Procure directly from our manufacturing facility. Real-time factory pricing on global export specifications.
In modern industrial and building engineering, thermal insulation plays a critical role in minimizing system energy loss, preventing pipeline condensation, and maintaining mechanical reliability. Among the diverse array of insulating materials, elastomeric rubber foam pipe insulation is globally recognized for its exceptional performance. Specifically, the standard 1x6ft (1 inch thickness, 6 feet length) pipe insulation rubber tubes represent a sweet spot in mechanical design—balancing quick field installation with optimized wall thickness to combat severe temperature differentials.
The standard size of 1-inch wall thickness by 6-foot length offers optimum thermal resistance (R-value) for large-bore commercial pipework, and the 6ft run length minimizes the number of transverse joints. Fewer joints directly translates to a reduced risk of system failures and vapor barrier breaches, which is crucial in high-humidity mechanical rooms.
As the international community marches toward strict ESG (Environmental, Social, and Governance) targets, industrial plants and massive district HVAC systems must reduce energy wastage. Chilled water lines, heavy-duty refrigeration networks, and low-temperature process lines are prone to condensation if not correctly insulated. Unchecked condensation leads to Corrosion Under Insulation (CUI), a silent and expensive industrial hazard. High-density NBR/PVC elastomeric rubber systems naturally resist moisture vapor transmission without requiring external foil jackets, effectively insulating systems for decades.
Direct factory production metrics confirming BS 476, ASTM, and UL certification compliance.
| Property / Characteristic | NBR/PVC Elastomeric Sheet Roll | NBR/PVC Elastomeric Pipe/Tube | Standard Test Reference |
|---|---|---|---|
| Material Base | Nitrile Butadiene Rubber / Polyvinyl Chloride | Nitrile Butadiene Rubber / Polyvinyl Chloride | ISO 1923 |
| Standard Thickness | 6mm to 50mm | 9mm to 40mm (1x6ft standard) | ASTM C534 |
| Internal Diameter (ID) | N/A | 6mm to 114mm | Standard fit for copper/steel |
| Density Range | 40 - 55 kg/m³ | 40 - 55 kg/m³ | GB/T 6343 |
| Thermal Conductivity (λ) | ≤ 0.034 W/m·K at 0°C | ≤ 0.034 W/m·K at 0°C | ASTM C177 / C518 |
| Temperature limits | -40℃ to 105℃ (Cryogenic to -200℃) | -40℃ to 105℃ (Cryogenic to -200℃) | EN 14706 / EN 14707 |
| Closed Cell Rate | ≥ 98% | ≥ 98% | Microscopic analysis |
| Compression Resilience | ≥ 80% | ≥ 80% | Factory QC standard |
| Fire Classification | Class 0 / Class 1 / Class V-0 | Class 0 / Class 1 / Class V-0 | BS 476 Part 7 / UL 94 |
Kingflex Insulation Co., Ltd. — A high-tech enterprise prioritizing energy conservation.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our R&D and production headquarters are located in Dacheng, China, globally recognized as the capital of green-building materials. As an energy-saving, environmentally friendly enterprise, we concentrate on the research, development, production, sales, and technical guidance of high-efficiency insulation.
Established under the parent umbrella of the Jinwei Group, which boasts more than 40 years of history (established in 1979), Kingflex was the first major manufacturer of thermal insulation materials north of the Yangtze River. Currently, we operate 5 large automatic assembly lines, serving as a designated supplier to the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Our operation employs 8 professional R&D engineers, 6 experienced international sales consultants, and over 230 skilled production workers dedicated to producing first-class elastomeric foam products.
We supply integrated solutions for thermal insulation, cold insulation, noise reduction, and cryogenic operations down to -200°C for commercial buildings, heavy petroleum facilities, and aerospace systems.
Visual documentation of our internal quality assurance, certificates, and international business reputation.
How our elastomeric products solve critical thermal insulation problems in various global industries.
Insulation for massive chilled water systems, refrigeration pipelines, and dual-temperature water pipes, preventing external condensation while saving system power.
Our low-temperature elastomeric formulations are engineered specifically for cryogenic processes down to -200°C, crucial for Liquefied Natural Gas (LNG) lines and industrial gas production.
Applied to prevent heat loss in thermal systems and domestic hot water lines. The material acts as an effective thermal barrier and anti-freezing protector for exterior plumbing networks.
Comparative profiles of our primary manufacturing outputs
Standard Dimensions & Specs:
Primary Advantages:
Applications: Wall insulation, central HVAC air duct cladding, basement moisture barriers, rail transit system body insulation, and large industrial tanks.
Standard Dimensions & Specs:
Primary Advantages:
Applications: Domestic copper piping protection, commercial central heating loops, petrochemical vapor pipelines, and cleanroom mechanical installations.
As the international HVAC and industrial engineering community demands greater sustainability, Kingflex is spearheading key chemical advances. Our R&D division is focused on three strategic pillars:
Phasing out older chemical blowing agents in favor of zero-ODP (Ozone Depletion Potential) and zero-GWP (Global Warming Potential) gas mixtures, reducing the carbon footprint of factory production by 15%.
Developing elastomeric formulations with zero halogens to eliminate toxic smoke generation in fire conditions. This is essential for strictly monitored building types, such as transport hubs, airports, and modern data centers.
Upgraded molecular formulations using advanced polymers to extend elastomeric lifetime limits beyond 15 years, maintaining initial design thermal resistance values even under prolonged thermal stress.
Direct engineering guidance and procurement solutions for our global clientele.
Review additional industrial options from our catalog. Get direct quotes on custom runs.
A visual tour of our warehouse, assembly lines, and bulk loading bays.