Kingflex
Explore our leading collection of thermal barrier solutions, manufactured under strict ISO and international safety regulations.
Meeting the evolving demands of heavy industry, thermal management, and carbon-reduction initiatives worldwide.
Modern industrial systems demand thermal management solutions that operate under extreme stress. Whether controlling thermodynamics in high-pressure steam distribution setups or safeguarding critical processes in petrochemical plants, thermal isolation is the core parameter of system performance. As global energy prices increase and carbon neutral mandates tighten, traditional isolation practices are being replaced by highly structured, chemically optimized insulation systems.
Our company, Kingflex Insulation Co., Ltd., represents the highest level of industrial thermal control manufacturing in China. With our vast production base and cutting-edge testing facilities, we supply globally verified elastomeric and fibrous solutions that satisfy strict fire classifications, thermal degradation indexes, and moisture resistance coefficients.
By blending closed-cell elastomer physics with structural durability, Kingflex designs barriers that prevent thermal bridging and convective heat transfer. From cryogenic process lines running at sub-zero temperatures to high-temperature distribution loops reaching 105°C and beyond with our rock wool systems, our solutions represent a highly reliable class of insulation designed to endure severe environmental conditions.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for high-performance thermal insulation products. Our research, development, and primary production divisions are situated in Dacheng, China—the globally recognized capital of green building materials. Kingflex is an energy-saving, environmentally friendly enterprise that integrates research, manufacturing, engineering, and sales.
We are a member of the prestigious Jinwei Group, which boasts over 40 years of pioneering history in thermal materials. Established in 1979, Jinwei Group was the first manufacturer of thermal insulation materials north of the Yangtze River. This historical expertise forms the scientific foundation of our advanced elastomer technologies today.
At present, our production strength is powered by 5 large automatic continuous assembly lines, generating an annual output exceeding 600,000 cubic meters. Kingflex is a designated supplier for the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry in China.
The collective expertise of our workforce is the engine behind our technological consistency. Our department contains 8 professional research and development engineers, 6 dedicated international trade consultants, and 230 highly trained workers operating our advanced processing lines.
Operating a continuous output model, our automated assembly units manage real-time curing, density control, and dimensional profiling. This guarantees that every cubic meter of rubber foam conforms to precise density ranges of 40-55 kg/m³.
In all operations, Kingflex prioritizes environmental stewardship and resource conservation. We provide end-to-end consulting, customization, installation guidance, and post-sale technical support to steer high-performance building materials toward sustainable goals.
Accurate thermodynamic values and dimensions engineered for building, refrigeration, and industrial plant integrations.
Specifically designed for large-surface-area applications, including HVAC ducting systems, large-diameter valves, chemical vessel shells, and plant machinery housing.
Pre-formed cylindrical profiles designed for rapid installation on process steam lines, hot/chilled water loops, and chemical transfer pipes.
| Performance Characteristic | NBR/PVC Elastomeric Foam Value | Rock Wool Blanket/Board Value | Test Standard Reference |
|---|---|---|---|
| Thermal Conductivity (at 0°C) | ≤ 0.034 W/(m·K) | ≤ 0.044 W/(m·K) | ASTM C518 / ISO 8301 |
| Moisture Resistance Factor (μ) | ≥ 10,000 (Built-in Vapor Barrier) | 1.0 (Requires External Jacket) | EN 12086 / ASTM E96 |
| Service Temperature Limits | -40℃ to +105℃ (Cryogenic down to -196℃) | Up to +650℃ (Continuous) | ASTM C411 / EN 14706 |
| Fire Rating Performance | Class 0 / Class 1 / B1 Self-extinguishing | Class A1 Non-combustible | BS 476 Part 7 / DIN 4102 |
| Elongation / Flexibility | ≥ 80% Compression Resilience | Rigid / Semi-Rigid (Low Tensile) | ASTM D412 |
| Acoustic Decibel Reduction | Excellent dampening at low-medium frequencies | High absorption in high frequencies | ASTM E90 / ISO 354 |
Providing specialized mechanical insulation configurations that resolve moisture, acoustic, and extreme heat problems.
In humid modern building plenums, duct surfaces easily drop below dew point, causing condensation, dripping, and mold. Kingflex closed-cell NBR sheet wraps prevent moisture ingress while holding the thermal gradient steady, protecting air delivery systems and structural walls.
For Liquefied Natural Gas (LNG) pipelines and ethylene terminals, thermal isolation is critical. Our ultra-low temperature (ULT) flexible systems control thermal transfer and resist cracking under severe contraction pressures down to -196℃.
Chemical processing relies on steady thermodynamic conditions. High-temperature steam loops insulated with Kingflex rock wool and closed-cell layers prevent thermal loss while minimizing the risk of Corrosion Under Insulation (CUI), a common point of mechanical failure in processing plants.
Uncontrolled motor frequencies and fluid turbulence in pipes create noise pollution in heavy industrial environments. Using open-cell acoustic configurations, Kingflex offers hybrid thermal-acoustic barriers that block noise emissions while preserving thermal limits.
How automated continuous processing, quality control protocols, and supply coordination support global project schedules.
