Kingflex Kingflex

China Kingflex Glass Wool & Elastomeric Foam Insulation Solutions

Premium thermal barrier engineering, high-efficiency acoustics, and cryogenic containment solutions designed for the global commercial and industrial sectors.

Featured Industrial Insulation Systems

Direct from China's leading manufacturing factories: explore our high-density fiberglass wool blankets and premium elastomeric closed-cell foam solutions optimized for structural efficiency, fire protection, and thermal resistance.

Wholesale Insulation rubber foam product Factories

Wholesale Insulation Rubber Foam Products

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China fiber glass wool thermal insulation blanket Suppliers

China Fiberglass Wool Thermal Insulation Blanket

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China NBR PVC RUBBER FOAM SHEET

China NBR PVC Rubber Foam Sheet Systems

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Wholesale Rubber Foam Insulation For Cryogenic Systems

Rubber Foam Insulation for Cryogenic Systems

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China Kingflex Closed Cell Rubber Foam Sheet With Aluminum Foil

Closed Cell Rubber Foam Sheet with Aluminum Foil

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Wholesale Elastomeric cryogenic insulation for Ultra Low Temperature

Elastomeric Cryogenic Ultra-Low Temp Insulation

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Wholesale Kingflex rubber foam pipe uses NBR

Kingflex NBR Raw Material Rubber Foam Pipe

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China Kingflex elastomeric rubber foam soundproof insulation

Elastomeric Rubber Foam Soundproof Insulation

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Macro-Industry Solutions & Thermal Physics

In the era of rapid decarbonization and demanding green building certifications (such as LEED v4.1 and BREEAM), industrial and structural insulation can no longer be treated as secondary materials. They are primary tools for structural thermal resistance and systems safety. Modern thermal insulation engineering demands deep integration across mechanical systems, envelope physics, and materials engineering.

Structural Insulation

Our high-density glass wool blankets provide structural thermal resistance, preventing thermal bridging in curtain walls, steel frames, and concrete assemblies. The fibrous structure traps millions of micro air pockets to keep thermal conductivity exceptionally low.

HVAC Performance

Condensation is the primary point of failure in cold-water piping and ducted air networks. Kingflex closed-cell elastomeric foam acts as an integrated moisture vapor barrier, achieving an extremely high water vapor diffusion resistance index (μ ≥ 10,000).

Cryogenic Containment

For applications involving LNG pipelines, liquid nitrogen storage, and ultra-low temperature processing (down to -200°C), specialized multi-layered elastomeric systems prevent cryogenic thermal shock, keeping industrial media stable.

Kingflex Insulation Co., Ltd.

Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research development and production hub is located in Dacheng, China, the well-known capital of green building materials. As an energy-saving, environmentally friendly enterprise, we concentrate on the research, development, production, and sales of high-performance insulation systems.

In our daily operations, Kingflex prioritizes energy conservation and consumption reduction. We deliver comprehensive insulation solutions through consultation, customized R&D production, installation guidance, and dedicated post-sales service to lead the advancement of the global building materials industry.

Kingflex Manufacturing Facility
40+
Years of Industry History
600K
Annual Cubic Meters Output
5
Large Automatic Lines
66+
Exporting Countries
Historical Timeline and Factory Evolution

Our Legacy & Infrastructure

Established by the Jinwei Group, which has a history of more than 40 years dating back to 1979, Kingflex stands as a pioneer in northern China's insulation industry. Jinwei Group was the first manufacturer of thermal insulation materials north of the Yangtze River.

Today, Kingflex operates 5 large-scale automated assembly lines. Our status as a designated supplier for the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry reflects our engineering precision and production capacity.

Experienced R&D Engineers

A cohesive team with a shared vision is essential for industrial consistency. The Kingflex team consists of a talented group focused on delivering first-class service to clients globally.

Our R&D department features 8 professional engineers, supported by 6 international sales consultants and over 230 manufacturing workers in our production plants.

