China Nitrile Foam Insulation Tube Manufacturers & Pricelist

A comprehensive industrial whitepaper on high-performance elastomeric closed-cell insulation system solutions.

Premier Nitrile Foam Insulation Selection

Direct factory product offerings manufactured under ISO certified facilities utilizing advanced NBR/PVC chemical compounds.

Central AC Ducting Nitrile rubber foam insulation

China Central AC Ducting Nitrile Rubber Foam Insulation Sheet

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Wholesale Kingflex pipe insulation NBR PVC

Wholesale Kingflex Pipe Insulation Made From NBR & PVC

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Self-adhesive Rubber Insulation Roll

China Self-Adhesive Rubber Insulation Roll-2 Factory & Quotes

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KINGFLEX INSULATION TUBE NBR PVC

Wholesale KINGFLEX INSULATION TUBE (NBR/PVC Blend)

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Kingflex Aluminum Foil-Clad Rubber Foam Sheet Roll

Wholesale Kingflex Aluminum Foil-Clad Rubber Foam Sheet Roll

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Wholesale TUBE-1119-2 Manufacturers

Wholesale TUBE-1119-2 Performance Insulation Tubes

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Kingflex insulation tube black flexible elastomeric

Kingflex Black Flexible Elastomeric Foam Insulation Tube

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Flexible Adhesive Thermal Insulation Rubber Foam Sheets

Wholesale Flexible Adhesive Thermal Insulation Rubber Foam Sheets

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Global Industry Analysis: Nitrile Rubber Foam Insulation

The global elastomeric thermal insulation market is witnessing structural shifts driven by rigorous energy conservation codes and building decarbonization mandates. Nitrile rubber (NBR/PVC) foam has emerged as the definitive material choice for modern HVAC/R systems, chilled water lines, process piping, and acoustic damping arrays. Characterized by its closed-cell formulation, this synthetic rubber co-polymer matrix prevents moisture ingress and condensation, which are key drivers of Corrosion Under Insulation (CUI).

In massive HVAC projects across North America, Europe, and Asia-Pacific, design engineers prioritize materials that sustain thermal barrier integrity while maintaining low chemical emissions (Low VOC). The thermal conductivity of elastomeric foam remains incredibly stable, ensuring long-term system efficiency and lowering structural operating budgets.

Furthermore, the growth of the cold-chain logistics market—essential for food distribution and pharmaceuticals—demands heavy-duty piping systems insulated with cryogenic and sub-ambient materials. Traditional rock wool or fiberglass lack the innate vapor barrier properties required for low-temperature applications, creating a natural market pull toward flexible elastomeric foam tubes.

As sustainability certificates like LEED, BREEAM, and DGNB dictate global building design criteria, procurement directors must source certified, traceable, and zero-ozone depleting potential (ODP) insulation products from reliable manufacturing partners.

>600K
Annual Capacity (m³)
40+
Years Industry Lineage
66+
Global Export Countries
>98%
Closed Cell Ratio

Thermodynamic Properties & Structural Advantages

An in-depth structural review of NBR/PVC properties explaining why elastomeric closed-cell structures outperform fibrous insulation.

Low Thermal Conductivity

An exceptional thermodynamic molecular structure allows for thermal conductivity ratings as low as 0.034 W/m·K at 0°C. This significantly restricts heat transfer and saves HVAC system power cycle operating costs.

Vapor Barrier Integrity

With an even and fully foamed structure (closed-cell rate exceeding 98%), the material possesses high moisture resistance, rendering external foil facing optional except in extreme outdoor environments.

Flame & Fire Safety

Formulated with premium flame retardants, Kingflex elastomeric foam achieves Class 0 and Class 1 standards (BS 476), UL94 V-0 ratings, and self-extinguishes, producing minimal toxic fumes.

Property Parameter NBR/PVC Elastomeric Sheet Roll NBR/PVC Elastomeric Insulation Pipe
Standard Thickness 6mm - 50mm 9mm - 40mm
Inner Diameter (ID) N/A (Flat sheet/roll structure) 6mm - 114mm
Density Range 40 - 55 kg/m³ 40 - 55 kg/m³
Service Temperature Limit -40℃ to +105℃ -40℃ to +105℃
Compression Resilience >80% recovery rate >80% recovery rate
Water Vapor Permeability Stable, high resistance coefficient Even micro-cellular distribution

Kingflex Insulation Co., Ltd.

