Global Industrial Insulation Leader

China Foam Rubber Insulation Roll Supplier & Factory

State-of-the-art closed-cell elastomeric technology providing industry-leading thermal control, moisture resistance, and acoustic dampening for extreme applications.

Macro Industry Demands & Procurement Realities

As carbon neutrality targets tighten globally, HVAC efficiency and industrial pipeline management require highly reliable thermal control barriers. Standard insulation systems often struggle under heavy mechanical compression or localized moisture ingress. Here is how advanced elastomeric foam addresses global structural pain points:

Micro-Cellular Moisture Resistance

Unlike open-cell materials or fibrous mineral wools, our NBR/PVC closed-cell structure (exceeding 98% closed cells) creates a built-in vapor retarder. This stops condensation from forming on freezing or chilled fluid pipelines, eliminating structural degradation risks and mold growth.

Extreme Temperature Stability

Our solutions protect everything from cryogenic lines operating down to -200°C up to low-pressure steam pipelines up to +105°C. This limits energy waste while safeguarding technicians against surface burns.

Acoustic Dampening & Vibration Absorption

Acoustic resonance in high-capacity pipelines is a major safety concern in factories and commercial high-rises. Kingflex high-density cellular configurations effectively block airborne sound waves and deaden mechanical vibration.

Technical Specifications & Performance Benchmarks

Verify the physical properties of our NBR/PVC elastomeric foam sheets, rolls, and tubes.

Performance Parameters Kingflex Standard Foam Roll Aluminium Foil Covered Board Cryogenic System Grade
Base Material Structure NBR / PVC Blended Closed-Cell NBR/PVC with Metal Laminate Layer Specialized Dienes Elastomeric Rubber
Operating Temperature -40°C to +105°C -40°C to +105°C -200°C to +105°C
Thermal Conductivity (λ) ≤ 0.035 W/(m·k) at 0°C ≤ 0.032 W/(m·k) at 0°C ≤ 0.028 W/(m·k) at -150°C
Water Vapor Permeability μ ≥ 10,000 μ ≥ 20,000 (reinforced) Fully Closed Moisture Barrier
Fire Classification Class 0 / Class 1 (BS 476 Part 7/6) Class O Surface Spread UL94 V-0, ASTM Compliant
Material Density 40 - 55 kg/m³ 50 - 65 kg/m³ 60 - 85 kg/m³

Technical Roadmap & Global Supply Chain Capacity

Supported by over 40 years of industrial experience through Jinwei Group (est. 1979), Kingflex operates highly automated factories. We supply specialized solutions directly to commercial projects, petrochemical refineries, and marine yards.

Industrial Infrastructure and R&D Capabilities

Located in Dacheng, China—a hub for energy-saving building materials—Kingflex is a combined production and trading powerhouse. Our facility operates 5 large-scale automated assembly lines, delivering an annual production capacity exceeding 600,000 cubic meters.

Kingflex is a designated manufacturer for major government divisions, including the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry. Our internal research department consists of 8 professional engineers focusing on molecular formula upgrades, clean gas emissions during manufacture, and advanced lamination technologies.

Global Logistics and Project Management

Over the past 16 years, Kingflex has exported energy-efficient insulation products to over 66 countries and regions across Europe, the Middle East, Southeast Asia, and the Americas.

Whether insulating HVAC chilled water pipes, deep-freeze cold chains, or chemical steam processing tubes, we provide detailed technical support, layout planning, and post-installation reviews for engineering operations globally.

1979
Group Established
600K+ m³
Annual Capacity
66+
Countries Exported
8/230
R&D Engineers / Staff

Engineered System Dimensions & Architectural Integration

Select from our primary geometric configurations built to meet ASTM, BS 476, and international building safety codes.

Black Rubber Foam Insulation Sheet & Roll

Ideal for large surface areas such as ductwork, air handling units, and large-diameter process pipes.

  • Material Blend: Premium NBR/PVC matrix
  • Available Thicknesses: 6mm, 9mm, 13mm, 19mm, 25mm, 32mm, 40mm, 50mm
  • Foam Density: 40 to 55 kg/m³
  • Operating Temperature Limit: -40°C to +105°C
  • Closed Cell Rate: Over 98% for excellent thermal control
  • Resilience Level: Compression recovery above 80%
Kingflex Foam Sheet Roll Kingflex Foam Roll Processing

Black Rubber Foam Insulation Pipe & Tube

Specifically designed for straightforward installation on copper tubes and steel piping networks.

  • Wall Thickness Range: 9mm, 13mm, 19mm, 25mm, 32mm, 40mm
  • Inside Diameter (ID): Fits 6mm up to 114mm pipes
  • Protective Skin: Heavy-duty extrusion skin on both outer surfaces
  • Thermal Performance: Eliminates surface sweating and line freezing
  • Safety Level: Flame retardant, self-extinguishing
  • Typical Use: VRV/VRF air conditioning lines, hot and cold domestic water pipes
Kingflex Foam Pipe Foam Tube Inner View

Verified Quality Standards & Compliance Guarantee

To ensure reliable performance in sensitive commercial environments, our products are independently tested and certified:

* We maintain full batch traceability from raw elastomer compounding through final thermal curing.

Technical Q&A / Frequently Asked Questions

Get answers to common technical, installation, and procurement questions about elastomeric foam rolls.

Q1: What is elastomeric rubber foam insulation used for?
A1: It is primarily used for commercial HVAC ductwork, VRV/VRF air conditioning lines, acoustic panel backing, industrial chilled lines, and cryogenic or low-temperature systems where moisture control and thermal stability are critical.
Q2: Is Kingflex rubber foam insulation fire resistant?
A2: Yes. Our products incorporate specialized flame-retardant compounds that meet BS 476 (Class 0 and Class 1), UL94 (V-0 rating), and ASTM safety standards, providing low smoke density and self-extinguishing behavior.
Q3: How does rubber foam compare to rock wool insulation?
A3: Rubber foam is highly flexible, moisture-resistant, and has a closed-cell structure, making it ideal for HVAC and refrigeration lines (where vapor barriers are essential). Rock wool is designed for high-temperature applications (exceeding 400°C) and requires an external jacketing vapor barrier for cold pipes.
Q4: Do you offer custom solutions?
A4: Yes, we provide full OEM support, including custom color-coding, self-adhesive backing, factory-applied aluminum foil facings, and custom thickness profiles.
Q5: What certifications do your products carry?
A5: Our products are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM standards. This makes them suitable for high-spec engineering projects globally.
Q6: Are Kingflex insulation batches traceable?
A6: Yes. Every production batch is coded with unique run IDs, linking back to the raw material formulation, production date, and quality control reports.
Q7: What foam sheet thicknesses are available?
A7: We manufacture standard sheet rolls in thicknesses ranging from 6mm to 50mm, catering to diverse thermal insulation and acoustic design requirements.
Q8: What is the expected service life of these insulation products?
A8: When installed according to manufacturer guidelines, Kingflex rubber foam insulation typically lasts 10 to 15 years, maintaining its physical properties and thermal performance.

Real-World Verification & Customer Cooperation

We pride ourselves on transparent communication and reliable delivery timelines. Below are verified screenshots of client communication and factory inspections: