Engineered for high temperature variance, resistance to heavy moisture condensation, and robust chemical environments across Brazil.
Brazil represents one of the most dynamic yet challenging environments for thermal insulation in South America. Operating in regions characterized by year-round high humidity (such as coastal Rio de Janeiro and São Paulo) and intense tropical heat (the Northeast and Northern regions) requires industrial and commercial operators to mitigate structural condensation and energy loss aggressively.
Recent shifts in Brazil’s energy matrix and escalating electricity costs have driven developers, HVAC contractors, and plant engineers to demand high-specification thermal barrier systems. In parallel, strict compliance guidelines like ABNT NBR 15575 (Performance Standards for Residential Buildings) put additional pressure on construction firms to ensure acoustics, longevity, and superior fire resistance.
Closed-cell elastomeric rubber foam sheets (NBR/PVC based) offer the ultimate performance-to-cost ratio for these demands. By combining a high resistance to moisture vapor transmission with an incredibly low thermal conductivity, our products safeguard critical cooling structures and process pipelines across the continent.
Our elastomeric insulation materials are manufactured to the highest international standards, ensuring consistent, dependable thermal resistance.
| Property Parameter | Black Rubber Foam Sheet Roll Specifications | Black Rubber Foam Pipe Specifications |
|---|---|---|
| Base Material Composition | NBR/PVC Elastomeric Foam Blend | NBR/PVC Elastomeric Foam Blend |
| Standard Thickness Range | 6mm - 50mm | 9mm - 40mm |
| Inner Diameter (ID) Range | N/A (Roll Format) | 6mm - 114mm |
| Bulk Density | 40 - 55 kg/m³ | 40 - 55 kg/m³ |
| Service Temperature Limit | -40℃ to 105℃ | -40℃ to 105℃ |
| Closed-Cell Rate | > 98% (High Density Structure) | > 98% (Uniform Extrusion) |
| Compression Resilience | > 80% recovery under standard stress | > 80% recovery under standard stress |
| Fire Safety performance | Flame retardant, self-extinguishing | Flame retardant, self-extinguishing |
Fully compliant with BS 476, Class 0/1, UL94, and ASTM fire testing parameters. Formulated with self-extinguishing capabilities to prevent flame propagation in multi-story high-rises.
The closed-cell configuration exhibits an incredibly high water vapor resistance factor (μ), ensuring long-term stable thermal conductivity in coastal tropical zones.
Our NBR/PVC blend ensures high elastomeric resilience. It bends easily around irregular geometries and complex pipeline elbows, reducing labor and waste during install.
Providing heavy-duty physical protection and fast-install self-adhesion profiles for complex industrial and architectural requirements.
Years of Corporate History (Est. 1979)
Annual Production Capacity (m³)
Large Automatic Assembly Lines
Countries Supplied Globally
Kingflex Insulation Co., Ltd. is a leading professional manufacturer and trading enterprise specializing in state-of-the-art thermal insulation products. Our core research, development, and primary production plant are situated in Dacheng, China—a region internationally recognized as the capital of energy-efficient green building materials.
Established under the parent umbrella of the Jinwei Group (founded in 1979, with over 40 years of pioneering history as the premier insulation material manufacturer north of the Yangtze River), Kingflex has focused on energy savings as our core operational philosophy. We don't just supply products; we deliver end-to-end consulting, customization, technical layout direction, and comprehensive post-sale support to lead the evolution of modern construction materials worldwide.
Today, Kingflex operates eight highly experienced professional engineers within our specialized R&D divisions, supported by a specialized team of international sales representatives and 230 dedicated factory technicians.
Continuous raw material screening, density validation, and thermal conductivity verification under simulated high-humidity tropical conditions.
Every batch undergoes standard compression, elasticity recovery testing, and oxygen index analysis before container loading.
Utilizing high-grade Nitrile Butadiene Rubber (NBR) combined with stabilizer additives to prevent early aging and UV degradation.
Helping Brazilian contractors navigate custom clearances, tax structures, and localized fire and safety standards.
Importing insulation materials into Brazil requires rigorous attention to national safety certifications. Our rubber foam insulation sheet rolls are produced to align with the fire safety requirements of the Brazilian fire department (Corpo de Bombeiros) and comply with criteria analogous to regional ABNT NBR 15575 specifications regarding flame spread index and smoke density.
Navigating the customs clearance (desembaraço aduaneiro) at ports like Santos (SP), Paranaguá (PR), or Itajaí (SC) requires immaculate documentation. Kingflex provides comprehensive export support, including detailed commercial invoices, customized packing lists matching NCM codes (Nomenclatura Comum do Mercosul), and complete test certificates (RoHS, REACH, CE, BS 476) to facilitate tax calculation and speed up customs processing.
We work closely with local Brazilian distributors and direct engineering clients to manage transit schedules, packaging integrity, and optimize shipping container volumes to maximize cost efficiency.




Global standard verifications including ISO 9001, CE, BS 476, ASTM and Environmental safety approvals.
From complex metro cooling systems to food processing cold-chains, discover how Kingflex keeps Brazil insulated.
Condensation control is the primary challenge in Brazil’s modern shopping centers, corporate headquarters, and hospitals. Our elastomeric foam sheets are wrapped tightly around massive air handling ducts and cold water storage units to prevent water droplets from damaging ceiling panels, ensuring internal air quality and preventing mold growth.
As one of the world's leading exporters of meat and agricultural products, Brazil relies heavily on extensive cold storage systems (Câmaras Frias). Kingflex low-temperature flexible insulation series is designed to handle extreme temperature gradients in deep-freeze facilities, maintaining thermal integrity even at temperatures below -40°C.
In industrial zones like Camaçari or Paulínia, chemical process pipelines transport high-temperature steam alongside cryogenics. Using NBR/PVC foam prevents thermal fluctuations, limits energy loss, and serves as an acoustic barrier to lower decibel levels in mechanical operations.








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Technical guidance and commercial explanations for project engineers, procurement managers, and installers in Brazil.
Get in touch with our engineering team for customized calculations, density configuration choices, container pricing matrices, and import documentation support customized for the Brazilian market.
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