Kingflex
Engineered closed-cell structure matching local commercial building regulations in Dubai, Abu Dhabi, and Sharjah.
The UAE’s harsh climate, characterized by ambient summer temperatures exceeding 48°C and ambient relative humidity levels above 85% in coastal cities like Dubai and Abu Dhabi, places extraordinary stress on HVAC systems. Without high-performance thermal insulation, chilled water networks and air handling systems suffer from rapid thermal gains, extreme energy loss, and high risk of condensation, leading to mold and indoor air quality degradation.
According to the Dubai Green Building Regulations (Al Sa'fat) and Abu Dhabi's Estidama Pearl Rating System, developers must deploy insulation systems that prioritize low thermal conductivity, long operational lifespans, and excellent fire ratings. Standard elastomeric closed-cell insulation materials are critical in preventing condensation on cold water piping, maintaining district cooling pipe network efficiency, and optimizing thermal profiles in residential, commercial, and industrial structures.
For chilled water pipes operating at 5°C in typical UAE outdoor spaces (45°C, 80% RH), the dew point is approximately 40°C. Standard open-cell insulation risks moisture absorption. A closed-cell structure with a high water vapor transmission resistance index (μ ≥ 10,000) prevents degradation and maintains constant thermal conductivity (λ) values over decades.
All materials are fully compliant with international building codes (BS 476, ASTM, CE, UL94) and optimized for Gulf GCC project requirements.
| Physical/Chemical Property | NBR/PVC Elastomeric Foam Value | Testing Method Reference | Impact on GCC District Cooling / HVAC |
|---|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0°C | ASTM C518 / ISO 8301 | Minimizes heat load gain in central district cooling pipelines. |
| Water Vapor Permeability (μ) | ≥ 10,000 (≥ 1.0 × 10-10 g/Pa·s·m) | BS EN 12086 / ASTM E96 | Resists ambient humidity infiltration without a separate vapor barrier. |
| Fire Rating Standards | Class 0 (Flame spread ≤ 25, Smoke ≤ 50) | BS 476 Part 6 & 7 / ASTM E84 | Approved for commercial high-rises, residential, and industrial sites. |
| Service Temperature Range | -40°C to +105°C (Special low cryogenic options) | ASTM C411 | Ensures integrity in cold piping and high temperature outdoor headers. |
| Density | 40 - 55 kg/m³ | ASTM D1622 | Provides the perfect balance between mechanical strength and low λ. |
| Ozone & UV Resistance | Excellent performance with specialized coatings | ASTM D1149 | Required for rooftop duct runs exposed to intense Gulf UV radiation. |
Annual Production Capacity
Industrial Heritage
Global Export Footprint
Closed-Cell Uniformity Rate
Different application zones within the UAE require variations in thickness, jacket protection, and structure of NBR/PVC foam insulation:
District cooling services (such as systems operated by Empower and Tabreed) deliver massive amounts of chilled water across urban networks. Our thick-walled elastomeric insulation tubes (such as the 40mm and 25mm sheets) prevent high structural heat gain, ensuring that water temperatures remain under 6°C over long piping loops.
Rooftop installations in Middle Eastern projects are exposed to extreme UV rays and ambient dust. Standard foam degrades rapidly under direct UV rays. We recommend applying our NBR/PVC sheets coated with specialized aluminum foil cladding or weather-resistant mastics to defend against structural deterioration.
Acoustic performance is critical in hospitality environments like those in Dubai Marina and Palm Jumeirah. Using our open-cell structured sound-absorbing rubber foam limits velocity-related airflow noise and vibrations within the duct systems.
Kingflex Insulation Co., Ltd. is a premier manufacturing and trading combo, with its core R&D center located in Dacheng, China—the globally recognized capital of green building materials. Our manufacturing facilities are optimized to supply high-volume commercial projects in the GCC, offering a streamlined supply chain directly from our production lines to major Gulf hubs like Jebel Ali Port, Dubai, and Khalifa Port, Abu Dhabi.
Established by the Jinwei Group, boasting over 40 years of continuous research, innovation, and industry trust.
Our R&D department features eight professional, fully-certified engineers who focus on improving elastomeric foam cellular formulations, optimizing thermal performance, and enhancing self-extinguishing properties.
