Kingflex
Kingflex
Explore our premium grade elastomeric rubber foam and composite protective insulation sheets and rolls designed for extreme thermodynamic operations.
Modern building codes, heavy-duty industrial machinery installations, and complex HVAC networks demand high levels of thermal efficiency and fire protection. Traditional bare elastomeric foam is highly flexible and cost-effective, but when exposed to external weather conditions, mechanical abrasion, UV light, or strict Class 0 fire regulations, it requires an upgraded protective outer layer. This is where Aluminium Laminate Flame Retardant Thermal Insulation is useful.
By laminating a durable, multi-layer aluminum foil wrap onto a high-density, closed-cell elastomeric rubber foam core, manufacturers achieve a composite structural design. The metallic outer skin acts as a reliable vapor barrier, reducing moisture permeation to nearly zero. Simultaneously, it reflects radiant heat and offers physical shielding. When combined with flame-retardant chemical additives embedded in the rubber foam compound, this material prevents fire propagation, limits smoke density, and meets fire-safety classifications worldwide.
Engineered to operate reliably under extreme environments, our elastomeric composite sheets and tubes offer consistent thermal resistance and fire protection.
| Property / Characteristic | Kingflex Sheet Rolls Standard Specifications | Kingflex Closed-Cell Tube Standard Specifications |
|---|---|---|
| Base Material Structure | NBR/PVC Elastomeric Foam + Multi-Layer Aluminum Laminate | NBR/PVC Closed-Cell Rubber Foam Coated Outer Shield |
| Thickness Availability | 6mm to 50mm | 9mm to 40mm |
| Inner Diameter (ID) Range | N/A (Flat sheet/roll profile) | 6mm to 114mm |
| Density Profile | 40 to 55 kg/m³ | 40 to 55 kg/m³ |
| Working Temperature Limits | -40℃ to 105℃ | -40℃ to 105℃ |
| Closed-Cell Content | Over 98% (Ensures low water vapor permeability) | Over 98% (Prevents cell degradation) |
| Compression Recovery Rate | Over 80% resilience recovery | Over 80% resilience recovery |
| Fire Retardancy Standard | Class 0 (BS 476 Part 6/7), ASTM E84 25/50 Compliant | Self-extinguishing, low smoke emissions |
Kingflex Insulation Co., Ltd. is a specialized manufacturer and trading consortium offering energy-saving thermal insulation solutions. Located in Dacheng, China—a hub for green building materials—our operations combine R&D, advanced manufacturing, and global logistics under one roof. Our primary goal is helping clients optimize thermal performance, lower energy consumption, and manage condensation risks across their piping and air handling systems.
Founded under the umbrella of the Jinwei Group (which carries a heritage dating back to 1979 and stands as a pioneering thermal insulation manufacturer north of the Yangtze River), Kingflex has grown to operate 5 automated production lines. Our annual output capacity exceeds 600,000 cubic meters, making us a designated insulation supplier for national energy, petrochemical, and electrical infrastructure projects.
Our engineering department continues to advance the limits of thermal composite physics, focusing on material performance, sustainability, and fire safety.
We are developing halogen-free NBR/PVC compounds to limit toxicity and smoke density during fire exposure. This design meets safety requirements for confined spaces, rail transit systems, and commercial maritime vessels.
Our latest lamination process bonds reinforced aluminum foil to rubber-foam bases without using combustible adhesives. This technique preserves the mechanical integrity of the moisture barrier and maintains high flame resistance.
We use eco-friendly blowing agents with zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP), meeting global environmental compliance standards while maintaining a high ratio of closed cells.
Kingflex aluminium-laminated products are designed for specialized applications, helping engineers address challenges like high humidity, mechanical wear, and strict fire safety codes.
In humid tropical climates, unshielded insulation often absorbs ambient moisture, leading to mold growth and energy loss. Our aluminum laminate acts as an effective vapor seal, keeping the core dry and protecting indoor air quality.
