Wholesale Rubber Foam Insulation Tube Manufacturer & Pricelist

High-Performance Closed-Cell Elastomeric Solutions for Industrial HVAC, Cryogenics, and Advanced Building Insulation

Global Industrial Status of Rubber Foam Insulation

In an era heavily focused on energy conservation, the demand for high-performance thermal insulation has reached unprecedented levels. Modern industrial processes, commercial HVAC networks, and cryogenic logistics require structural engineering materials that minimize thermal bridging, prevent moisture condensation, and optimize environmental metrics.

NBR/PVC based elastomeric closed-cell insulation has emerged as the global standard for low and medium-temperature applications. Because it features a high density of microscopic closed cells, it blocks heat transfer and offers robust resistance to moisture vapor.

66+
Global Export Markets
600K+ m³
Annual Capacity
Kingflex Industrial Insulation Facility
Kingflex Manufacturing Legacy

Our Heritage & Production Scale

Established by the Jinwei Group, which holds a distinguished history spanning more than 40 years, Kingflex Insulation Co., Ltd. has developed into a premier manufacturing and trading combo for thermal insulation systems. Kingflex's roots trace back to 1979, establishing itself as the first manufacturer of thermal insulation materials north of the Yangtze River.

Our dedicated research, development, and advanced manufacturing complexes are strategically located in Dacheng, China—widely recognized as the capital of green-building materials. Today, we operate five fully automated assembly lines. Our production has earned designated supplier status from the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry in China.

The Chinese Factory Advantage: Scale, Tech, and Cost Optimization

How Dacheng's green-building ecosystem translates into high value for global buyers

Procuring directly from China allows global buyers to benefit from unmatched manufacturing scales. By grouping raw chemical sourcing, custom mold fabrication, extrusion, and testing in Dacheng, we eliminate logistical bottlenecks.

This operational model delivers major benefits for international purchasers:

  • Continuous Extrusion: Automated systems run continuously to ensure uniform cell structure across miles of tubing.
  • Optimized Formulations: We blend nitrile-butadiene rubber (NBR) and polyvinyl chloride (PVC) directly on-site to control density and tensile strength.
  • Global Standards Compliance: Quality control protocols align with BS 476, CE, REACH, RoHS, UL94, and ASTM requirements.
Kingflex R&D Team and Operations

Standard Product Specifications

Precise engineering dimensions designed to fit global structural and industrial requirements

Black Rubber Foam Insulation Sheet Roll

MaterialNBR / PVC Premium Blend
Thickness Range6mm to 50mm
Density40 - 55 kg/m³
Service Temperature-40℃ to 105℃
Closed Cell Rate> 98%
Key Physical Advantages

Uniform foaming ensures consistent thermal performance. High compression resilience (>80%) makes it highly resistant to physical deformation on construction sites.

Core Applications

Perfect for central air conditioning air ducts, large industrial steam pipes, storage tanks, and building walls/roofs requiring acoustic dampening and thermal regulation.

Black Rubber Foam Insulation Pipe

MaterialElastomeric NBR/PVC
Thickness Range9mm to 40mm
Inner Diameter (ID)6mm to 114mm
Density40 - 55 kg/m³
Service Temperature-40℃ to 105℃
Key Physical Advantages

Our pipe spraying application process ensures an even coat, making installation easy and significantly reducing the risk of pipe freezing or cracking in cold climates.

Core Applications

Chilled water loops, domestic hot/cold water supply lines, refrigeration pipes, condensate pipelines, and solar thermal loops.

Advanced Technical Capabilities

For demanding environments, we supply specialized solutions designed for ultra-low and cryogenic systems operating down to -200 °C. These materials prevent condensation and thermal shock in LNG processing facilities and liquefied gas pipelines.

R&D Innovation & Quality Control

Active research, development, and inspection processes verified by international standards bodies

R&D Testing Laboratory

Laboratory Analysis

Continuous thermal conductivity and flammability testing inside our advanced DACheng facility.

Raw Material Inspection

Material Blending

Precise weighing and blending systems regulate density, flexibility, and flame retardancy.

Final Product QC

Quality Assurance

Strict quality inspections check thickness consistency, inner diameters, and closed-cell properties.

International Certifications & Accreditations

Demonstrating compliance with global fire safety and environmental regulations

ISO Certification
SGS Standards Compliance
BS 476 Fire Testing Certificate
CE Mark & Compliance Docs

Transparent Global Communication

Demonstrated customer satisfaction and transparent engineering support across borders

Customer Communication Chat Log 1
Customer Communication Chat Log 2
Customer Communication Chat Log 3
Customer Communication Chat Log 4
Customer Communication Chat Log 5

Global Project Case Studies & Installation Scenarios

Kingflex elastomeric systems installed in commercial, petrochemical, and architectural landmarks globally

Commercial Building HVAC installation
Industrial Steam Pipe insulation
Refrigeration Pipeline cold protection
Chilled Water system piping

Frequently Asked Questions

Get answers to common technical, commercial, and installation questions about elastomeric insulation

Q1: What is elastomeric rubber foam insulation used for?
A1: It is primarily used for HVAC ducts, commercial and residential air conditioning pipelines, building thermal envelopes, industrial cold process pipe insulation, and acoustic absorption in machine rooms.
Q2: Is Kingflex rubber foam insulation fire resistant?
A2: Yes. Our products are formulated to be flame-retardant and self-extinguish when removed from fire. They comply with global structural safety criteria, including BS 476, Class 0, Class 1, and UL94 ratings.
Q3: What is the primary difference between rubber foam and rock wool insulation?
A3: Rubber foam features a flexible, closed-cell structure that blocks moisture intrusion, making it ideal for refrigeration, HVAC, and condensation control. Rock wool is an open-fiber mineral structure designed for high-temperature applications and specialized thermal fire barriers.
Q4: Do you provide customized insulation products?
A4: Yes, we offer full OEM services. We can customize dimensions, colors, adhesive backings, and exterior coatings to suit specific project needs.
Q5: What certifications do your products have?
A5: Our materials are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM. This guarantees compliance with quality and environmental criteria in international markets.
Q6: Does Kingflex products have traceability?
A6: Yes, all batches are cataloged and traceable back to the raw material formulation and the specific assembly line run. This ensures reliable quality control for critical industrial builds.
Q7: What thickness of Rubber foam insulation sheet roll can you produce?
A7: We can produce roll thicknesses ranging from 6mm to 50mm, accommodating a wide scope of HVAC and wall insulation layouts.
Q8: What is the service life of rubber plastic pipe and board?
A8: When properly installed and maintained under standard operating temperatures, our products offer a service life of 10 to 15 years.