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China Closed Cell Elastomeric Insulation Pricelist & Quotes

A Comprehensive Engineering Guide, Material Specifications, and Procurement Price Matrix for Global HVAC, Cryogenic, and Industrial Insulation Systems.

Featured Closed Cell Elastomeric Materials

Direct factory prices & detailed specifications for professional engineering requirements.

Wholesale Waterproof Rubber Foam Insulation Sheet Roll

Waterproof Rubber Foam Insulation Sheet Roll Factory

Get Pricelist & Specs
Wholesale Industrial Rubber Foam Insulation Pipe

Industrial Rubber Foam Insulation Pipe Supplier

Request Quote Details
China Kingflex Rubber Foam Insulation Sheet Roll

Kingflex Rubber Foam Insulation Sheet Roll

Factory Quotes & Dimensions
China Corrosion Resistant Rubber Foam Insulation Tube

Corrosion Resistant Rubber Foam Insulation Tube

Anti-Corrosive Tech Data Sheet
China Kingflex Green Color Rubber Foam Insulation Sheet Roll

Kingflex Green Color Rubber Foam Insulation Sheet Roll

Green Series Quotation
Wholesale Insulation Rubber Foam Product Factories

Insulation Rubber Foam Product Factory Direct

FOB Pricelist Download
Wholesale High Density Acoustic Panel Sound Absorbing Ceiling

High Density Sound Absorbing Acoustic Ceiling Panels

Acoustic Specs & Prices
China Refrigeration Rubber Foam Insulation Tube

Refrigeration Rubber Foam Insulation Tube Factory

Refrigeration Pricelist

Understanding Closed Cell Elastomeric Insulation Materials

Closed-cell elastomeric insulation represents a pinnacle of modern thermal design, composed chiefly of synthetic elastomeric compounds such as Nitrile Butadiene Rubber (NBR) and Polyvinyl Chloride (PVC). The material's unique structure consists of millions of microscopic, independent gas-filled cells, which effectively block the convective flow of heat and prevent vapor migration.

Compared to traditional fibrous insulations like fiberglass or mineral wool, Kingflex elastomeric foam stands out due to its built-in vapor barrier. Because it contains no open air gaps between cells, moisture cannot bypass the surface, rendering it highly resistant to mold growth and mechanical deterioration caused by condensation.

SEO Insight & Information Gain: For HVAC and refrigeration pipelines, moisture ingress is the leading cause of insulation failure. Elastomeric insulation is defined by its water vapor diffusion resistance index (μ ≥ 10,000), which ensures the system's thermal conductivity (λ = 0.034 W/m·K at 0°C) remains constant over decades.

Kingflex elastomeric thermal insulation laboratory testing

600k+

Annual Capacity (Cubic Meters)

40+

Years of Group Manufacturing History

66+

Global Export Destinations

8

Professional R&D Engineers

Macro Industrial Solutions & System Integration

Engineered thermal mitigation across multi-sector infrastructures and harsh industrial environments.

Cryogenic & LNG Systems

Operating down to -196°C requires specialty cryogenic elastomeric configurations. Standard rubber foam stiffens; hence, Kingflex engineers formulated specific cryogenic solutions to manage structural contraction while retaining complete thermal integrity.

  • Stable K-value down to -196°C
  • Resistant to thermal mechanical stress
  • Mitigates cold-bridge condensation

HVAC & Commercial Cooling

Large-scale municipal and commercial properties rely on duct and pipe insulation to limit thermal leakage. Closed-cell rubber foam prevents exterior air from meeting cold pipes, bypassing the dew point limit perfectly.

  • Low flame spread indices (UL94 V-0)
  • High density acoustic dampening
  • Dust and fiber-free air handling

Chemical & Refinery Pipe Protection

Corrosion Under Insulation (CUI) costs industries billions annually. Kingflex formulation eliminates corrosive chlorides, keeping carbon and stainless steel structures insulated and structurally dry.

  • Corrosion-resistant formulation
  • Extended operating range (-40°C to 105°C)
  • Resistance to environmental weathering

Material Dimension Specifications & Pricing Drivers

Direct reference matrix for engineers and project procurement officers to plan logistical budgets.