For outdoor installations, UV rays and wind-driven rain can degrade basic rubber foams within a few seasons. The aluminum cladding reflects sunlight, protects the flexible base, and helps prevent under-insulation corrosion.
Hospitals, pharmaceutical facilities, and microelectronics plants require clean environments. The smooth metallic surface prevents fiber shedding and dust accumulation, and it stands up well to regular disinfecting washes.
At Kingflex, quality assurance begins in the lab. Our specialized R&D division has 8 dedicated engineers who conduct chemical analysis, evaluate thermal conductivity index parameters, and run fire chamber testing. Every product batch undergoes rigorous testing to verify the moisture diffusion factor (µ-value) and oxygen index limits before leaving our facility.
To support global supply needs, our team includes 6 international sales consultants who coordinate shipping and custom compliance, supported by 230 technicians managing our high-volume production lines.
Our manufacturing and processing lines operate under strict management systems to ensure compliance with global fire-safety, health, and environmental codes.
Certified factory compliance for consistent production standards.
Fully certified for distribution across European Union zones.
Tested under BS 476, REACH, ROHS, UL94, and ASTM protocols.
Third-party verification for structural and material durability.
Review our core selection of elastomeric foam tubes, high-temperature boards, and cryo-rated flexible systems.
Our systems protect pipelines, cold lines, and structural builds in commercial and industrial settings around the globe.
We work closely with clients to deliver quality insulation products, with trace records documenting every step from order placement to shipment clearance.
Global supply networks demand reliable procurement, stable pricing, and on-time delivery. As a primary manufacturer in Hebei's green building materials zone, Kingflex maintains relationships with local petrochemical suppliers to secure high-grade rubber and PVC precursors.
Our raw material planning and five automated lines allow us to maintain steady production rates and stable pricing, even during global market shifts. With a large domestic warehousing facility, we keep core sheet thicknesses in stock, helping reduce export shipping delays for our international clients.
Shipping large-volume insulation requires efficient packing, protection against moisture, and compliance with local customs standards.
To reduce shipping volume, our packaging department uses compression techniques on flexible elastomeric rolls. This allows us to pack more material per container, lowering transport costs while ensuring the foam recovers its thickness when unpacked.
We work with international testing agencies like SGS, Intertek, and TÜV to certify that our aluminum laminate sheets meet local building requirements, including BS 476 testing protocols and regional environmental codes.
Every shipment is marked with production codes that identify raw material batches, production line data, and quality control reports. This traceability ensures consistency across multiple product shipments.
Find answers to common questions about material selection, fire classifications, and installation practices.
A1: It is primarily used for HVAC air ducts, refrigeration pipelines, acoustic soundproofing panels, and cold/chilled water lines to prevent condensation and reduce heat transfer.
A2: Yes. Our products include flame-retardant additives that comply with fire safety classifications like BS 476, Class 0 rating requirements, and UL94 testing standards.
A3: Rubber foam has a closed-cell, flexible composition that serves as its own moisture barrier, making it suitable for low-temperature and HVAC systems. Rock wool has high heat resistance, which is preferred for industrial steam systems and high-temperature pipes.
A4: Yes, we provide OEM customization. We can adjust density profiles, configure sheet roll thicknesses, and apply specific aluminum foil laminations based on project requirements.
A5: Our products have been certified under BS 476, CE, REACH, ROHS, UL94, and ASTM protocols, ensuring compliance with global building safety regulations.
A6: Yes, each batch is assigned a unique tracking code linked to raw material records, manufacturing parameters, and laboratory test logs.
A7: We produce single-layer elastomeric sheets and rolls in thicknesses from 6mm up to 50mm.
A8: When installed according to guidelines and shielded from direct physical impact, the insulation has an average service life of 10 to 15 years.
A visual overview of our manufacturing facilities, assembly lines, and material handling systems.
Browse our selection of specialized roll insulation, adhesive glues, and high-density wool thermal systems.
