Explore our foundational selection of high-performance closed-cell elastomeric sheets and thermal insulation tubes manufactured to comply with rigorous global construction guidelines.
Understanding the micro-chemical engineering and global market expansion of pre-applied pressure-sensitive adhesives on elastomeric foam.
In modern industrial insulation, speed of deployment and barrier integrity are the two factors that dictate overall efficiency. Traditionally, applying elastomeric rubber insulation sheets required field-applying contact adhesives, which introduced human error, environmental health hazards (VOC emissions), and variable bonding strength. The integration of Self-Adhesive One Side (SA1S) technology has revolutionized this process globally.
Developed with highly specialized pressure-sensitive adhesives (PSAs)—reinforced with glass scrim grids or direct transfer acrylic bases—SA1S foam sheets provide an instant, permanent bond to metallic, glass, and concrete surfaces. This eliminates the curing wait time, radically reduces labor hours, and guarantees an airtight moisture-vapor barrier. As sustainability and green construction regulations tighten across North America, Europe, and Asia-Pacific, SA1S elastomeric systems have transitioned from custom site solutions to standard specifications for Tier-1 engineering consultants.
By applying adhesive in controlled factory environments, the interface is completely sealed, preserving the high moisture resistance coefficient (μ ≥ 10,000).
Reduces onsite labor costs by up to 60%. Simple peel-and-stick application eliminates compound mixing, drying delays, and alignment issues.
Low-VOC emission formulas comply with strict green building standards like LEED, BREEAM, and WELL, securing cleaner indoor air quality.
A comprehensive structural overview of standard physical parameters for high-grade NBR/PVC self-adhesive insulation.
| Performance Parameter | NBR/PVC Elastomeric Core | Adhesive Film (SA1S) | Industry Standard Compliance |
|---|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0 °C | Thermally stable cross-linking agent | ASTM C518 / EN 12667 |
| Water Vapor Permeability | ≤ 1.96 x 10-11 g/(m·s·Pa) | Airtight barrier structure | ASTM E96 / BS EN 12086 |
| Service Temperature Range | -40 °C to +105 °C | -30 °C to +90 °C continuous bond | GB/T 17794-2008 |
| Fire & Smoke Behavior | Class 0 / Class 1 / V-0 rating | Self-extinguishing, low smoke | BS 476 Part 6/7, UL94, ASTM E84 |
| Peel Adhesion Strength | N/A | ≥ 12 N/25mm (Stainless Steel) | FINAT FTM1 / ASTM D3330 |
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex research development and production department is located in the well-known capital of green-building materials in Dacheng, China. It is an energy-saving environmental friendly enterprise concentrating on research, development, production, and sales.
In operation, Kingflex takes energy saving and consumption reduction as the core concept. We provide advanced solutions regarding professional insulation by means of expert consultation, research and development production, installation guidance, and post-sale service to lead the development of the global building materials industry.
Kingflex was established by Jinwei Group which boasts more than 40 years of industrial history. Kingway Group was established in 1979. It was famously recognized as the very first manufacturer of thermal insulation materials north of the Yangtze River, paving the way for China's modern eco-friendly energy-saving materials industry.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. The Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service to our clients.
Kingflex has eight professional engineers in our state-of-the-art Research & Development Department, 6 professional international sales executives handling global logistics and procurement protocols, and 230 dedicated workers in our production department managing multi-stage extrusion, foaming, and adhesive application processes.
Our commitment to global standards is backed by independent testing and rigorous compliance certifications.
BS 476 Standard
CE Compliance
UL94 Fire Safety
ASTM International
As a designated production enterprise certified by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry, Kingflex ensures total manufacturing traceability for every raw material batch processed.
Our QC team verifying product specifications prior to packaging.
Continuous continuous-vulcanization and foaming line for self-adhesive sheets.
Uncensored chat evidence and verification from international buyers highlights the reliability of our logistics, product sizing accuracy, and adhesive performance.





