Kingflex
Explore our high-performance thermal insulation panels, cryogenic tubes, and sound-absorbing rubber foam systems direct from our advanced manufacturing lines.
The industrial and commercial sectors are facing stringent energy regulations and high demands for carbon footprint reduction. Consequently, materials like elastomeric rubber foam laminated with aluminum foil on one side have emerged as critical structural assets. Combining the low thermal conductivity ($\lambda$) of closed-cell NBR/PVC matrix insulation with the high radiation reflectivity of an aluminum foil barrier, this class of composite materials excels in extreme thermodynamic environments.
Globally, the market has expanded beyond basic HVAC applications. Modern pharmaceutical labs, mission-critical data centers, high-capacity petrochemical plants, and marine shipping infrastructure rely heavily on one-sided aluminum-faced insulation. This configuration provides a continuous vapor barrier that effectively handles dew point condensation in high-humidity zones. Furthermore, it protects the core elastomer from environmental elements, ozone cracking, and physical tear damage.
E-E-A-T Technical Insight: The aluminum foil cladding serves as a low-emissivity (Low-E) surface, lowering the radiation heat transfer coefficient. When applied to the outer face, it effectively reflects up to 97% of radiant energy, reducing the required insulation thickness compared to bare elastomeric rubber panels while maintaining identical overall thermal performance.
Our production department operates in Dacheng, China—a globally recognized capital for green-building and energy-saving materials. Leveraging this specialized industrial cluster, Kingflex Insulation Co., Ltd. blends highly localized supply chains with optimized production processes.
By operating 5 large automatic assembly lines, we ensure scale, thermal consistency, and precise dimensional calibration. Automated lamination machinery applies a single-sided aluminum foil cladding onto the NBR/PVC substrate under controlled pressure. This process utilizes solvent-free, fire-retardant adhesive, achieving high peel strength to prevent delamination under thermal cycling or mechanical stress. Our raw material sourcing and logistics network allows us to provide cost-effective options, reliable shipping schedules, and highly customizable OEM capabilities for bulk international shipments.
Our automated line runs a cold-roll press with thermosetting polymers, ensuring uniform lamination tension and zero air pocket formulation between the foil and rubber foam layer.
Compliant with international standards like BS 476, CE, REACH, ROHS, UL94, and ASTM. The foil acts as an additional non-combustible shield, preventing rapid flame spread.
Featuring a closed-cell ratio exceeding 98%. Combined with one-sided aluminum foil lamination, it achieves high resistance to water vapor transmission ($\mu \ge 10,000$).
Single-sided aluminum foil laminated elastomeric rubber foam functions as a multi-layered barrier, addressing distinct environmental challenges across various localized engineering applications:
In humid tropical regions, unclad insulation is prone to surface condensation once air contacts pipes carrying cold fluids. The metallic foil face acts as a vapor barrier, preventing humid air from permeating the NBR/PVC cells. This keeps the core material dry and preserves its thermal insulation performance over its operating lifespan.
Outdoor piping is continually exposed to weathering, bird damage, and UV radiation. Laminated aluminum foil serves as an outer jacket, reflecting UV rays and preventing mechanical wear. This layout lowers maintenance costs by removing the need for separate metal cladding sheets.
For cleanrooms, machine enclosures, and commercial sports gymnasiums, the NBR/PVC elastomer dampens low-frequency vibrations, while the composite layer reduces high-frequency reflections. This dual-action design delivers thermal regulation and noise reduction in one installation step.
