Kingflex
Kingflex
Engineered for extreme performance, our primary product lines combine low thermal conductivity with enhanced physical vapor resistance.
Modern engineering demands higher energy conservation benchmarks for architectural and industrial systems. Aluminium Foil Pipe Insulation stands at the forefront of this movement. By merging a highly reflective metal outer skin with a high-density, flexible elastomeric rubber foam core, these composites represent a dual-barrier mechanism. The outer aluminum cladding reflects up to 97% of radiant thermal energy while acting as an impenetrable physical barrier against external vapor transmission.
Underneath, the closed-cell elastomeric rubber matrix limits conductive heat transfer ($\lambda \le 0.034 \text{ W/(m·K)}$ at $0^\circ\text{C}$). This synergy completely prevents condensation, ensures structural stability over a massive operational range ($-40^\circ\text{C}$ to $+105^\circ\text{C}$), and significantly reduces thermal loss in steam, hot water, and chilled glycol systems.
How Dacheng's green-building material cluster delivers unmatched operational scaling and localized supply chain robustness.
Our manufacturing and trading complex operates within the premier green-building materials capital in Dacheng, China. Governed by Kingflex Insulation Co., Ltd. (an affiliate of the legendary Jinwei Group established in 1979), we benefit from four decades of structural innovation. Our Factory 4.0 infrastructure integrates automatic mixing, extrusion, continuous vulcanization, and inline lamination of foil membranes.
This automated flow ensures uniform cell structure and thickness stability across all batches. By being a designated material supply center for the national ministries of Energy, Chemical Industry, and Electric Power, our manufacturing scale stabilizes raw material costs (NBR/PVC base resins, flame retardants, and aluminum foils) even amidst volatile global market conditions.
Different industries require unique variables. Here is how our Aluminium Foil and Rubber Foam composites resolve challenges in heavy sectors.
In high-humidity environments, standard piping insulation is prone to moisture ingress, leading to structural failures and energy leakage. Our foil-covered pipes act as a continuous vapor barrier, preventing condensation on chilled water pipes and lowering system degradation rates.
Corrosion Under Insulation (CUI) costs industries billions annually. Our aluminum-laminated pipe insulation prevents atmospheric moisture, chemical vapors, and moisture from reaching steel surfaces, extending the lifespan of infrastructure.
Operating down to $-40^\circ\text{C}$ (and lower with specialized multi-layer systems), our elastomeric solutions maintain elasticity, absorb thermal expansion/contraction forces without cracking, and retain core thermal performance.
Direct dimensional metrics and performance capabilities of our core rubber foam sheets and pipe systems.
| Material Base | NBR/PVC Elastomeric Foam |
|---|---|
| Thickness Range | 6mm - 50mm |
| Density Profile | 40 - 55 kg/m³ |
| Temperature Limit | -40℃ to 105℃ |
| Closed Cell Rate | > 98% |
| Elasticity Recovery | > 80% compression resilience |
Primary Benefits: Uniform expansion density, self-extinguishing safety, high moisture resistance, and low thermal drift over a prolonged lifespan (10 to 15 years).
| Material Base | NBR/PVC Elastomeric Foam |
|---|---|
| Thickness Range | 9mm - 40mm |
| Internal Diameter | 6mm - 114mm |
| Density Profile | 40 - 55 kg/m³ |
| Temperature Limit | -40℃ to 105℃ |
| Production Method | Continuous Extrusion & Vulcanization |
Primary Applications: Specifically calibrated for HVAC conduits, municipal water distribution, industrial heat lines, solar collector circuits, and cryogenic refrigeration systems.
Explore our diversified product range, manufactured to international fire-safety and density standards.
Quality begins in the laboratory. Our R&D center is staffed by eight senior formulation engineers who refine NBR/PVC polymer structures to balance structural strength and flexibility. By utilizing specialized carbon black and mineral additives, we optimize thermal conductivity and fire resistance.
Every meter of our thermal insulation material is fully traceable. We adhere to rigorous global certification pathways to support compliance for large-scale municipal and industrial infrastructure projects.
How Kingflex is positioning its product formulations to meet the strict carbon-neutral and eco-design standards of the next decade.
Historically, elastomeric foams relied heavily on chlorinated or brominated compounds to achieve Class 0/Class 1 flame retardancy. Our technology roadmap focuses on moving toward phosphorus-based and inorganic fire retardants to minimize smoke toxicity during fire events.
By vacuum-infusing silica aerogel particles directly into our NBR rubber prepolymer prior to extrusion, our next-generation prototypes achieve thermal conductivity values under $0.028 \text{ W/(m·K)}$, allowing for thinner insulation profiles.
We are developing nano-structured coating options for our aluminium foil shields. These coatings mitigate glare during outdoor installations while optimizing long-wave thermal emissivity characteristics.
Ensuring reliability and technical compliance for international engineering, procurement, and construction (EPC) firms.
For international supply agreements, we provide complete compliance documentation, including certificates of origin, detailed container utilization planning, and custom wood packaging to prevent damage during long ocean transit. Our sales team includes international logisticians who coordinate directly with freight forwarders to optimize shipping times.
We support multiple inspection protocols, including third-party factory audits (SGS, TÜV Rheinland) prior to dispatch, ensuring that all materials delivered to your site match the specified quality parameters.
Engineering plans often deviate from standard measurements. We offer customized inner diameters ($6\text{mm} - 114\text{mm}$), special wall thicknesses up to $50\text{mm}$, pre-split tubes with self-adhesive tabs, and custom-laminated multi-layer options. This flexibility reduces installation labor by up to 40%.
Transparency builds trust. View our logistics, team coordination, and verification steps.
Our operation includes 8 dedicated R&D engineers, 6 international sales consultants, and 230 production specialists. This cohesive group ensures rapid turnarounds from initial inquiry to final dispatch.
We work directly with major distributors globally. The screenshot records show our client responsiveness, delivery precision, and commitment to clear communication.
Get detailed engineering and commercial support answers direct from Kingflex technical experts.
A1: It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation and sound insulation.
A2: Yes, our rubber foam insulation are fire retardant, which meets the safety standards of building and industrial projects.
A3: Rubber foam is flexible, closed-cell and moisture-proof, suitable for HVAC and building insulation; Rock wool is high-temperature resistant and fireproof, suitable for industrial high-temperature pipeline insulation.
A4: Yes, we support OEM service to meet different project needs.
A5: Our products have passed BS 476, CE, REACH, ROHS, UL94, ASTM and other international certifications, ensuring product quality and compliance with global standards.
A6: Yes, Kingflex products have traceability.
A7: We can produce from 6mm to 50mm thickness.
A8: It will be about 10 to 15 years under normal operational environments.
A9: Lamination provides a physical radiant barrier and boosts UV resistance. Outdoors, raw rubber foam degrades under solar radiation. The aluminium foil shields the rubber from UV degradation while lowering thermal emissivity to block solar heat loads.
A10: The Dacheng regional cluster consolidates upstream raw chemical refiners, foil fabricators, and packing suppliers. This minimizes freight costs for raw ingredients, allowing us to maintain competitive pricing and scale production during periods of high demand.
Our large warehousing capacity ensures prompt fulfillment of container-load orders.
Supporting configurations for temperature regulation, sound absorption, and cryogenic system containment.