A rigorous breakdown of size parameters, product shapes, and environmental target applications.
Our continuous roll-form elastomeric foam represents the pinnacle of surface insulation. Specially engineered to wrap large-diameter pipes, rectangular ductwork, and tanks, it provides a seamless layer with no cold bridge points.
1. Central air conditioning ductwork wrap.
2. Structural thermal and acoustic isolation in industrial facilities.
3. Moisture prevention for low-temp process machinery and solar thermal pipes.




Designed for piping arrays, the pre-extruded cylindrical NBR/PVC tubes offer uniform wall thickness and concentricity, preventing local hot spots or condensation zones on small to medium bore lines.
1. Chilled and hot water supply pipelines in commercial offices.
2. Refrigeration lines and complex HVAC compressor loops.
3. Industrial cryogenic pipeline networks.




Visualizing Kingflex performance across municipal, chemical processing, thermal energy, and HVAC pipeline networks.












How specialized factory-applied self-adhesive elastomeric insulation solves complex infrastructure challenges.
In high-capacity commercial complexes (e.g. data centers, hospitals, malls), ductwork air conditioning systems suffer massive energy loss through radiating metal interfaces. Traditional mineral wool requires tedious wrapping and vapor-barrier taping. Applying Kingflex SA1S elastomeric sheets directly to the steel surface eliminates the need for secondary adhesives. The high closed-cell density guarantees zero airflow obstruction, prevents micro-fiber release, and eliminates the condensation cycle that breeds toxic mold inside building envelopes.
For liquid gas transport, LNG terminals, and chemical processing pipelines, operating temperatures frequently drop below -150°C. Standard foams crack under thermal shock. Kingflex multi-layered cryogenic elastomeric solutions utilize modified elastomers combined with heavy-duty acrylic self-adhesives to absorb extreme structural contraction. The high resistance to moisture vapor entry prevents pipe corrosion under insulation (CUI)—one of the most critical security vulnerabilities in heavy industry.
High-vibration machinery rooms, marine hulls, and gymnasiums require structural damping to control low-frequency noise. By utilizing specialized open-cell variants or high-density gym shockproof panels, the acoustic absorption coefficient rises drastically. Applied self-adhesive layers allow installers to rapidly mount sound barriers directly onto steel paneling, decoupling vibrational energy before it radiates into structural elements.
Clear, direct, and technically sound answers to the most common questions regarding elastomeric foam and self-adhesive performance.
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation. The closed-cell structure makes it exceptionally effective at preventing condensation on cold lines.
Yes, our rubber foam insulation is fire retardant, meeting the safety standards of building and industrial projects worldwide (such as BS 476 Class 0, CE, REACH, and UL94 flammability standards).
Rubber foam is flexible, closed-cell, and moisture-proof, suitable for HVAC and building condensation control. Rock wool is high-temperature resistant and fireproof, suitable for industrial high-temperature steam lines exceeding 200°C.
Yes, we support comprehensive OEM services to meet different project needs, including customized sheet thicknesses, pipe inner diameters, custom self-adhesive backings, and fiberglass reinforcement coatings.
Our products have passed BS 476, CE, REACH, ROHS, UL94, ASTM, and other international certifications, ensuring product quality and compliance with global environmental and safety standards.
Yes, every batch of Kingflex raw materials, foaming process variables, and packaging outputs is cataloged with a batch code to ensure complete historical traceability for industrial project compliance.
We can produce sheet rolls and plates in thicknesses ranging from 6mm to 50mm to meet diverse thermal delta requirements.
When installed correctly according to technical guidelines, the typical service life of our premium NBR/PVC insulation is about 10 to 15 years under normal operational parameters.
Our factory-applied Pressure-Sensitive Adhesives (PSA) are formulated with cross-linked acrylic polymers that resist degradation from structural heat cycles, preventing peeling or separation at high service temperatures up to +90°C.
For optimal bonding, ensure the metal or substrate surface is clean, dry, and free of oils, grease, rust, or loose paint. Wipe surfaces down with a cleaning solvent like isopropyl alcohol before applying the sheet.
Examine our full industrial solutions, from gym shockproof pads to ultra-low temperature cryogenic systems.