Insulation Sub-Type Material Compounding Standard Thickness Range Density Parameter Service Temp. Limit Primary Industrial Standard
Black Rubber Foam Sheet Roll Premium NBR / PVC base 6mm – 50mm 40 – 55 kg/m³ -40℃ to 105℃ BS 476 Part 7 Class 1
Black Rubber Foam Pipe / Tube Extruded NBR / PVC base 9mm – 40mm (ID: 6-114mm) 40 – 55 kg/m³ -40℃ to 105℃ ASTM E84 25/50 Compliant
Cryogenic Low-Temp Elastomer Modified Alkadiene polymer 13mm – 50mm multi-layer 50 – 65 kg/m³ -196℃ to 105℃ ISO 15665 / Cryogenic Class IV
High Density Acoustic Board Viscoelastic sound barrier 10mm – 30mm 80 – 120 kg/m³ -20℃ to 85℃ ASTM C423 Alpha-coeff

Note on Project Quotations & Pricelists: Exact commercial quotes depend heavily on bulk volumes, custom thickness requests (e.g., 25mm thickness sheet rolls), and raw material market index variations. For accurate FOB Tianjin or CIF port destination prices, contact our sales engineers with detailed specifications.

Kingflex factory operations and assembly lines

Our Corporate Heritage & Scale

Kingflex Insulation Co., Ltd. is a leading industrial enterprise combining thermal insulation material research and development with large-scale production. Headquartered in Dacheng, China—widely regarded as the capital of energy-efficient green building materials—our operations are designed to address the challenges of global industrial energy consumption.

Established by the Kingway Group (formerly Jinwei Group, founded in 1979), Kingflex inherited over 40 years of pioneering technical expertise. Historically, the parent group was the first major thermal insulation material manufacturer north of the Yangtze River, paving the way for China's green building standards.

R&D Strength

8 professional engineers focusing on customized NBR/PVC polymer formulations.

Production Lines

5 fully-automated, continuous foaming assembly lines operating 24/7.

Kingflex sales office and technical service team
R&D laboratory equipment
Thermal conductivity tester machine

Global Regulatory Compliance & Traceability

Ensuring site safety, smoke suppression, and environmental compliance with verified certifications.

BS 476 fire safety test certification
CE conformity certificate for Europe market
RoHS and REACH toxicity test results
UL94 fire classification and testing sheet

Traceability and Standard Protocols

Every batch of elastomeric foam leaving the Kingflex assembly line is assigned a unique batch number, laser-printed on the outer casing or sheet backing. This allows our technical service team to track raw material composition, foaming temperatures, and laboratory testing parameters retrospectively, securing the end customer's engineering accountability.

Global Engineering Projects & Site References

Proven installations in high-demand environments globally.

Direct Client Verification & Inspection Reports

Client communication log 1
Client communication log 2
Client communication log 3
Client communication log 4
Client communication log 5

Technical Drawings & Application Dimension Standards

Specific dimension blueprints for black elastomeric foam sheet rolls and pre-formed tubes.

Rubber foam sheet dimension drawing
Sheet Roll Layout
Rubber foam pipe dimension drawing
Pre-formed Pipe Design
Joint sealing specifications
Joint Sealing Plan
Multi-layered cryogenic tube blueprint
Cryogenic Multi-layer

The Engineering Future of Elastomeric Materials

Kingflex R&D is driving environmental integration by addressing the challenges of energy transition and structural sustainability.

Halogen-Free Formulations

Traditional elastomeric insulations contain chlorine or bromine compounds as fire retardants. Kingflex is testing halogen-free alternatives (HF-series) to guarantee zero corrosive outgassing in high-temperature environments, preventing toxic micro-dust during critical building fire incidents.

Bio-Based Polymers

To reduce dependency on petrochemical monomers, we are researching agricultural co-products to partially replace NBR/PVC matrices. This reduces the carbon footprint of production without compromising the physical properties of the material.

Smart Insulation Jackets

We are prototyping integrated electronic resistance sensors embedded directly beneath the elastomeric pipe jackets. These sensors notify facilities management of moisture entry prior to physical corrosion onset, enabling predictive maintenance.

Technical FAQs & Project Consulting

Clear, direct answers from our engineering team regarding design and installation requirements.

Q1: What is elastomeric rubber foam insulation used for?
A1: It is primary used for insulating HVAC ducts, refrigeration and air conditioning pipework, building wall systems, industrial cold pipelines, and cryogenic storage tanks. It prevents thermal energy transfer and eliminates cold-surface condensation.
Q2: Is Kingflex rubber foam insulation fire resistant?
A2: Yes. Kingflex rubber foam incorporates specialized fire retardants, enabling it to meet international building standards including BS 476 Part 7 (Class 1), UL94 V-0, and ASTM E84. In contact with direct flames, the material is self-extinguishing and yields low smoke densities.
Q3: What is the difference between rubber foam and rock wool insulation?
A3: Rubber foam is a flexible, closed-cell elastomer with inherent vapor barrier properties, ideal for low-temperature applications, HVAC, and condensation control. Rock wool is a high-temperature fibrous material suitable for heavy industrial furnace pipes and high-temperature steam lines exceeding 250°C.
Q4: Do you provide customized insulation products?
A4: Yes, we provide full OEM and design customization services. We can adjust the foaming densities (40-120 kg/m³), surface colors (e.g., green, red, grey), and customize lengths, inner diameters, or apply adhesive backings depending on the project requirements.
Q5: What certifications do your products have?
A5: Kingflex materials have passed rigorous evaluations including BS 476, CE, REACH, RoHS, UL94, and ASTM. These certifications ensure compliant supply for commercial construction and industrial processing plants worldwide.
Q6: Does Kingflex products have traceability?
A6: Yes. Every production batch is laser-printed with processing metrics. This enables full historical tracing from raw polymer compounding to final packaging, supporting quality auditing processes.
Q7: What thickness of rubber foam insulation sheet roll can you produce?
A7: We can produce continuous sheets ranging from 6mm to 50mm in thickness. Single sheets can also be laminated for heavy-duty insulation requirements.
Q8: What is the service life of rubber plastic pipes and boards?
A8: Under standard operational parameters and professional installation, the typical lifetime of our rubber plastic insulation ranges from 10 to 15 years. Correct sealing of joints ensures stable performance over this period.

Complete Technical Catalogue & Specialized Products

Explore our complete product index with links to individual technical specifications and price lists.

China Rubber foam insulation roll sheet

Rubber Foam Insulation Roll Sheet Supplier

Get FOB Quotes
China Alkadiene Rubber Foam Insulation For the ULT Systems

Alkadiene Rubber Foam For Ultra-Low Temp Systems

Cryogenic Pricelist
China fiber glass wool thermal insulation board

Fiber Glass Wool Thermal Insulation Board

Board Pricelist & Specs
China 25mm thickness rubber foam insulation sheet roll

25mm Thickness Rubber Foam Insulation Sheet Roll

Factory Quotes & Orders
China Anti-aging Rubber Foam Insulation Tube

Anti-Aging Rubber Foam Insulation Tube

Spec Sheet & Quotes
China Kingflex rubber foam insulation tube

Kingflex Rubber Foam Insulation Tube

Direct Factory Prices
China Insulated Rubber Foam Insulation Tube

Pre-Insulated Rubber Foam Insulation Tube

Request Pricelist
China Open cell rubber foam insulation for sound-absorbing

10mm Open Cell Acoustic Rubber Foam Insulation

Acoustic Quotes & Specs

Raw Material & Manufacturing Phase Gallery

Production process phase 1
Production process phase 2
Production process phase 3
Production process phase 4
Production process phase 5
Production process phase 6
Production line detail 1
Production line detail 2
Production line detail 3
Production line detail 4
Production line detail 5
Finished products inspection 1
Finished products inspection 2
Finished products inspection 3
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Finished products inspection 5
Finished products inspection 6