Kingflex R&D Team

Core R&D Labs & Testing Facilities

Global Compliance & Certifications

International engineering projects require strict regulatory compliance. Kingflex materials are tested and certified to meet fire safety, toxicity, and environmental standards worldwide.

BS 476 Part 6 & 7

British fire safety standard for low flame spread and heat release, certified for commercial high-rises and public structures.

UL 94 V-0

Highest standard for vertical burn resistance, ensuring safety in industrial electrical rooms and critical pathways.

CE & ASTM C518

Verified for European distribution with thermal transmission properties measured using heat flow meter apparatus.

REACH & RoHS

Guarantees the absence of hazardous substances like heavy metals, polybrominated biphenyls, and phthalates.

Technical Data Sheets & Dimensions

Refer to the exact mechanical and thermal parameters of our primary product variants. Custom densities and configurations are available upon request.

Black Rubber Foam Insulation Sheet Roll

Material Base
Nitrile-Butadiene Rubber (NBR) & Polyvinyl Chloride (PVC) Blend
Thickness Range
6mm to 50mm
Bulk Density
40 to 55 kg/m³
Service Temp.
-40℃ to 105℃
Closed Cell Rate
> 98%
Fire Properties
Flame retardant, self-extinguishing

Black Rubber Foam Insulation Pipe

Material Base
Elastomeric NBR/PVC Composite
Thickness Range
9mm to 40mm
Inside Diameter
6mm to 114mm
Bulk Density
40 to 55 kg/m³
Service Temp.
-40℃ to 105℃
Coating Process
Professional continuous spray-extrusion

Industrial Application Matrix

We design custom thermal barriers for challenging environments. Our materials are engineered to perform in specific applications.

HVAC & Chilled Water

Controls condensation on commercial ductwork, central air conditioning piping, and refrigerant lines. Prevents moisture infiltration, protecting systems from corrosion under insulation (CUI).

Process & Steam Piping

Maintains target fluid temperatures in chemical processing, power plants, and oil refineries. High-density glass wool blankets handle process temperatures up to 400℃, reducing heat loss.

Solar & High-Temperature Systems

Specialized dual-temp elastomeric rubber and mineral wool compositions withstand outdoor UV degradation and solar collector temperatures, maintaining insulation efficiency over time.

Global Projects & Field Performance

Our insulation materials are installed across international commercial airports, municipal subways, regional hospital facilities, and petrochemical processing hubs.

Direct Customer Interactions & Quality Approvals

We maintain open channels of feedback and technical customization with engineering partners worldwide. Below are direct design logs and communications validating our global project delivery.

Inside the Kingflex Factories

Take a look inside our manufacturing lines. Continuous automated control ensures thickness accuracy, density control, and consistency in every batch of glass wool and elastomeric rubber foam.

Technology Roadmap & Future Outlook

At Kingflex, we focus on the continuous development of insulation technology. Our product roadmap centers on structural performance, environmental sustainability, and temperature stability.

Phase 1: 2024 - 2025

Low-Emission Binders

We are transitioning our glass wool production lines to bio-based binders. This step reduces free formaldehyde and VOC emissions, helping projects meet indoor air quality standards like WELL and LEED.

Phase 2: 2026 - 2027

Aerogel Composites

Integrating silica aerogel structures with our elastomeric foam substrates. This development aims to lower thermal conductivity to ≤ 0.028 W/m·K at 0°C, allowing for thinner insulation profiles.

Phase 3: 2028 & Beyond

Zero-Carbon Manufacturing

Implementing electric melting technology in our glass wool furnaces and utilizing 100% renewable electricity across our Dacheng production hub, working towards carbon-neutral operations.

Frequently Asked Questions

Find answers to technical and practical questions about our glass wool and elastomeric rubber foam insulation systems.

