Kingflex
Explore our foundational range of thermal and acoustic mitigation solutions engineered for high performance, ease of installation, and compliance with ASTM and BS fire safety standards.
Global demand patterns are evolving towards advanced elastomeric solutions. Discover the key technological trajectories governing the high-performance thermal insulation sector.
Modern building codes (such as ASHRAE 90.1, IECC, and European EN standards) require structural thermal envelopes to optimize carbon neutrality. Traditional insulation systems are being replaced by Closed-Cell NBR/PVC structures due to their inherent resistance to moisture permeability without external vapor barriers. With a closed-cell ratio exceeding 98%, our elastomeric foams prevent interstitial condensation, mitigating the risk of Corrosion Under Insulation (CUI) in industrial applications.
Global procurement directives, particularly within the EU, mandate strict RoHS, REACH, and low-VOC emissions. Halogen-free thermal insulation rolls are increasingly specified in public infrastructures, high-rise residential properties, and maritime systems to limit toxic smoke propagation during fire hazards.
Industrial processing installations, LNG transport lines, and aerospace facilities require thermal control at extreme temperatures down to -196°C. Formulations must maintain elastic structural flexibility at these thresholds to counter severe shrinkage, shear cracks, and sudden structural breakdown.
Open-cell NBR/PVC structured panels serve a dual purpose: high thermal efficiency combined with sound absorption. Heavy mechanical HVAC rooms, pump houses, and sub-deck pipelines rely on these specialized composites to absorb mid-to-high frequency airborne noises.
A premier industry manufacturing and trading collective, specializing in low-emission, highly energy-efficient elastomeric formulations for global construction and industrial environments.
Kingflex Insulation Co., Ltd. is a dedicated manufacturer and global supplier of high-grade thermal insulation products. Headquartered in Dacheng, China—historically recognized as the capital of energy-efficient green building materials—our operations integrate cutting-edge R&D with strict quality assurance to produce materials that reduce carbon footprints across diverse industrial applications.
Established by the Jinwei Group, which has served the global market since 1979, Kingflex is backed by over 40 years of pioneering technical expertise. We were among the first thermal insulation manufacturers established north of the Yangtze River, growing from regional production lines to a global leader in elastomeric polymers.
Currently, our facility houses 5 large-scale automated assembly lines. Kingflex is designated as a certified partner for insulation solutions by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry of China.
Equipped with 8 expert chemical and mechanical engineers in our research division. Our facility produces customized elastomeric formulations optimized for density, moisture protection, and fire safety compliance.
Over the past 16 years, our dedicated export division has supplied commercial and industrial insulation projects across 66 countries, offering comprehensive compliance documentation and shipping protocols.
Our operation is run by a skilled team of 230 manufacturing specialists and 6 dedicated international sales representatives, ensuring high-quality support from design phase to delivery.
Our products are engineered to perform under demanding conditions across civil commercial properties and heavy engineering systems.
Designed for central air-conditioning air ducts, chilled water systems, and hot/cold plumbing pipelines. Kingflex prevents condensation buildup on cold surfaces and provides thermal control to minimize energy loss.
Supplying Dienes rubber foam systems designed to insulate low-temperature liquefied gases, chemical process pipes, and cold chain shipping assemblies down to deep sub-zero environments.
Delivering high-durability thermal insulation, corrosion resistance, and structure-borne sound mitigation across complex manufacturing facilities, power stations, and steam pipelines.
Reference sheet summarizing the physical properties of our standard NBR/PVC elastomeric formulations.
| Property Parameter | Value Standard | Testing Reference Method |
|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·k) at 0 °C | ASTM C518 / ISO 8301 |
| Moisture Resistance Factor (μ) | ≥ 10,000 (μ-value) | EN 12086 / ASTM E96 |
| Fire Performance Rating | Class 1 / Class O / V-0 | BS 476 Part 7 / UL 94 / ASTM E84 |
| Working Density Range | 40 - 55 kg/m³ | GB/T 6343 |
| Service Temperature Limit | -40 °C to +105 °C (Special formulations to -196 °C) | ASTM C411 |
| Compression Resilience | ≥ 80% recovery under test load | ASTM D1056 |
| Halogen Free Availability | Halogen-Free options available upon specification request | EN 14582 (Low toxicity profiles) |
Our standard NBR/PVC rubber foam rolls are manufactured in continuous sheet formats with customizable thickness parameters ranging from 6mm to 50mm. Integrated self-adhesive backing options (using high-tack reinforced adhesive mesh) can be selected for rapid application to large rectangular duct systems.
Verified physical testing infrastructure and structural credentials ensuring project compliance.
Our in-house R&D lab runs constant batch evaluations covering critical parameters including density consistency, cell structure morphology, fire propagation resistance, and thermal performance testing. By maintaining these strict quality controls, Kingflex delivers reliable insulation performance for critical engineering systems.
All Kingflex materials comply with major testing standard frameworks, including BS 476, CE, REACH, RoHS, UL94, and ASTM. This level of quality assurance simplifies the engineering approval process for global mechanical consultants.
View our products applied on major projects globally, showcasing Kingflex quality across central air conditioning ducts, cooling tower water supplies, and cryogenic piping lines.
Specific dimensional designs, advantages, and applications of our core manufactured insulation configurations.
Kingflex Standard Dimension Parameters:
Material Compound: Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) Elastomeric Matrix
Production Thickness Available: 6mm to 50mm
Standard Density Range: 40-55 kg/m³
Applicable Service Temperature Range: -40℃ to +105℃
Key Material Advantages:
Standard Application Fields:
Kingflex Standard Dimension Parameters:
Material Compound: Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) Elastomeric Matrix
Production Thickness Available: 9mm to 40mm
Inner Diameter (ID): 6mm to 114mm (Standard piping profiles)
Standard Density Range: 40-55 kg/m³
Applicable Service Temperature Range: -40℃ to +105℃
Key Material Advantages:
Standard Application Fields:
Documented transaction records, service responses, and packaging protocols for export orders.
We prioritize transparency and prompt response times. Our logistics division provides real-time transaction tracking, photographs of container loading operations, and verified delivery records for all international orders.
Expert answers addressing the primary design, application, and structural properties of our products.
Complete project solutions including adhesives, specialized low-temperature sheets, and standard plumbing insulation jackets.
In addition to our core elastomeric range, we supply certified mineral fiber solutions for high-temperature safety applications.
High-density structural core insulation slabs designed for commercial exterior walls and high-temperature industrial furnaces. Non-combustible mineral fibers provide excellent thermal insulation and structural fire safety.
Flexible, wire-reinforced rock wool blankets designed to wrap around high-temperature process pipelines, steam drums, boilers, and irregular exhaust systems.
