Kingflex
Kingflex
Engineered for high temperature resistance, cryogenic systems, and acoustic barrier control.
Modern building services design places heavy emphasis on building thermodynamics, energy conservation, and system longevity. HVAC piping systems represent critical vectors of energy transfer within commercial complexes, district heating systems, process plants, and marine infrastructure. Uninsulated or poorly insulated pipelines lead to massive convective and conductive thermal losses, causing excessive refrigeration loads or energy wastage in steam loops.
Globally, strict green building compliance certifications (such as LEED, BREEAM, and DGNB) require high thermal performance with extremely low thermal conductivity values (λ ≤ 0.035 W/(m·K) at 0°C). Furthermore, mechanical engineers look closely at moisture diffusion resistance factors (μ-value) to prevent moisture ingress that causes Corrosion Under Insulation (CUI)—a quiet threat that destroys metallic pipe walls and triggers structural failures in industrial installations.
Dacheng County in Hebei, China, is widely recognized as the capital of energy-saving building materials. By gathering raw material supply chains, advanced foaming technology research institutes, and automated production machinery manufacturers, Dacheng produces exceptional cost-performance ratios for global construction projects.
Operating in this competitive ecosystem, Kingflex Insulation Co., Ltd. integrates research, development, and high-volume output. Utilizing continuous vulcanization and foaming technology, our factory achieves consistent density profiles and uniform cell structures across all elastomer sheets and tubes. This precise manufacturing setup eliminates the density fluctuations common in manual small-batch extrusion plants.
Engineered to deliver high physical performance, flame retardant features, and moisture barriers.
| Performance Properties | Nitrile Elastomeric Foam (NBR/PVC) | Industrial Rock Wool Core | Testing Standards |
|---|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0°C | ≤ 0.044 W/(m·K) at 70°C | ASTM C518 / ISO 8301 |
| Moisture Resistance (μ) | ≥ 10,000 (Closed-cell structure) | Water repellent options available | BS EN 12086 / DIN 52615 |
| Fire Safety Rating | Class 0, Class 1, Self-extinguishing | Non-combustible Class A1 | BS 476 Part 7 / UL94 / ASTM E84 |
| Working Temp. Range | -40°C to +105°C | Up to +650°C (High temp limit) | ASTM C411 / EN 14706 |
| Compression Resilience | Over 80% recovery rate | Structural rigidity variants | ASTM C165 |
Designed to perform in diverse environments, from commercial offices to cryogenic process lines.
Engineered to prevent surface condensation on cold water piping, chiller loops, and complex ceiling ventilation systems. Our elastomer materials offer reliable acoustic decoupling properties to reduce mechanical vibration sounds in buildings.
Designed for ultra-low temperatures down to cryogenic limits. These customized multi-layer structures control thermal gain in LNG transfer lines, preventing ice buildup and structural stress under low temperature cycles.
Ideal for chemical refineries and high-temperature steam lines. Our heavy-duty rock wool sections provide thermal protection up to 650°C, maintaining thermal balance and improving energy efficiency across high-temperature process plants.
Behind every product batch lies structured testing, raw material validation, and tracing compliance.
At Kingflex, quality management is integrated into our daily production workflow. Our onsite engineering team runs continuous batch tests on cell uniformity, thermal conductivity, and tensile strength. We run aging tests to confirm that the material retains its flexibility and thermal efficiency across a long service lifetime (typically 10 to 15 years).
Our raw material sourcing aligns with eco-friendly principles, eliminating VOC emissions, ozone-depleting substances, and heavy metals. This ensures compliance with EU RoHS and REACH regulations, allowing global contractors to specify Kingflex in environmentally sensitive projects.
Kingflex insulation meets global regulatory codes and quality certifications.
Detailed technical specifications for our elastomeric sheets and tubular structures.
Material Composition: Premium NBR/PVC blend
Thickness Range: 6mm - 50mm
Density Limits: 40 - 55 kg/m³
Operating Temperature: -40℃ to 105℃
Key Advantages: Fully closed-cell structure (98%+ rate) prevents water ingress and ensures long-term thermal properties. Offers high elasticity (80%+ compression resilience) and flame-retardant performance.
Material Composition: High-Performance NBR/PVC
Wall Thickness: 9mm - 40mm
Internal Diameter (ID): 6mm - 114mm
Density Limits: 40 - 55 kg/m³
Key Advantages: High moisture resistance factor controls cold pipe sweating in high humidity. Reduces thermal bridging at mechanical support points and protects pipes from freezing damage.
Browse our core insulation range designed to meet standard MEP specifications.
Connecting specialized manufacturing with localized supply chain requirements across Europe, Asia, and the Americas.
Our workforce combines industry experience with specialized technical skills. Kingflex maintains 8 professional R&D engineers, 6 international sales consultants, and 230 production workers. Under the Jinwei Group (founded in 1979), we offer direct technical support to assist design firms in selecting insulation profiles that align with regional environmental conditions.
We work closely with project teams on tracking and compliance. From receipt of order down to final installation, every container of Kingflex elastomeric foam and rock wool is assigned a tracking batch ID. This traceability ensures raw materials, chemical formulations, and test logs can be reviewed whenever required by municipal building inspectors.
Verified purchase communications showing project design support and technical consulting.
A look inside our Hebei production facility showing automated processing, storage, and QA checks.
Detailed answers to common questions about materials, specification standards, and commercial order terms.
We supply thermal insulation materials to global infrastructure and commercial developments.
Industrial thermal sheets, anti-aging tubes, and sound insulation materials for diverse project needs.