Kingflex Insulation Co., Ltd. represents a professional manufacturing and trading combo optimized for global thermal insulation product supply. Our core research, development, and primary production divisions are strategically situated in Dacheng, China—historically recognized as the capital of green-building materials.

As an energy-saving and environmental-friendly enterprise, we concentrate on the complete lifecycle of thermal protection systems. From initial structural consultation and product R&D down to post-installation feedback, we work closely with engineering design firms and corporate procurement divisions globally to minimize energy loss.

Kingflex Insulation Factory Plant Facility

A Legacy Built Over 4 Decades

Kingflex was established by the Jinwei Group, which boasts over 40 years of industry history. Established originally in 1979, Jinwei Group pioneered the research and production of modern thermal insulation systems north of the Yangtze River.

Leveraging this legacy, Kingflex has modernized its capabilities by building automated assembly lines, adopting cutting-edge vulcanization chambers, and establishing a professional testing center ensuring structural compliance for large infrastructure works.

Jinwei Group History and Industrial Production Foundation

R&D Integration & Production Scale

Engineered for Scalability

Today, Kingflex operates five large, fully-automated continuous assembly lines. This infrastructure delivers an annual production capacity exceeding 600,000 cubic meters, allowing us to serve major global supply programs simultaneously.

We are a designated production enterprise certified by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry, validating the quality of our material output in critical national infrastructure projects.

Our R&D division hosts 8 professional senior material engineers dedicated to compound optimization, acoustic control development, and cryogenic insulation systems.

Kingflex Research and Development Laboratory Staff

Inside Kingflex Production & R&D Facilities

R&D Testing Instrument
Quality Control Inspection
Raw Material Analysis Laboratory
Kingflex Factory Assembly Line Area
Kingflex Factory Workshop Storage
Production Process Line 1
Production Process Line 2
Industrial Vulcanization Chamber

Industrial Application Scenarios

Analyzing specific engineering environments where elastomeric insulation delivers superior performance compared to mineral wool or fiberglass.

HVAC Systems

Prevents condensation on commercial building chilled water lines, fan coil units, and central duct systems, protecting structural ceilings from water damage.

Cold Chain Logistics

Maintains sub-ambient temperature stability for refrigerant pipelines in shipping, cold-storage warehouses, and specialized temperature-sensitive containers.

Chemical Processing

Offers corrosion resistance for petrochemical pipes, chemical supply lines, and industrial reactors, preventing corrosion under insulation (CUI).

Acoustic Control

The micro-cellular structure dampens mechanical vibration and airborne sound transmission in high-density machine rooms, ventilation ducts, and HVAC shafts.

Piping Application Example 1
Piping Application Example 2
HVAC Duct Insulation Work
Heavy Piping Installation Process
Chilled Water Line Insulation
Insulated Process Lines
Complex Piping Manifold Assembly
Large Diameter Valve Insulation

Traceable Quality and Certifications

Kingflex insulation products conform to major international engineering standards, verified by independent testing laboratories.

International Certifications

To support global supply programs, Kingflex products hold certificates including BS 476, CE, REACH, ROHS, UL94, and ASTM. This ensures compliance with structural codes, building regulations, and environmental limits in markets worldwide.

Our raw material sourcing is controlled and documented, enabling complete batch traceability from raw elastomer polymerization down to final foam tube extrusion.

Kingflex ISO Certification Doc CE Compliance Certificate RoHS Testing Certificate UL Flame Test Certification

Verified Client Collaborations

Transparent communications demonstrating real-time quality assurance feedback and procurement coordination with global buyers:

Client Communication Screenshot 1
Client Communication Screenshot 2
Client Communication Screenshot 3
Client Communication Screenshot 4
Client Communication Screenshot 5

Standard Materials Specification Profiles

Black Rubber Foam Insulation Sheet Roll

Dimension Profile: Thickness ranges from 6mm to 50mm. Designed primarily for flat surfaces or large diameter pipelines. Supplied with optional self-adhesive mesh backings or aluminum foil facing for high ultraviolet (UV) exposure locations.

  • Density range: 40-55 kg/m³
  • Closed-cell ratio: >98%
  • Compression resilience: >80%
  • Vapor barrier performance: High resistance coefficient
Sheet roll detail 1 Sheet roll detail 2
Sheet roll detail 3 Sheet roll detail 4

Black Rubber Foam Insulation Pipe

Dimension Profile: Thickness ranges from 9mm to 40mm. Inner diameters span 6mm to 114mm. Engineered to slide directly over standard copper, steel, and carbon piping networks before final connection joints.

