Kingflex Kingflex

Wholesale Cryogenic Insulation Material Pricelist & Quotes

High-Performance Closed-Cell Thermal & Cold Insulation Solutions for Industrial, HVAC, and Ultra-Low Temperature Pipelines.

The Next Frontier in Cryogenic & Low-Temperature Insulation

As the global energy transition accelerates, the demand for ultra-low temperature systems—specifically Liquefied Natural Gas (LNG), ethylene liquid distribution, and liquid nitrogen applications—has surged. Cryogenic systems require insulation solutions that prevent not only massive thermal losses but also structural failure. Thermal stress contraction and vapor barriers are major engineering challenges at temperatures below -40°C down to -200°C.

Traditional open-cell structures fail quickly under these conditions due to atmospheric moisture ingress. When vapor penetrates the barrier, it turns into ice, causing structural cracking, degradation of insulation value, and rapid pipeline corrosion under insulation (CUI). Our advanced closed-cell NBR/PVC elastomeric foam provides a complete barrier against thermal bridging and condensation.

Industrial Cryogenic Insulation Pipelines

Global Industry Trends & Technological Innovations

1. Transition to Halogen-Free Materials

Environmental standards globally dictate strict control over emissions and toxic smoke. The integration of halogen-free elastomeric foams ensures low toxicity and minimal smoke generation in case of fire, critical for safety in petrochemical plants and offshore marine applications.

2. Higher Flame-Retardant Standards

Projects now demand compliance with rigorous fire safety ratings such as BS 476 (Class 0), ASTM E84, and UL94 V-0. Modern synthetic rubbers are engineered to self-extinguish, preventing flame propagation across miles of pipeline networks.

3. Smart Industrial Procurement

Procurement departments are moving away from spot purchases towards verified factory partners offering absolute traceability. Standard dimensional matrices and third-party certifications (REACH, RoHS, CE) are mandatory baselines for commercial bid qualification.

Kingflex Manufacturing Facility

China Factory 4.0: Supply Chain Resilience & Cost Efficiencies

Operating from Dacheng, China—the world-renowned capital of green building materials—our production plant represents the cutting edge of thermal insulation manufacturing. Integrating smart automation under Industry 4.0 principles, we ensure that batch processing maintains consistent physical density, cell layout, and elastomeric resilience.

With an annual capacity exceeding 600,000 cubic meters across 5 automated assembly lines, we guarantee global delivery timelines. For international procurement managers, this represents a resilient supply chain partner capable of handling massive commercial construction and industrial requirements without quality drift.

40+
Years of Manufacturing Heritage
600K m³
Annual Production Capacity
66+
Countries Exported Globally
8
Professional R&D Engineers

Technical Specifications & Standard Dimensions

Our materials undergo rigorous quality checks to meet global industrial projects. Below are the physical profiles for our primary closed-cell elastomer product lines:

Material Category Standard Thickness Range Inside Diameter (ID) Range Physical Density Service Temp. Limit Closed-Cell Ratio
Black Rubber Foam Sheet Roll 6mm - 50mm N/A (Roll Format) 40 - 55 kg/m³ -40℃ to 105℃ > 98%
Black Rubber Foam Pipe 9mm - 40mm 6mm - 114mm 40 - 55 kg/m³ -40℃ to 105℃ > 98%
Cryogenic Elastomeric Insulation Custom Layered Config Variable / Custom 45 - 60 kg/m³ Down to -200℃ > 99%

High-Performance Black Rubber Foam Sheet Roll

Our sheets foam evenly and fully to preserve an optimized micro-cell structure. With a compression resilience rate over 80%, this material absorbs structural impacts and adapts to movements caused by extreme thermal contraction in cryogenic lines. The fully closed-cell layout provides an exceptionally high water vapor resistance factor ($\mu \geq 10,000$), ensuring the thermal conductivity remains stable for over 15 years of continuous outdoor operational cycle.

