Direct supply line of architectural, sound absorption, and high-performance elastomeric thermal blankets from our production complex.
In the modern construction and petrochemical piping landscapes, thermal efficiency is no longer just about preventing heat transfer. It is a critical component of global decarbonization targets, process stability, and mechanical durability. Aluminium foil-clad elastomeric rubber foam represents the peak of composite material engineering, providing a dual-action barrier against both thermal convection and radiant energy.
The primary role of the external foil cladding is to reduce heat radiation absorption and provide an absolute vapor barrier (close to zero Perm rating). When bonded with a high-density, closed-cell NBR/PVC matrix, it creates a robust barrier system capable of withstanding extreme environmental conditions, mechanical impacts, and UV degradation. This configuration significantly extends the design life of pipe systems to 15 years or more while preventing Corrosion Under Insulation (CUI) in coastal and heavy industrial atmospheres.
A premier global manufacturer specializing in high-performance rubber foam thermal insulation products and solutions.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex's research development and production departments are located in Dacheng, China—the well-known capital of green building materials. As an energy-saving, environmentally friendly enterprise, we concentrate on advanced R&D, production, and sales.
In operation, Kingflex takes energy saving and consumption reduction as its core concept. We provide comprehensive thermal insulation, cold insulation, and noise reduction solutions through strategic consultation, targeted research and development, expert installation guidance, and dedicated post-sales service.
Cubic Meters Annual Capacity
Group Industrial Heritage
Global Export Footprint
Large Automatic Assembly Lines
Established by the Jinwei Group (which carries a heritage dating back to 1979 as the pioneer manufacturer of thermal insulation materials north of the Yangtze River), Kingflex has consistently driven technological improvements. Our workforce includes 8 professional engineers in our R&D Department, 6 international sales consultants, and 230 highly trained production technicians.
Our R&D team continuously refines cell-size distribution, closed-cell ratios, and chemical stability to produce materials suitable for environments ranging from -40℃ up to 105℃.
Integrating state-of-the-art laboratory testing with international certifications to ensure product reliability.
Every batch undergoes testing for density consistency, cell structure integrity, thermal conductivity, and fire propagation metrics.
Certified compliance with BS 476, CE, REACH, ROHS, UL94, and ASTM. This guarantees smooth import and building inspection clearance globally.
We work with local distributors, mechanical contractors, and cold chain managers, backed by our team of 230 production workers.
Explore the physical property parameters of Kingflex standard elastomeric structures.
| Property Parameter | NBR/PVC Elastomeric Core | Aluminium Foil Protective Cladding | Testing Method Reference |
|---|---|---|---|
| Thermal Conductivity | ≤ 0.034 W/(m·K) at 0℃ | Conductive Shield Layer | ASTM C518 / ISO 8301 |
| Water Vapor Permeability | ≥ 1.0 × 10¹⁰ (g/Pa·m·s) | Zero Vapor Penetration (Absolute) | ASTM E96 / BS EN 12086 |
| Fire Safety Rating | Class 1 / Class 0 Surface Spread | Class 0 Fire Propagation | BS 476 Part 6 & 7 / UL 94 V-0 |
| Mold/Bacteria Growth | Resistant | Highly Bio-Inert Surface | ASTM G21 |
How Kingflex insulation integrates into major architectural, HVAC, petrochemical, and noise-control applications.
For central air conditioning systems in offices, airports, and hospitals, fiber-free closed-cell sheets ensure IAQ (Indoor Air Quality) is maintained. The reflective foil skin minimizes radiation gains from adjacent structures.
At sub-zero temperatures, standard open materials fail due to ice crystal build-up. Kingflex's low-temperature elastomeric layers prevent condensation on cold chains and liquefied gas pipes.
Combining high-density foam with complex surface geometry controls airflow path resistance, absorbing mechanical vibration noise in generator rooms, ventilation channels, and heavy machinery setups.




Verified purchase logs and feedback screenshots detailing product tracking, inspection approvals, and global logistics feedback.





Note: Client dialog details are protected. Full traceable quality reports are shared with registered procurement agents before shipping.
Continuous automated lines operating at maximum capacity to guarantee reliable delivery times on wholesale orders.












Our ongoing initiatives for materials research, recycling loops, and lowering thermal loss coefficients.
Replacing petroleum-derived plasticizers with sustainable alternatives to reduce the carbon footprint of our NBR raw materials while maintaining flexibility and flame-retardant performance.
Introducing nano-coated outer foil claddings that selectively reflect IR wavelengths, improving performance on industrial steam pipes in high-ambient external conditions.
Co-developing smart insulation jackets with integrated humidity micro-sensors to detect water ingress instantly, helping operators prevent Corrosion Under Insulation (CUI).
Detailed technical advice and specifications for engineers, contractors, and procurement managers.
A1: It is primarily used for insulating HVAC ducts, air conditioning pipes, commercial buildings, cold chain logistics, industrial pipeline cold preservation, and sound insulation in mechanical rooms.
A2: Yes, our rubber foam products are formulated with built-in flame retardants. They comply with critical safety standards including BS 476 (Class 0 and Class 1), UL94 (V-0 rating), and ASTM E84, helping prevent flame spread and smoke generation.
A3: Rubber foam is highly flexible, closed-cell, and moisture-resistant, making it ideal for HVAC, cold piping, and prevents condensation. Rock wool is a high-temperature, non-combustible fibrous material, making it suitable for industrial high-temperature steam lines and fire-rated structures.
A4: Yes, we provide OEM/ODM services. We can adjust density, cell structure, surface finishes (such as pure aluminum foil or woven glass fiber), wall thicknesses, colors, and apply self-adhesive backings to meet specific project needs.
A5: Our materials have passed tests and hold certifications including BS 476, CE, REACH, ROHS, UL94, and ASTM. This ensures compliance with local building regulations globally.
A6: Yes, every batch is marked with production run codes, matching back to raw materials, line logs, and QA sheets to ensure complete traceability.
A7: We produce standard thicknesses ranging from 6mm up to 50mm. Specialized laminates can also be layered to meet extreme insulation thickness requirements.
A8: Under normal indoor working temperatures and proper installation, Kingflex products have an expected service life of 10 to 15 years.
Premium solutions spanning acoustic insulation sheets, elastomeric cryogenic pipe segments, and mineral wool blankets.