INTEGRATED LOGISTICS & RAW MATERIAL INDEPENDENCE
As international supply networks navigate shifting dynamics, Kingflex offers stable pricing and reliable delivery schedules. Located in the Dacheng industrial zone, our factory maintains direct supply lines for chemical polymers, plasticizers, and foaming agents. This close integration buffers our raw material inputs against localized market volatility.
Our 5 automated continuous extrusion lines are equipped with computerized thickness monitors and online heat curing systems. This instrumentation records real-time metrics for rubber cell uniformity. This level of automated process monitoring is critical for keeping product thickness deviations within limits defined by ASTM standards.
Furthermore, our dedicated engineering team maintains testing protocols to monitor fire retardancy, density variation, and thermal conductances. We record raw material inputs and production runs to offer full batch traceability for every shipment destined for domestic or international markets.
Our ongoing research focuses on reducing initial thermal conductivity ($\lambda$) down to 0.031 W/m·K. This target is backed by our specialized engineering team who refine our closed-cell structures for demanding marine and cryogenic environments.
Our products are tested and verified by global third-party agencies, assuring compliance with international fire, environmental, and toxicity safety limits.
Fully tested under BS 476 Parts 6 & 7 (Class 0 designation) and UL 94. These ratings assure low flame spread and minimal toxic smoke emission in enclosed environments.
Conforms to REACH and RoHS regulations. Our formulation processes contain no brominated flame retardants, formaldehyde, or heavy metals, preventing chemical outgassing.
Tested in accordance with ASTM C534 and EN 14304. This certifies that our elastomer products retain their physical geometry and thermal performance limits under constant operational heat.
Meets strict moisture transmission criteria. Our high moisture resistance factor ($\mu \ge 10,000$) eliminates the need for auxiliary vapor retarders in most climates.
Real-world coordination records detailing our service reliability and global client satisfaction.
We believe in building transparent relationships with our global partners. By maintaining direct communication, we assist engineering teams from the early blueprint stage through to final on-site validation. This ensures that every order matches the specified dimensions and certification requirements.
Our logistics and technical support divisions ensure that shipments arrive on schedule. This enables engineering teams to coordinate insulation application phases with minimal downtime, protecting timelines on major infrastructure projects.
A deep look at long-term durability metrics, corrosion mitigation, and our sustainable engineering initiatives.
Water intrusion into standard fibrous insulation often triggers chemical reactions that cause stress corrosion cracking in steel pipes. Kingflex closed-cell rubber foam provides a continuous physical barrier that prevents moisture pooling against metal surfaces, protecting pipe integrity.
Under constant thermal gradients, open-cell materials degrade as atmospheric moisture displaces interior air. Our elastomeric matrix has a moisture transmission factor of $\mu \ge 10,000$, ensuring stable thermal conductivity ($\lambda$) over an operational lifespan of 10 to 15 years.
Our material research focuses on integrating aerogel micro-composites into our standard elastomer lines. This hybrid design aims to extend service temperature limits to +150°C, opening new opportunities for chemical, marine, and high-temperature steam applications.
In-depth responses covering engineering specifications, thermodynamics, fire behavior, and product customization.
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation. Its closed-cell geometry prevents moisture ingress, making it highly effective for chilled water loops and industrial processes prone to surface condensation.
Yes, our rubber foam products are fire retardant, meeting strict safety standards for building and industrial projects. They comply with Class 0 (BS 476 Parts 6 & 7), DIN 4102 B1, and UL 94 V-0 certifications, ensuring self-extinguishing behavior and low smoke development.
Rubber foam is flexible, closed-cell, and moisture-proof, making it suitable for HVAC, chilled lines, and building insulation. Rock wool is high-temperature resistant and fireproof (Class A1 non-combustible), making it ideal for industrial high-temperature steam pipelines and heat containment zones up to 650°C.
Yes, we offer comprehensive OEM services to meet different project needs. We can customize density ranges, thicknesses (6mm to 50mm), inner diameters, and supply specialized laminates (foil, self-adhesives) to match your application requirements.
Our products have passed BS 476, CE, REACH, RoHS, UL 94, ASTM, and other international certifications. This ensures compliance with environmental, fire safety, and chemical safety standards worldwide.
Yes, Kingflex enforces full batch traceability. Every production run is coded, allowing us to trace raw material batches, quality control records, and export shipping data for each order.
We can produce rubber foam sheets in thicknesses ranging from 6mm to 50mm. This range covers applications from thin air conditioning duct linings to thick, multi-layer industrial process piping insulation.
Under recommended operating temperatures (-40°C to +105°C) and proper installation, Kingflex products provide an operational lifespan of 10 to 15 years, during which they resist physical aging and moisture degradation.
Reviewing our facilities and processing environments designed to deliver high-volume orders on schedule.
Dedicated testing chambers evaluate our formulations against chemical aging and extreme thermal stresses.
Real-time monitoring systems control thickness, width, and cell structure consistency across our extrusion lines.
Explore our targeted product classifications, engineered to provide thermal, cryogenic, and acoustic solutions.
Closed-cell elastomeric sheets, rolls, and pre-slit tubes designed for HVAC and piping applications.
Highly flexible glass fiber insulation suited for duct insulation and building envelopes.
High-density, non-combustible fiber insulation for high-temperature and process steam lines.
Review and download data sheets, request technical samples, and coordinate directly with our engineering sales divisions.