Precision-Engineered Black Rubber Foam Pipe

Our pipe insulation utilizes professional high-pressure extrusion and internal spraying technologies, producing a perfectly even skin coat. By eliminating localized density variations, these tubes minimize thermal bridging at joints. The elasticity allows rapid installations around tight bends, significantly decreasing installation labor times and material wastage rates.

Target Application Environments

Petrochemical & Ethylene Plants

Process piping requires continuous cooling preservation. Stable low-density foam provides thermal protection against high ambient humidity and heat, avoiding volatile chemical evaporation.

Commercial HVAC Systems

Applied to large water chillers, condensate ducts, and HVAC conduits. Combats sweating (dripping condensation) in hotels, hospitals, and high-rise office towers.

Industrial Refrigeration

Suitable for cold storage logistics facilities, flash-freezing assembly zones, and industrial processing units where temperature fluctuations impact inventory safety.

Our Corporate Heritage & R&D Excellence

Established under the prominent Jinwei Group, which boasts a rich history spanning back to 1979, Kingflex Insulation Co., Ltd. has grown to become the first manufacturer of thermal insulation materials north of the Yangtze River. We integrate research, production, planning, and design into a comprehensive service model.

Our strength lies in our dedicated workforce. With a tight-knit division comprising 8 dedicated R&D engineers, 6 international sales specialists, and 230 production floor workers, we manage complex customization requests for pipeline infrastructure projects worldwide. From initial project evaluation to site installation consultancy, our teams support clients throughout the planning phase to guarantee high thermal protection.

Kingflex R&D Team and Engineers

R&D & Quality Control Lab Testing

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International Compliance & Certifications

All insulation lines pass rigorous global auditing requirements, proving safety, thermal conductivity stability, and material consistency.

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Global Project Implementations

Our materials protect pipelines in massive multi-scale developments across aerospace, chemical manufacturing plants, and infrastructure projects.

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Manufacturing Operations & Warehouse Stock

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Global Client Cooperation & Communications

Real-time coordination and high feedback loop tracking with our international partners ensures frictionless custom configuration runs.

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Frequently Asked Questions (FAQ)

Q1: What is elastomeric rubber foam insulation used for?
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation. Its closed-cell design prevents condensation in cooling lines and thermal losses in hot systems.
Q2: Is Kingflex rubber foam insulation fire resistant?
Yes, our rubber foam insulation products are flame retardant, which meets the safety standards of building and industrial projects (such as BS 476 Class 0, ASTM E84, and UL94 testing). They are self-extinguishing and do not drip fire particles.
Q3: What is the difference between rubber foam and rock wool insulation?
Rubber foam is flexible, closed-cell, and highly moisture-proof, making it ideal for HVAC, refrigeration, and low-temperature pipelines. Rock wool is high-temperature resistant and fireproof, suitable for high-heat industrial pipeline thermal insulation (above 150°C to 600°C).
Q4: Do you provide customized insulation products?
Yes, we support comprehensive OEM and ODM services. We can customize density, wall thickness, inner diameter, colorways, and self-adhesive backings to meet specific industrial and commercial project parameters.
Q5: What certifications do your products have?
Our products have passed international standard certifications including BS 476, CE, REACH, RoHS, UL94, and ASTM. This guarantees compliance with strict building safety codes and hazardous substance regulations globally.
Q6: Does Kingflex products have traceability?
Yes. Every production run undergoes complete physical verification and is assigned batch codes for tracing raw material composition, production date, and laboratory performance checks.
Q7: What thickness of Rubber foam insulation sheet roll can you produce?
We can produce thicknesses ranging from 6mm to 50mm, providing flexible solutions for single-layer installations or multi-layer composite cryogenic insulation designs.
Q8: What is the typical service life of rubber plastic pipes and boards?
Under normal operating conditions and correct installation procedures, the service life ranges between 10 to 15 years, maintaining consistent thermal resistance without degradation.
Q9: Why is closed-cell structure critical for cryogenic systems?
At ultra-low temperatures, any atmospheric moisture entering the insulation turns to ice, causing expansion cracks and complete failure. Closed-cell configurations contain sealed micro-pockets that prevent gas/vapor migration, eliminating cold loss.