Kingflex
Kingflex
Explore our core range of commercial and industrial rubber foam solutions. Designed for superior thermal performance, moisture barrier efficiency, and long-term durability.
Modern infrastructure projects increasingly mandate visual management systems. While traditional black elastomeric foam serves general thermal insulation, the deployment of Yellow Rubber Foam Insulation Sheet Rolls fulfills strategic corporate needs worldwide:
Instantly differentiates high-risk pipelines, cleanroom ducts, and safety-critical process lines. Yellow visual coding decreases inspection errors and prevents accidental maintenance damage.
Global procurement teams favor standardized, pre-pigmented rolls. Buying directly from certified manufacturers reduces the need for external cladding paint, minimizing labor costs and application errors.
Meets strict regional guidelines (such as BS 476, ASTM, CE, and local green building metrics) regarding flame retardancy, low toxicity emission, and structured code compliance in high-occupancy sectors.
Our elastomeric formulations balance Nitrile Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC) polymers to deliver superior thermal performance, physical resilience, and chemical resistance.
| Performance Metric | Kingflex Standard Sheet Roll Specification | Standard Insulation Comparison |
|---|---|---|
| Base Material Matrix | Elastomeric Nitrile Rubber & Polyvinyl Chloride (NBR/PVC) blend | Monolithic EPDM or low-density PE foam profiles |
| Thickness Availability | 6mm to 50mm dynamic range | Usually limited to standard 9mm - 25mm sheets |
| Apparent Density | 40 - 55 kg/m³ for optimal molecular cell stability | 30 - 38 kg/m³ (prone to cell collapse under pressure) |
| Thermal Conductivity (λ) | ≤ 0.034 W/m·K at 0°C (exceptional low-loss performance) | ≥ 0.040 W/m·K at 0°C |
| Service Temperature Limit | -40°C to 105°C (extended thermal envelope) | -20°C to 80°C |
| Closed-Cell Structure Rate | Over 98% uniform microscopic closed-cell architecture | 80% - 90% (increased moisture vulnerability) |
| Compression Resilience | Over 80% recovery after prolonged deformation load | Less than 60% recovery rate |
| Fire Classification | Class 0 & Class 1 (BS 476 compliant, self-extinguishing) | Standard Class 2/3 combustible rating |
Global architectural standards require building envelopes to dramatically reduce energy losses. Elastomeric rubber foam acts as a thermal barrier, preventing condensation and reducing heat exchange. The low thermal conductivity (λ) ensures HVAC chillers operate efficiently, cutting scope 1 and scope 2 emissions for industrial facilities.
As green building certifications (such as LEED and BREEAM) update their criteria, materials with zero Ozone Depletion Potential (ODP) and Global Warming Potential (GWP) of less than five are essential. Kingflex insulation meets these strict environmental requirements.
Our research and development team is working on refining cell sizes at the sub-micron scale. Micro-cellular optimization traps nitrogen within smaller, more uniform cells, reducing heat transfer through convection and conduction.
In addition, we are improving the UV stability of colored rubber foam. Yellow colorants are combined with specialty ultraviolet stabilizers during the extrusion process, protecting the insulation from degradation when exposed to sunlight in outdoor industrial applications.
Material: NBR/PVC
Thickness: 6mm-50mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃
Material: NBR/PVC
Thickness: 9mm-40mm
Inner Diameter (ID): 6mm-114mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex research development and production department is located in well-known capital of green-building materials in Dacheng, China. It is an energy-saving environmentally friendly enterprise concentrating on research, development, production, and sales.
In operation, Kingflex takes energy saving and consumption reduction as the core concept. We provide solutions regarding insulation by means of consultation, research and development, production, installation guidance, and post-sale service to lead the development of the global building materials industry.
Kingflex is established by the Jinwei Group (also known as Kingway Group) which has more than 40 years of history. Established in 1979, the group was the first manufacturer of thermal insulation materials north of the Yangtze River.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. The Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service to our clients. Kingflex has eight professional engineers in the R&D Department, 6 professional international sales staff, and 230 workers in the production department.
At present, Kingflex has 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters. It has become a designated production enterprise appointed by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace, and other industries. Kingflex products have been exported to more than sixty-six foreign countries all over the world in the past 16 years.
Our Responsibility: Supply customers all over the world with a full set of energy-saving insulation system solutions, acting as an integrated provider of thermal insulation, cold insulation, and noise reduction for buildings and industries.
Our products are tested and certified to comply with global safety, performance, and environmental protocols.
We maintain transparent, verifiable communications with our industrial procurement clients worldwide. Below are highlights of customer feedback and project applications.
Secure poly-wrapped rolls prepared for global marine transit, preventing moisture ingress during long-haul shipping.
International procurement partners inspecting our extrusion lines and quality assurance processes in Dacheng.
Active order updates and client coordination regarding custom color orders and dimensional tolerances.
Find answers to technical and operational questions regarding Kingflex elastomeric rubber foam insulation.
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation.
Yes, our rubber foam insulation is fire retardant, meeting standard building and industrial project safety requirements.
Rubber foam is flexible, closed-cell, and moisture-resistant, making it suitable for HVAC and condensation control. Rock wool is highly heat-resistant and non-combustible, making it suitable for high-temperature industrial piping.
Yes, we support OEM/ODM requests, allowing clients to specify colors (such as safety yellow), custom densities, thicknesses, and self-adhesive backings.
Our products are certified to BS 476, CE, REACH, ROHS, UL94, and ASTM standards, ensuring compliance with global specifications.
Yes, we implement a comprehensive quality control tracking system. Every production batch is coded to trace raw materials, manufacturing parameters, and laboratory test results.
We can produce rolls in thicknesses ranging from 6mm to 50mm, matching specific thermal and acoustic insulation requirements.
Under standard operating conditions and when installed according to manufacturer guidelines, Kingflex rubber foam insulation provides a service life of approximately 10 to 15 years.
Yellow rubber foam serves as a visual indicator for safety-critical pipelines, gas pipelines, or cleanroom HVAC systems. It reduces the need for external safety painting and simplifies regular inspections.
Explore our collection of specialized thermal, acoustic, and cryogenic insulation materials designed for industrial facilities.
Below is our verified sequence of project supply logs, factory inventory storage, and site delivery operations across international distribution centers.