  • Flame retardant: Self-extinguishing
  • Thermal conductivity: Stable over operational lifespan
  • Elasticity: High flexibility speeds up installation around bends
  • Corrosion resistance: Protects metallic substrates from condensation
Pipe detail 1 Pipe detail 2
Pipe detail 3 Pipe detail 4

Additional Factory Operations Gallery

Featured Industrial Materials Portfolio

Review our core line of elastomeric foam tubes, cryogenic insulation wraps, and specialist rock wool blankets.

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

Black Rubber Foam Insulation Pipe

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Foam Rubber Foam Insulation Tube

Foam Rubber Foam Insulation Tube

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HVAC Rubber Foam Insulation Tube

HVAC Rubber Foam Insulation Tube

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Elastomeric rubber foam insulation system

Elastomeric Rubber Foam Insulation System

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Kingflex flexible insulation material for cryogenic

Kingflex Flexible Insulation for Cryogenic Lines

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Cryogenic rubber foam low temp

Cryogenic Rubber Foam for Low Temp Applications

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Elastomeric cryogenic insulation

Elastomeric Cryogenic Insulation System

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Rock Wool Insulation Board

Industrial Grade Rock Wool Insulation Board

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rock wool thermal insulation blanket

Rock Wool Thermal Insulation Blanket

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Q&A Technical Knowledge Base

A collection of engineering questions and solutions regarding nitrile foam installation, performance characteristics, and testing protocols.

Q1: What are the primary applications of elastomeric rubber foam insulation?
A1: It is primarily used for central HVAC duct systems, chilled/hot water piping, commercial building thermal barrier envelopes, and cold insulation in industrial processing facilities. Its closed-cell structure prevents moisture condensation and blocks temperature transfer.
Q2: Is Kingflex rubber foam insulation classified as fire-resistant?
A2: Yes, our elastomeric foam contains specialized flame-retardant additives that comply with international fire standards, meeting BS 476 (Class 0 and Class 1), UL94 V-0, and ASTM E84 compliance ratings.
Q3: How does rubber foam insulation compare to rock wool?
A3: Rubber foam features a highly flexible, closed-cell, moisture-proof structure, making it ideal for sub-ambient systems and condensation control. Rock wool is a fibrous material with superior high-temperature limits, suitable for fire barriers and industrial steam loops.
Q4: Does Kingflex support custom OEM dimension requests?
A4: Yes, we provide full OEM support, adjusting dimensions, thicknesses (from 6mm up to 50mm), internal piping diameters, and surface laminations (e.g., aluminum foil facing, self-adhesive backing) to meet project specifications.
Q5: Which quality certifications do Kingflex products carry?
A5: Our products conform to global performance benchmarks and carry testing certifications from BS 476, CE, REACH, RoHS, UL94, and ASTM.
Q6: Do you maintain product and batch traceability?
A6: Yes, all Kingflex manufacturing outputs are marked with specific batch codes, allowing for quality tracking from raw materials down to final distribution.
Q7: What is the thickness range available for sheet rolls?
A7: We produce sheet rolls in standard thicknesses ranging from 6mm to 50mm, accommodating a wide range of thermal resistance specifications.
Q8: What is the expected service life of NBR/PVC elastomeric insulation?
A8: When installed according to manufacturer specifications in indoor environments, Kingflex insulation systems offer an operational service life of approximately 10 to 15 years.

Featured Industrial Materials Selection

Direct factory product offerings manufactured under ISO certified facilities utilizing advanced NBR/PVC chemical compounds.

Wholesale Kingflex rubber insulation pipe

Wholesale Kingflex Rubber Insulation Pipe

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Kingflex closed cell nitrile rubber foam sheet roll

Kingflex Closed Cell Nitrile Rubber Foam Sheet Roll

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Wholesale Kingflex NBR thermal insulation foam

Wholesale Kingflex NBR Flexible Closed Cell Thermal Insulation Foam

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China Closed Cell Rubber Foam Insulation Tube

China Closed Cell Rubber Foam Insulation Tube Factory

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China Kingflex thermal insulation manufacturers

China Kingflex Rubber & Plastic Flexible Closed-Foam Insulation

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China rubber plastic foamed heat preservation products

China Rubber-Plastic Foamed Heat Preservation Products

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China Elastomeric nitrile rubber insulation open cell

China Elastomeric Nitrile Rubber Insulation (Special Open-Cell)

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Wholesale elastomeric NBR/PVC rubber foam insulation roll

Wholesale Elastomeric NBR/PVC Rubber Foam Insulation Sheet Roll

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