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Within high-performance industrial plants, commercial building design, and cleanroom environments, standard black insulation is increasingly being replaced by custom-colored solutions. Rubber Foam Insulation Tube With Blue Color is not merely an aesthetic choice; it represents a specialized design paradigm that increases system maintainability, safety, and energy efficiency.
Blue-colored elastomeric insulation serves primarily as a visual identification matrix for cold-water pipelines, supply loops, chilled glycol networks, and refrigerant lines. In complex industrial HVAC layouts, immediate visual identification significantly reduces maintenance errors and quickens troubleshooting processes. Underneath the color-fast exterior layer lies a highly engineered closed-cell structure designed to stop thermal transfer and vapor transmission in its tracks.
Our NBR/PVC formulation delivers a thermal conductivity coefficient (λ) as low as 0.034 W/m·K at 0°C. The closed-cell structure prevents moisture accumulation, maintaining long-term thermal integrity.
Kingflex Insulation Co., Ltd. is a world-class manufacturing and trading conglomerate dedicated to high-performance thermal insulation solutions. Located in Dacheng, China—a region internationally recognized as the capital of green building materials—Kingflex is an energy-saving, environmentally responsible pioneer.
Established under the umbrella of the Jinwei Group (founded in 1979, holding over 40 years of pioneering history in the northern China insulation sector), Kingflex integrates research, advanced industrial manufacturing, global trading, and comprehensive technical advisory services.
Our operation prioritizes energy conservation and carbon footprint mitigation, offering custom insulation strategies from raw consultation, advanced R&D production, on-site installation guides, and long-term customer service support.
Continuous investment in physical testing, structural optimization, and fire safety certification.
Our dedicated laboratory focuses on polymer formulation, improving raw NBR density profiles, and verifying non-toxic compound alternatives for cleanroom certifications.
6 dedicated international sales consultants coordinate logistics and custom local regulatory approvals for key markets including the Americas, EU, and Southeast Asia.
Highly trained technicians operate five automated continuous production lines, keeping product quality constant across high production runs.
Engineered to comply with rigorous international testing standards for thermal efficiency and fire retardancy.
| Characteristic / Parameter | Kingflex NBR/PVC Rubber Foam Standard | Test Standards Reference |
|---|---|---|
| Material Composition | Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) Blend | ASTM D1667 |
| Thermal Conductivity (λ) | ≤ 0.034 W/m·K at 0°C | ≤ 0.038 W/m·K at 40°C | ASTM C518 / ISO 8301 |
| Water Vapor Permeability (μ) | ≥ 10,000 (Highly resistant to moisture penetration) | EN 12086 / ASTM E96 |
| Service Temperature Limit | -40°C to +105°C (Flexible down to cryogenic ranges) | EN 14706 / ASTM C411 |
| Fire Safety Rating | Class 0 & Class 1 (BS 476 Part 6 & 7), UL94 V-0, DIN 4102 B1 | BS 476 / UL 94 / GB 8624 |
| Density Range | 40 - 55 kg/m³ (Uniform micro-cellular configuration) | ASTM D1622 |
| Environmental Certs | REACH, RoHS Compliant, Zero CFC/HCFC, Low VOC emission | EPA / ISO 14001 |
Targeted application profiles of our specialized blue color rubber foam tubes.
Installed across modern smart buildings to identify return and feed chilled water pipelines easily. The high moisture barrier prevents condensation, eliminating the risk of water damage to ceiling tiles and structural framework.
Excellent low-temperature resilience allows application down to deep sub-zero conditions. Used in combination with secondary vapor barrier wraps for cold storage facilities and clean industrial chemical lines.
Our chemical-resistant elastomer formula handles exposure to ozone, acid, and salt atmospheres, making it highly suitable for marine engineering, offshore rigs, and chemical processing facilities.
Every batch is physically tracked from raw chemical processing to onsite delivery.
Kingflex insulation solutions are certified to meet major international standards including BS 476, CE, REACH, RoHS, UL94, and ASTM. This guarantees compliance when bidding on large commercial projects and public infrastructure developments in Europe, North America, and the Middle East.
Traceability Matrix: Every cubic meter of Kingflex foam is labeled with production codes, allowing projects to trace raw material formulations, factory batch numbers, and testing cycles if quality audits are required.
Direct engineering specs for Kingflex elastomeric materials.
Material: NBR/PVC Blend
Thickness: 6mm - 50mm
Density: 40 - 55 kg/m³
Service Temperature: -40℃ to 105℃
Advantage: Foams evenly and fully, closed-cell rate exceeds 98%, low moisture absorption, long-term stable thermal conductivity. Flame retardant, self-extinguishing.
Material: NBR/PVC Blend
Thickness: 9mm - 40mm
ID (Internal Diameter): 6mm - 114mm
Density: 40 - 55 kg/m³
Advantage: Precision extrusion technology guarantees uniform wall thickness. Flexible material conforms to complex bends, reducing installation times on site.
Decades of technical growth, building regional leadership and global market access.
Established as the first manufacturer of thermal insulation materials north of the Yangtze River, laying the groundwork for insulation innovations in China.
Introduced high-volume continuous foaming machinery, growing the regional supply network and supporting major petrochemical infrastructure initiatives.
Began exporting premium elastomeric materials under the Kingflex brand, securing CE, BS 476, and ASTM certifications for global projects.
Annual capacity exceeds 600,000 cubic meters. Official insulation supplier to major domestic and international ministries.
Take a look inside our high-capacity production facility in Dacheng, China.
The global transition to green, low-carbon technologies requires thermal insulation that goes beyond standard performance limits. As a result, the R&D direction for NBR/PVC elastomeric rubber foam is shifting toward three core design improvements:
From complex industrial plant designs to color-coded cleanroom HVAC installations, Kingflex offers targeted customization options. We can customize density profiles, thermal conductivity targets, custom internal/external diameters, wall thicknesses, and specialized fire retardancy treatments.
Contact Engineering TeamTechnical clarifications on elastomeric materials, safety certifications, and installation.
Physical test documents demonstrating structural integrity and chemical purity.
Select from our globally certified high-performance product range engineered for zero energy loss.
Kingflex