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. The closed-cell structure makes it effective at preventing condensation on cold-water systems.
Q2: Is Kingflex rubber foam insulation fire resistant?
Yes, our rubber foam insulation products are fire retardant, meeting international safety standards such as BS 476 Part 6 & 7 (Class 0/1) and UL 94, making them suitable for commercial and industrial projects.
Q3: What is the difference between rubber foam and rock wool/glass wool insulation?
Rubber foam is flexible, closed-cell, and moisture-proof, which is ideal for prevention of condensation on HVAC and refrigeration lines. Glass wool and rock wool are fibrous, open-cell materials that handle higher temperatures (up to 400°C) and provide sound absorption, making them suitable for acoustic partitioning and industrial hot-water or steam lines.
Q4: Do you provide customized insulation products?
Yes, we provide OEM and ODM services. We customize thickness, density, inside diameters for pipes, and facings (such as reinforced aluminum foil or self-adhesive backings) to match specific project requirements.
Q5: What certifications do your products have?
Our products are certified to BS 476, CE, REACH, RoHS, UL 94, and ASTM standards. This ensures our materials comply with fire safety, toxicity, and environmental regulations across various international markets.
Q6: Does Kingflex products have traceability?
Yes. Every production run has batch codes printed on the packaging and sheet backings. This allows us to track raw materials, production line conditions, and QC test records for every shipment.
Q7: What thickness of Rubber foam insulation sheet roll can you produce?
Our manufacturing line produces elastomeric rubber foam sheets in thicknesses ranging from 6mm to 50mm, providing appropriate thermal resistance for varying mechanical setups.
Q8: What is the service life of rubber plastic pipe and board?
When installed correctly and protected from direct UV radiation (using exterior cladding or UV-resistant paints), Kingflex elastomeric materials have an operational life expectancy of 10 to 15 years.

Full Product Classification

A comprehensive listing of Kingflex thermal, acoustic, and high-temperature insulation products.

Rubber elastomeric foam insulation tube

Rubber Elastomeric Foam Insulation Tube

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Corrosion Resistant Rubber Foam Insulation Tube

Corrosion Resistant Rubber Foam Insulation Tube

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Elastic Rubber Foam Insulation Pipe

Elastic Rubber Foam Insulation Pipe

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Black Rubber Foam Insulation Pipe

Standard Black Rubber Foam Insulation Pipe

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Foam Rubber Foam Insulation Tube

Flexible Foam Rubber Insulation Tube

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HVAC Rubber Foam Insulation Tube

HVAC Grade Rubber Foam Insulation Tube

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Elastomeric rubber foam insulation system

Elastomeric Rubber Foam System

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Kingflex flexible insulation material for cryogenic

Cryogenic Flexible Insulation Material

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Cryogenic rubber foam for low temperature

Low Temp Cryogenic Rubber Foam

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Elastomeric cryogenic insulation for low temperature

Low Temp Elastomeric Cryogenic Insulation

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Rock Wool Insulation Board

High Density Rock Wool Insulation Board

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rock wool thermal insulation blanket

Industrial Rock Wool Thermal Insulation Blanket

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More Kingflex Products

Explore additional products from our line of elastomeric closed-cell foam tubing, sheets, and low-temperature thermal isolation systems.

Wholesale Kingflex rubber foam insulation tube

Wholesale Kingflex Rubber Foam Insulation Tube

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China Kingflex Aluminum foil rubber foam roll

Aluminum Foil Covered Rubber Foam Sheet Roll

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China Flexible Cryogenic Insulation For Ultra Low Temperature

China Flexible Cryogenic Insulation Systems

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China Kingflex insulation rubber foam acoustic panel

Open Cell Structure Rubber Foam Acoustic Panel

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Wholesale cryogenic rubber foam insulation

Wholesale Cryogenic Rubber Foam Insulation

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Wholesale elastomeric insulation ultra low temperature

Elastomeric Ultra Low Temp Insulation System

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Wholesale Ultra Low Temperature Insulation Material

Ultra Low Temp Insulation for Cryogenic Systems

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Wholesale Kingflex rubber plastic foam insulation tube

Kingflex Rubber Plastic Foam Insulation Tube

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Production Quality Control & Packing Logs