Kingflex
Kingflex
Explore our top-tier elastomer thermal tubes, cryogenic sheet rolls, and ULT (Ultra-Low Temperature) engineered systems direct from Dacheng's leading manufacturing hub.
A comprehensive analysis of closed-cell elastomeric structures, thermodynamic metrics, and anti-condensation mitigation strategies.
In modern industrial process engineering and commercial infrastructure design, the mechanical selection of high heat range thermal barriers and sub-zero cryogenic wraps plays a vital role. Ineffective insulation often leads to severe thermal bridging, thermal inefficiency, structural damage through Corrosion Under Insulation (CUI), and safety hazards. Choosing the right material requires a precise thermodynamic assessment, focusing on low thermal conductivity (expressed as λ ≤ 0.034 W/(m·K) at 0°C) and high water vapor permeability resistance (quantified by a μ-factor ≥ 10,000).
Kingflex Insulation Co., Ltd. uses a proprietary vulcanization and foaming process that blends Nitrile Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC). This produces a highly uniform closed-cell matrix (exceeding 98% closed cells) with excellent compression resilience (exceeding 80%). The material's flexibility makes it easier to install on complex manifolds, elbows, and industrial valves, which reduces labor costs and ensures seamless thermal protection.
Our NBR/PVC closed-cell structures trap micro-bubbles of inert gas, minimizing convective and conductive heat transfer. This ensures stable performance across a wide operating envelope (-40°C to 105°C).
Built-in resistance to moisture ingress prevents condensation on cold pipelines, which is a major cause of structural degradation in HVAC systems and industrial facilities.
Meets strict international safety standards, including BS 476, Class 0/1, and UL94 V-0 ratings. The material is self-extinguishing and produces low smoke toxicity in fire situations.
Operating from Dacheng, China—the capital of green-building materials—we combine large-scale production with custom engineering to meet international standards.
Our manufacturing operations are based in Dacheng, China's premier industrial hub for green-building products. This location provides access to a highly integrated ecosystem of raw material suppliers, specialized petrochemical feeds, and advanced logistics providers. By centralizing operations, we optimize bulk material sourcing, control overhead costs, and reduce turnaround times for high-volume export orders.
Our production facilities operate 5 large automatic assembly lines, delivering an annual production capacity of over 600,000 cubic meters. This scale allows us to supply global mega-projects while maintaining consistent quality. We are proud to be an authorized insulation supplier designated by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Our decades-long history underpins our technical expertise and commitment to product quality.
Kingflex was established by the Jinwei Group, which has a legacy of more than 40 years. Founded in 1979, the group was the first manufacturer of thermal insulation materials north of the Yangtze River. This history has built a deep understanding of insulation science.
Today, our team of 8 specialized R&D engineers, 6 international sales consultants, and 230 production personnel continues this legacy. We deliver high-quality products and support global energy conservation efforts.
Compare physical dimensions, density profiles, and thermal performance values for our primary elastomer offerings.
| Parameter | Value / Standard |
|---|---|
| Base Compound | NBR/PVC Elastomer Blend |
| Thickness Range | 6mm to 50mm |
| Nominal Density | 40 - 55 kg/m³ |
| Operating Temperature | -40℃ to 105℃ |
| Closed-Cell Rate | ≥ 98% |
| Compression Resilience | ≥ 80% |
| Parameter | Value / Standard |
|---|---|
| Base Compound | NBR/PVC Elastomer Blend |
| Wall Thickness | 9mm to 40mm |
| Inner Diameter (ID) | 6mm to 114mm |
| Operating Temperature | -40℃ to 105℃ |
| Flammability Rating | Class 0 / Class 1 / UL94 V-0 |
| Features | Even internal spray coating, anti-crack properties |
From commercial HVAC systems to extreme sub-zero cryogenic fluid transport.
Protects chilled water pipes, hot water systems, and HVAC ductwork against heat gain and surface condensation, ensuring efficient energy utilization.
Optimized for Ultra-Low Temperature (ULT) systems operating down to -200°C. Prevents ice formation and thermal shock in liquid nitrogen or LNG systems.
Provides noise reduction and insulation for structural walls, roof systems, basements, and mechanical plant rooms.
Protects high-temperature steam lines, chemical process reactors, and industrial storage tanks from heat loss and CUI.
Suitable for rail transit vehicles, shipping vessels, refrigerated storage facilities, and refrigerated logistics vehicles.
Delivers thermal protection, acoustics, and corrosion barrier mitigation for pipelines in aggressive environments.
Our products undergo strict testing to ensure they meet global performance standards.
We operate fully equipped R&D laboratories to run thermal conductivity, flammability, tensile strength, and water vapor permeability tests. Every batch of elastomeric foam is tested to confirm long-term stability and performance under load.
Our products meet major international standards, including BS 476, CE, REACH, RoHS, UL94, and ASTM. This compliance makes them suitable for high-specification projects worldwide.
We maintain quality management protocols throughout the production process to ensure traceability from raw materials to shipped goods.
Our physical manufacturing base, warehouses, and customer support channels operate 24/7.
Our support teams manage customer requests across different time zones. We provide design assistance, custom dimensioning, logistics planning, and installation support for commercial building projects.
We work closely with engineering consultants and construction managers to coordinate delivery schedules and ensure quality compliance for every batch.
We supply standard and custom insulation solutions designed for long-term reliability.
At present, Kingflex has 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters, and has become a designated production enterprise designated by the Ministry of Energy, the Ministry of Electric Power and the Ministry of Chemical Industry.
We coordinate directly with engineering and procurement teams to supply project-ready products that help maintain project timelines.
Supply customers all over the world with full set of energy saving insulation system solution. Supply integrated solution provider of thermal insulation, cold insulation and noise reduction for buildings and industries.
Our formulations comply with environmental guidelines (REACH, RoHS), contributing to LEED points on eco-conscious building projects.
Explore our full range of elastomeric rubber foam profiles, soundproofing materials, and rock wool options.
We maintain stock levels to support shipping demands and minimize lead times.
Answers to common technical questions about product selection, certifications, and capabilities.
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