Explore Kingflex flagship thermal and acoustic insulation range. High-durability engineering for diverse structural demands.
Kingflex Insulation Co., Ltd. stands as a premium global manufacturing and trading consortium specialized in cutting-edge thermal, cryogenic, and acoustic insulation solutions. Strategically situated in Dacheng, China—renowned as the capital of energy-efficient green building materials—our enterprise incorporates advanced research and development alongside scalable manufacturing lines.
We approach our operations from a foundational ethos: energy saving, carbon minimization, and optimized thermal performance. By integrating high-level consultation services, proprietary formula design, installation alignment, and reliable after-sales support, we continuously support massive architectural, HVAC, and deep-industrial facilities across sixty-six countries.
Our heritage traces back to the prestigious Jinwei Group, a thermal barrier pioneer established in 1979. Serving as the first industrial insulation manufacturer north of the Yangtze River, we maintain over 40 years of structural experience, ensuring every batch meets international construction, defense, and process piping compliance criteria.
How high-grade elastomeric closed-cell rubber foam mitigates condensation, thermal bridges, and operational carbon output across major industries.
Industrial systems and modern commercial buildings consume up to 40% of their operational budget on heating, cooling, and mechanical air handling. Kingflex low-thermal-conductivity materials minimize thermal heat transfer, lowering carbon output and stabilizing thermal profiles.
On cold-water networks and chilled water lines, ambient humidity presents structural risks. Our closed-cell matrices prevent vapor permeation and surface condensation, protecting pipeline infrastructure from corrosion under insulation (CUI).
We target stringent global standard metrics. Kingflex solutions align with the BS 476 flame-retardant standards, CE markings, REACH/RoHS health and safety limits, UL94 testing, and standard ASTM protocols, easing local project inspections.
Technical dimensional data and performance envelopes for Kingflex NBR/PVC elastomeric foam products.
Manufactured from NBR/PVC elastomer compound, these rolls offer long-term elasticity, high flexibility, and simplified application over flat panels, HVAC rectangular ducting, and massive storage tanks.
| Parameters | Value / Specifications |
|---|---|
| Material Formulation | Premium Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) |
| Sheet Thickness Range | 6mm to 50mm (Standard options: 9mm, 13mm, 19mm, 25mm, 32mm) |
| Apparent Density | 40 kg/m³ to 55 kg/m³ |
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0 °C |
| Service Temperature Limits | -40 °C to +105 °C |
| Closed-Cell Ratio | ≥ 98% for excellent moisture barrier performance |
| Compression Resilience | ≥ 80% recovery after physical deformation |
Designed specifically for mechanical pipelines, HVAC split-systems, and refrigeration circuits. The pre-formed cylindrical structure slides directly over standard copper, steel, or plastic conduits, reducing thermal bridging and installation complexity.
| Property | Standard Specification |
|---|---|
| Base Material | NBR/PVC Elastomeric Foam |
| Inner Diameter (ID) Range | 6mm to 114mm (Covers standard copper & iron nominal sizes) |
| Wall Thickness Options | 9mm, 13mm, 19mm, 25mm, 32mm, 40mm |
| Moisture Permeability | High resistance factor (μ ≥ 10,000) |
| Flame Spread Index | Class 1 / Class 0 (BS 476 Compliance) |
| Anti-Aging & UV Stability | Strong ozone resistance, suitable for indoor and outdoor (with protective coating) systems |
How the physical properties of Kingflex insulation perform under varying mechanical and ambient conditions.
Specifically applied to air-handling unit (AHU) ducting, cold air plenum chambers, and chilled water loops in skyscrapers, cleanrooms, and retail centers to prevent ceiling leaks caused by dripping condensation.
Used to insulate mechanical boiler pipes, low-pressure steam delivery lines, and industrial heat exchangers. Mitigates heat dissipation to ensure process stability and protect personnel from burn injuries.
With specialized semi-open/open-cell structural variants, our panels absorb mid-to-high frequency motor humming in compressor compartments, mechanical pump rooms, and hospital ventilation shafts.
In cryogenic applications (LNG/LPG terminals and liquid nitrogen pipelines reaching down to -200 °C), standard insulation fails due to micro-fractures. Kingflex cryogenic elastic matrices retain flexural compliance, avoiding thermal stress cracks.
Investing in material science to ensure stable supply chains and product performance.
Our specialized R&D unit houses eight professional engineers focused on improving polymers. Their tasks include evaluating elastomer plasticization, reducing gas pocket sizes inside the cellular matrix, and testing eco-friendly halogen-free flame retardants.
Our testing laboratory validates each production batch against ASTM standards, ensuring consistent thermal conductivity (λ) and vapor diffusion resistance values before logistics release.
To provide reliable service to international buyers, we maintain a dedicated group of 6 professional international sales engineers and 230 production line staff running five high-volume assembly lines.
Approved for international projects and global logistics.
Our long-term goals for product development and environmental responsibility.
Kingflex is transitioning our expansion processes to low-GWP (Global Warming Potential) blowing agents. This initiative aims to reduce the environmental footprint of our foam production without affecting its cell structure or thermal properties.
We are also exploring the integration of passive RFID and temperature sensors directly into pipe insulation layers. This design will allow facility managers to monitor pipeline temperatures and detect moisture build-up remotely.
By improving our NBR/PVC formulation, we plan to increase the maximum service limit to +125 °C while maintaining Class 0 fire safety standards.
Transparency in order processing and client support.
Our technical sales team handles everything from initial custom formulations to production tracking and port logistics. We maintain clear documentation for order transparency and quality assurance.
Technical guidance for engineers, procurement teams, and HVAC consultants.
Complete your insulation systems with our full range of pipe sections, rock wool barriers, and adhesives.
Kingflex