At Kingflex’s Dacheng production facility, we operate 5 high-throughput automatic assembly lines, producing over 600,000 cubic meters annually. This automation ensures structural cell uniformity across thin rolls and complex piping configurations, driving thermal conductivity ($\lambda$) down to $\le 0.034 \text{ W/(m}\cdot\text{K)}$ at $0^\circ\text{C}$. Our supply chain resilience provides predictable pricing structures, custom OEM versatility, and dynamic logistics coordination, insulating global projects against supply chain shocks.
From deep cryogenics in liquefied gas transport to superheated steam pipelines in chemical plants, the localized application of rubber foam is widespread:
1. HVAC and Refrigeration: Prevents pipe condensation and preserves chilled water thermal margins in humid environments.
2. High-Rise Construction: Serves as a vital flame retardant wrap inside vertical duct pathways.
3. Heavy Chemical Processing: Resists chemical vapor penetration and controls acoustics.
4. District Heating & Cryogenics: Acts as the primary cold/thermal barrier down to ultra-low temperatures.
Standard mineral fiber wraps and fiberglass products fail to prevent moisture transmission. Closed-cell elastomeric technology forms a dense, integrated water-vapor barrier. By polymerizing high-grade Nitrile-Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC), we create an isotropic, flexible cell matrix. This structures limits air circulation internally, which provides thermal stability across a spectrum from $-40^\circ\text{C}$ to $+105^\circ\text{C}$. With compression resilience ratings exceeding 80%, the material maintains its structural profile under mechanical stress, ensuring long-term thermal shielding and acoustic dampening without settling or deteriorating over time.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex's research development and production departments are located in Dacheng, China, a well-known capital of green-building materials. We are an energy-saving, environmentally friendly enterprise concentrating on research and development, production, and sales. In operation, Kingflex takes energy saving and consumption reduction as its core concept. We provide insulation solutions by means of consultation, R&D production, installation guidance, and post-sale service to lead the development of the global building materials industry.
Established under the umbrella of the Jinwei Group, which possesses more than 40 years of industrial history, Kingflex benefits from a long-standing legacy of manufacturing excellence. Jinwei Group was established in 1979 as the first manufacturer of thermal insulation materials north of the Yangtze River. Today, Kingflex is a designated production enterprise trusted by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Our facility runs multiple synchronized extrusion and foaming systems. Through advanced process engineering, we guarantee structural uniformity in all NBR/PVC sheets and pre-formed tubes. This micro-cellular structures resists the mechanical stresses of installation and long-term pipeline thermal expansion/contraction cycles. We also support localized custom modifications to meet specific project guidelines, ensuring that industrial clients receive quotes tailored exactly to their design envelope requirements.
Underpinned by rigorous engineering. Our products undergo extensive testing to conform to global safety and environmental regulations.
Our dedicated team of 8 professional engineers in the R&D Department continuously iterates on polymer physics, searching for formulations that improve fire retardance while maintaining high flexibility. Together with our 6 professional international sales coordinators and 230 production specialists, we ensure that every customer receives technical alignment and post-sales support.
All Kingflex products have passed rigorous test sequences, demonstrating compliance with BS 476, CE, REACH, RoHS, UL94, and ASTM standards. This compliance ensures that our fireproof pipe wraps and sheet insulation are approved for installation in high-spec commercial, chemical, and public infrastructure developments globally.
Real-time interactions and verification showing our responsive customer support and end-to-end trace history.
Engineered options designed for both standard piping systems and complex structural HVAC projects.
Optimized for ducting networks, machinery rooms, large-diameter piping systems, and acoustic dampening partitions.
| Parameters | Specifications |
|---|---|
| Material Composition | NBR/PVC Elastomeric Foam |
| Available Thickness | 6mm to 50mm |
| Density Profile | 40kg/m³ - 55kg/m³ |
| Service Temp Limit | -40℃ to 105℃ |
| Flame Retardance | Class 0 / Class 1 (BS 476), Self-extinguishing |
| Moisture Resistance | Low thermal conductivity & high moisture barrier |
Formulated for direct slide-on or slit-and-glue installation over copper, steel, and multi-layer plastic lines.
| Parameters | Specifications |
|---|---|
| Material Composition | NBR/PVC Elastomeric Foam |
| Wall Thickness | 9mm to 40mm |
| Inner Diameter (ID) | 6mm to 114mm |
| Density Profile | 40kg/m³ - 55kg/m³ |
| Service Temp Limit | -40℃ to 105℃ |
| Key Advantage | Prevents cracking, controls condensation, reduces energy loss |
Ensuring constant product quality and quick global dispatch through our manufacturing infrastructure.
Helping procurement managers and system engineers resolve technical and compliance questions.
Review our detailed spec sheets below and request custom project quotes.
A complete suite of rubber elastomeric tubes, sheets, and complementary systems for soundproofing and heavy thermal shielding.
Securing global logistics and high-volume dispatch operations.
Kingflex