Explore our elite selection of closed-cell elastomeric rubber foam sheets, tapes, and ultra-low temperature system pipelines engineered to maximize your thermal efficiency.
In industrial insulation design, the R-value is not just a specification; it is the core determinant of energy recovery efficiency, HVAC operational costs, and environmental compliance. R-value measures thermal resistance—the capacity of a material to restrict heat transfer. Mathematically, it is the reciprocal of thermal conductivity (k-value or λ-value) multiplied by thickness: R = Thickness / λ.
Elastomeric rubber foam, primarily formulated from NBR (Nitrile Butadiene Rubber) and PVC (Polyvinyl Chloride), delivers an excellent balance of thermal resistance and physical durability. Because of its closed-cell configuration (often exceeding 98% closed cells), gas is permanently locked within the micro-chambers, minimizing convective and conductive heat transfer. This cellular architecture also provides outstanding vapor barrier performance, meaning it maintains its target R-value over decades without degraded performance caused by humidity absorption.
Unlike fibrous minerals, elastomeric rubber sheets do not sag or lose thickness over time. When considering sheet insulation R-value for wholesale projects, engineers analyze parameters like service temperature boundaries (typically ranging from -40°C to 105°C for NBR/PVC) and the material's structural resilience. For ultra-cold system layouts, specialized cryogenic formulations can sustain operations at far lower extremes, preventing pipeline thermal collapse.
Super-fine cell density ensures thermal conductivity remains under 0.034 W/(m·K) at 0°C, offering high thermal barrier density.
A closed-cell ratio over 98% keeps water vapor from entering the core, preserving the insulation's R-value for its entire operational lifetime.
Meets stringent fire regulations including BS 476 and UL94 Class 0/Class 1 ratings. Self-extinguishing material prevents flame spread.
Dacheng, China is globally recognized as the capital of energy-efficient green-building materials. By integrating the entire upstream raw material supply chain with state-of-the-art continuous foaming technologies, local factories offer unmatched cost structures and delivery speeds.
Kingflex Insulation Co., Ltd., backed by the Jinwei Group's 40-year legacy, leverages this manufacturing eco-system. Featuring 5 fully automated production lines, the factory generates over 600,000 cubic meters of high-density elastomeric rubber insulation annually.
For global industrial procurement agents, wholesale pricing from this hub cuts out intermediaries. Direct-from-factory quotes guarantee exact material compliance, custom dimensioning (6mm to 50mm thickness configurations), and fast delivery turnarounds, meeting strict construction timelines.
Compare thickness, thermal conductivity, and density profiles to determine the exact sheet insulation configuration required for your project.
| Material Core | Thickness Range | Density Profiling | Temperature Range | Flame Spread Rating |
|---|---|---|---|---|
| NBR/PVC Elastomeric Rubber Foam | 6mm - 50mm | 40 - 55 kg/m³ | -40℃ to 105℃ | Class 0 / Class 1 (BS 476 Part 6/7) |
| Cryogenic Low-Temp Rubber | 13mm - 40mm | 50 - 65 kg/m³ | -200℃ to 125℃ | UL94 V-0 Classified |
| Sound Damping Composite Pad | 10mm - 30mm | 60 - 80 kg/m³ | -20℃ to 85℃ | Self-extinguishing (GB 8624) |
| High-Temp Resistant Sheet | 9mm - 40mm | 45 - 60 kg/m³ | -50℃ to 150℃ | ASTM E84 Compliant |
HVAC & Ventilation Systems: High-density sheets prevent moisture drop formation and condensation damage on duct systems in complex commercial complexes, malls, and healthcare facilities.
Petrochemical & Gas Lines: Prevents heat gain in cryogenic fluid structures. Resists weathering, chemical vapors, and thermal stress cycles in petrochemical processing facilities.
Civil & Industrial Architecture: Delivers acoustic buffering and heat containment inside partition walls, roofing underlayment, and deep basement envelopes.
Acoustic Noise Control: Elastomeric open-cell soundproofing variants absorb structural vibrations in mechanical rooms, gyms, and subway platforms, creating comfortable, quiet interiors.
Our commitment to international performance certifications ensures absolute product consistency and project compliance on every continent.
Certified compliant with BS 476 Part 6 & 7, CE, REACH, ROHS, UL94, and ASTM. Ready for immediate deployment in Europe, the Americas, and the Middle East.
Our research and development team, led by 8 Senior Engineers, works continuously on next-generation environmental polymers and acoustic formulations.
Supported by 230 technicians and 6 dedicated international sales managers, our export operation ensures smooth customs handling and secure logistics.
See our thermal insulation solutions deployed in the field and read raw feedback from international procurement managers.
Material: NBR/PVC
Thickness: 6mm-50mm
Density: 40-55kg/m³
Service Temperature: -40℃ to 105℃
Even foaming cell matrix, >98% closed cells, compression resilience >80%, and self-extinguishing fire rating.
Material: NBR/PVC
Thickness: 9mm-40mm
Inner Diameter: 6mm-114mm
Density: 40-55kg/m³
Precision inner-spraying process ensures snug pipe fitting. Drastically reduces the risk of thermal bridging and pipeline condensation.
Perfect for central air conditioning ducting, building envelope partitions, cryogenic fluid pipelines, solar thermal networks, and high-vibration environment decoupling.
Read through key technical questions on elastomeric closed-cell foam parameters, R-values, applications, and factory operations.
Examine our broader technical systems including cryogenic, rock wool, and industrial tube components designed for specific industrial environments.
Kingflex
