Explore our high-performance closed-cell elastomeric tubes, sheets, and thermal barrier systems optimized for global operations.
In high-density industrial and commercial developments, insulation integrity hinges on the performance of joints, turns, and valves where thermal leaks occur.
Continuous line insulation requires high-strength self-adhesive elastomeric lagging tape. By wrapping critical pipe joints, valves, and branches, operators eliminate thermal bridging and maintain a complete vapor barrier, reducing energy loss in heating and cooling applications.
Chilled water systems operating in humid environments are prone to surface condensation, leading to mold growth and pipe corrosion. Elastomeric closed-cell structures restrict moisture absorption (vapor transmission factor μ ≥ 10,000), keeping insulation dry.
Our PVC and NBR based foam lagging tapes and sheets comply with rigorous flame-retardant standards globally, including BS 476 Part 7 Class 0, UL94 V-0, and ASTM E84 parameters, ensuring low smoke emission and high self-extinguishing behavior.
Decades of manufacturing expertise, advanced automated lines, and a dedicated team of engineers serving international markets.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research development and production center is located in Dacheng, China, the capital of green building materials. As an energy-saving, environmentally friendly enterprise, we focus on the research, development, production, and sale of premium elastomeric systems. Taking energy saving and consumption reduction as our core concept, Kingflex provides advanced solutions through custom formulation, installation guidance, and technical post-sale services globally.
Today, Kingflex relies on eight professional R&D engineers, six international trade specialists, and a production force of over 230 technicians to supply global builders, commercial contractors, and industrial plants.
Our manufacturing complex houses five high-speed automated extrusion lines, enabling consistent foaming densities, precise dimensional tolerances, and uniform cell structures. We are an approved manufacturing partner designated by major national ministries (Energy, Electric Power, and Chemical Industry) for infrastructural projects.
Our R&D department continues to develop custom blends, including UV-resistant jackets, fiber reinforced skins, and cryogenic formulations suitable for extreme industrial environments down to -200°C.
Understand the chemical formulation, physical parameters, and application criteria for Kingflex closed-cell elastomeric systems.
| Property | NBR/PVC Elastomeric Foam | Rock Wool Systems | Test Methods Reference | |||
|---|---|---|---|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/m·K at 0°C | ≤ 0.044 W/m·K at 70°C | ASTM C177 / ASTM C518 | -40°C to +105°C | Up to +650°C | ASTM C411 |
| Moisture Resistance (μ) | ≥ 10,000 (Closed-cell structure) | Water Repellent Rate ≥ 98% | BS EN 12086 / ASTM E96 | |||
| Fire Classification | Class 0 (BS 476 Part 6/7) / V-0 (UL94) | Non-combustible Class A1 | BS 476 / EN 13501-1 | |||
| Density | 40 - 55 kg/m³ | 80 - 150 kg/m³ | ASTM D1622 / ASTM C302 | |||
| VOC Emissions | Low VOC / Halogen-Free options available | Zero Organic Emissions | RoHS / REACH Compliance |
With an even and full foaming process achieving a closed-cell rate of over 98%, air movement inside the cells is minimized, maintaining a stable long-term low thermal conductivity coefficient.
Our pipe lagging tapes and tubes offer compression resilience exceeding 80%. This elasticity facilitates quick wrapping round elbows and tees without sacrificing physical insulation thickness.
Formulated without added chlorides or fluorides, Kingflex elastomeric materials eliminate under-insulation corrosion (CUI) risks on stainless steel and copper piping systems.
How global engineering, procurement, and construction (EPC) contractors optimize insulation choices for mega-projects.
In large-scale commercial developments (hotels, medical complexes, data centers), procurement managers look for single-source suppliers capable of delivering both thermal sheet rolls and matching self-adhesive lagging tapes. This ensures visual uniformity, consistency in fire certifications, and chemically identical thermal behaviors.
For LNG containment systems, food processing hubs, and clean rooms, cryogenic insulation is vital. Kingflex designs high-performance multi-layered elastomeric systems that maintain elasticity at cryogenic ranges (down to -200°C), preventing thermal cracking and moisture ingress that could compromise system performance.
Kingflex products have successfully resolved thermal loss, condensation, and sound issues in construction, petrochemical, and defense installations.
Commonly applied to large diameter air ducts, machinery housing, and underground chiller networks. Standard dimensions feature thickness parameters from 6mm to 50mm, with densities calibrated to 40-55kg/m³. Its NBR/PVC composition provides a wide service temperature range of -40°C to 105°C, ensuring protection against freezing in low-temperature lines and reducing heat gains in hot water loops.
Engineered for standard pipe configurations with inner diameters (ID) from 6mm to 114mm. These closed-cell sleeves fit over copper tubing and steel mains. When joints are sealed with matching self-adhesive Kingflex lagging tape, the pipe network becomes a continuous, moisture-impervious thermal envelope.
Every square meter of Kingflex insulation is trace-tested to maintain international standards for construction and industrial environments.
Our rubber plastic foam materials undergo test cycles at independent third-party laboratories to check fire resistance, vapor permeability, and structural integrity. Kingflex has secured international certifications such as BS 476, CE, REACH, RoHS, UL94, and ASTM. This compliance makes our product line suitable for specification-heavy installations in European and North American territories.
Additionally, each batch of raw NBR/PVC polymer is marked with serial tracking, providing raw material traceability from raw stock to finished site installation.
A visual tour through our state-of-the-art facilities, QA inspections, and logistics pathways.
Direct chat snippets and customer responses highlighting our service and delivery performance.
Common inquiries from design engineers, purchasing managers, and distributors regarding Kingflex systems.
Discover more specialized thermal materials designed to optimize energy efficiency and control condensation.
Kingflex