Originally founded under the Jinwei Group, we were the first manufacturer of thermal insulation materials north of the Yangtze River. Today, we support 6 international sales agents and employ over 230 factory professionals.
Every batch of Kingflex products is traceable and fully compliant with ASTM, BS 476, CE, REACH, ROHS, and UL94 fire safety protocols, meeting high regulatory standards for civil building projects.
At Kingflex, we maintain transparency throughout the ordering process. From thickness measurements to sea freight container booking confirmations, we provide real-time updates and clear documentation to our clients.
Kingflex products are deployed in large commercial systems, chemical manufacturing facilities, refrigeration setups, and high-performance HVAC ducting systems in GCC zones. Our team manages delivery with complete material traceability.
Browse our comprehensive list of NBR/PVC elastomeric thermal, cryogenic, and acoustic products.
Thick thermal sheet ideal for heavy ventilation structures and district water chilling stations.
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Excellent mid-range thickness roll offering highly stable density and low thermal conductivity.
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Heavy structural insulation sheets customized for Gulf climatic conditions.
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Standard flexible sheet rolls configured for high-performance HVAC systems.
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Thin profile sheets designed for architectural dampening and partition acoustics.
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Engineered open-cell foam designed for maximum noise damping in mechanical rooms.
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Precision small ID pipe insulation tailored for VRF/VRV copper tubing loops.
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Ultra-thick closed-cell sheets designed to mitigate severe condensation in tropical climates.
Inquire NowKingflex provides complete dimensional options for HVAC and piping system designs:
Material Base: Premium elastomeric NBR/PVC blend.
Thickness: Available from 6mm up to 50mm.
Density Range: 40 - 55 kg/m³.
Operational Range: -40°C to +105°C.
Primary Features: Even foaming pattern, closed-cell rate >98%, flexible structural properties, flame retardant.
Standard Thickness: 9mm to 40mm.
Inner Diameter (ID): 6mm to 114mm.
Density: 40 - 55 kg/m³.
Primary Features: Coated interior surface for easy application over copper pipelines, self-extinguishing properties, minimizes risk of thermal bridging.
Technical compliance details for engineers, procurement directors, and building contractors in the UAE.
A1: It is primarily used for insulating HVAC ducts, central air conditioning piping, domestic water pipelines, industrial cooling loops, and chilled water networks to prevent energy loss and surface condensation in high-temperature, high-humidity environments.
A2: Yes. Kingflex rubber foam insulation achieves a Class 0 fire rating under BS 476 Part 6 & 7 and satisfies ASTM E84 Class A criteria. It features self-extinguishing properties, helping it meet local safety and code requirements for architectural projects.
A3: Rubber foam is a flexible, closed-cell, moisture-resistant material well-suited for cold pipelines, chilled water systems, and HVAC systems due to its built-in vapor barrier. Rock wool is an open-cell, fibrous material best suited for high-temperature industrial piping, fireproofing, and thermal isolation above 150°C.
A4: Yes, we provide full OEM support. We can customize density, wall thickness (from 6mm up to 50mm), inner diameters of pipe tubing, and outer protective claddings (such as ALU foil, glass cloth, and self-adhesive layers) to meet project specifications.
A5: Our products are manufactured under strict quality standards and carry certifications including BS 476 Class 0, CE, REACH, RoHS, UL94, and ASTM. This ensures compliance with green building standards like Estidama and Al Sa'fat.
A6: Yes. Every production run is tracked, enabling tracing of materials from the raw input stages through to shipping. Full material test certificates (MTC) are available upon request.
A7: We produce rubber foam rolls in standard thicknesses from 6mm up to 50mm. For thicknesses greater than 50mm, multiple sheets can be layered using specialized elastomeric adhesives.
A8: When properly installed and maintained—especially with appropriate outer claddings for outdoor areas—Kingflex NBR/PVC rubber foam insulation has a service life of 10 to 15 years.
Whether you are designing a district cooling network in Dubai, executing an MEP installation in Abu Dhabi, or distributing HVAC components in Sharjah, Kingflex delivers certified quality, factory pricing, and reliable delivery.