Our single-sided aluminum-faced thermal systems are built to meet rigorous mechanical and thermal requirements. Below are the standard dimensions and physical parameters for Kingflex elastomeric products:
| Performance Indicator | Reference Value | Test Standard / Certification |
|---|---|---|
| Thermal Conductivity (at 0°C) | ≤ 0.034 W/(m·K) | ASTM C518 / ISO 8301 |
| Water Vapor Permeability | ≥ 1.0 × 10¹⁰ (Metric Perm-in) | ASTM E96 Method B |
| Fire Safety Rating | Class 0 (Flame propagation) / Class 1 (Surface spread) | BS 476 Part 6 & Part 7 |
| Fungi & Microbial Resistance | No growth detected | ASTM G21 |
| Ozone & UV Weathering resistance | Excellent, does not peel or crack under direct sunlight | ISO 4892-2 / ASTM G154 |
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research, development, and production department is located in Dacheng, China—a well-known capital for green-building materials. We operate as an energy-saving, environmentally conscious enterprise focused on advanced product research, development, manufacturing, and distribution.
Our core operating concept centers on energy saving and lower consumption. We offer structural solutions through expert consultation, custom product design, installation guidance, and dedicated post-sale support. Driven by Jinwei Group’s 40-year legacy, we maintain consistent service standards to support our clients worldwide.
Established by the Jinwei Group, which has more than 40 years of industry history. Founded in 1979, Jinwei Group was the first manufacturer of thermal insulation materials north of the Yangtze River, paving the way for today's advanced composite insulation industry.
Our employees excel in their individual roles, and together they make Kingflex a productive and rewarding place to work. Our team shares a unified vision of delivering reliable service to our clients. We support our operations with 8 professional engineers in our R&D Department, 6 international sales specialists, and 230 factory workers.
We invest continually in testing equipment to measure material density, thermal conductivity, and fire spread. This sustained focus on quality ensures that every production run complies with international environmental and mechanical standards.
Our NBR/PVC elastomeric rubber insulation boards and pipes hold international quality certifications, assuring reliable material standards for engineers and procurement managers alike.
The construction and industrial insulation sectors are shifting toward composite insulation products that install quickly and provide multiple functions. Single-sided laminated aluminum rubber foam aligns well with this trend. By offering acoustic barrier protection, high moisture resistance, and low emissivity in a single product, it reduces installation times and overall labor costs.
Key development paths for the industry include:
Our engineers address common technical, installation, and procurement questions regarding our single-sided aluminum-faced insulation systems.
It is primarily used for commercial and industrial HVAC duct systems, chilled and hot water pipes, building envelopes, high-capacity cold storage, and noise reduction across piping systems.
Yes, our rubber foam products are formulated with flame retardants. They are self-extinguishing and meet BS 476 Part 6 & 7 Class 0/Class 1 standards, helping prevent flame spread in commercial buildings.
Rubber foam has a flexible, closed-cell structure that acts as a natural moisture barrier, making it suitable for HVAC chilled-water and refrigeration systems. Rock wool is a fibrous mineral material that handles high temperatures, making it a common choice for industrial high-heat pipelines and structural firewalls.
Yes, we support comprehensive OEM and ODM services. This includes laminating specific foil weights, adding self-adhesive layers, and customizing lengths, thicknesses, and densities to match your project specifications.
Our materials are certified under BS 476, CE, REACH, ROHS, UL94, and ASTM. This ensures compliance with structural, environmental, and fire safety standards in global markets.
Yes, we maintain full process traceability. From raw polymer compounding to final foil lamination and packaging, each batch is assigned a serial number linked to raw material records and lab test results.
We manufacture sheet rolls in thicknesses ranging from 6mm to 50mm, allowing you to select the correct specification for your project's thermal and condensation requirements.
Under typical operating conditions and with proper installation, the insulation has a service life of 10 to 15 years. The aluminum foil layer protects the NBR core from mechanical wear and UV degradation, helping extend its operational lifespan.
Select specialized elastomeric pipe tubings, adhesive thermal foam sheets, and cryogenic insulation materials designed for deep refrigeration systems.
Explore our classic elastomeric pipes and insulation jackets designed for HVAC and cryogenic systems.
We manage our continuous supply chain through modern warehouse systems, computerized quality assurance, and container-loading procedures.
