Premium NBR/PVC elastomeric thermal insulation products optimized for local engineering standards and condensation prevention in high humidity climates.
Singapore’s proximity to the equator results in a uniform tropical climate characterized by high temperatures (annual mean of 27.5°C) and persistent relative humidity, often exceeding 80% to 90% RH. For mechanical engineers, developers, and HVAC contractors, this environmental profile presents a fundamental operational challenge: surface condensation on chilled water pipe systems operating between 5°C and 7°C.
Uncontrolled condensation triggers water damage to interior ceilings, fosters indoor mold growth, and causes Corrosion Under Insulation (CUI) within structural pipework. Achieving thermal control requires insulation materials with high water vapor diffusion resistance (represented by a high μ-value ≥ 10,000) and extremely low thermal conductivity (λ ≤ 0.034 W/m·K at 0°C).
Under the Building and Construction Authority (BCA) Singapore Green Mark Scheme and local engineering standard SS 553:2016 (Code of practice for air-conditioning and mechanical ventilation in buildings), HVAC infrastructure must leverage materials that maximize thermal performance while preserving Indoor Air Quality (IAQ) and adhering to strict fire safety protocols under the Singapore Civil Defence Force (SCDF) regulations.
Engineered for stability in demanding mechanical climates. Certified Class 0 fire retardancy compliance for public and commercial builds.
| Physical / Technical Property | NBR/PVC Elastomeric Foam Performance Values | Test Methods & Standards Compliance |
|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0°C | ≤ 0.036 W/(m·K) at 20°C | ASTM C518 / ISO 8301 |
| Water Vapor Permeability (μ) | ≥ 10,000 (Closed-cell barrier structure) | BS EN 12086 / ASTM E96 |
| Fire Hazard Classification | Class 0 (Surface Spread of Flame & Propagation) | BS 476 Part 6 & Part 7 Compliance |
| Smoke & Toxicity Rating | Self-extinguishing, low smoke emission profile | UL 94 V-0 / ASTM E84 Class A |
| Service Temperature Range | -40°C up to +105°C (continuous peak tolerance) | ASTM C411 |
| Density Profile | 40 - 55 kg/m³ (fully homogeneous foaming structure) | ASTM D1622 / ISO 845 |
| Moisture Absorption Rate | ≤ 0.05% by volume (continuous immersion testing) | ASTM C209 |
| Environmental Credentials | Zero ODP (Ozone Depletion) & Zero GWP (Global Warming) | RoHS & REACH Compliance Certificate |
A global manufacturing powerhouse with over four decades of thermal insulation engineering expertise.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research, development, and primary production facilities are located in Dacheng, China, a global hub for high-performance green building materials. Operating with a core focus on energy-saving, environmental stewardship, and advanced material science, we offer comprehensive insulation systems from consultation through production, shipping, and installation guidance.
Established by the Jinwei Group, which holds over 40 years of industry history since its founding in 1979 as a pioneer in thermal insulation north of the Yangtze River, Kingflex has scaled production capacity to meet global demands. Today, we run 5 high-efficiency automated assembly lines yielding an annual production capacity exceeding 600,000 cubic meters. Kingflex is a designated manufacturing partner for energy, power, and petrochemical ministries, exporting high-grade solutions to more than 66 countries over the past 16 years.
Continuous innovation in formulation chemistry to provide high-performance closed-cell matrices.
Our formulation engineering team customizes NBR/PVC compounds to maximize elasticity, low thermal conductivity, and long-term durability in high ambient moisture settings.
Kingflex insulation sheets and tubes conform to BS 476, CE, REACH, RoHS, UL94, and ASTM. This ensures local compliance with BCA regulations in Singapore.
Every raw material batch, production run, and packaging line is indexed. Complete traceability ensures structural integrity, thickness consistency, and flame-retardant performance.



Engineered for high performance under local climatic conditions.
Singapore’s primary green infrastructure relies heavily on District Cooling (such as in Marina Bay). Kingflex sheet rolls and insulation pipes prevent heavy condensation on large distribution piping carrying chilled water across urban centers.
Cleanroom environments demand low outgassing and high mechanical reliability. Kingflex NBR/PVC foam features low VOC emissions, certified under environmental standards, ensuring compliance with wafer fabrication plants.
For office spaces, hotels, and retail malls (e.g., Orchard Road shopping districts), our Class 0 rated insulation minimizes heat gain in air handling unit (AHU) rooms, lowering building Energy Use Intensity (EUI).
Hyperscale data centers require strict thermal stability. Our 40mm and 50mm insulation sheets insulate massive cooling piping arrays, protecting server corridors from ambient thermal transfer.
Providing specialized cold and cryogenic insulation systems for LNG carriers and FPSO decks, ensuring stability under saline environments and low temperatures.
Protects VRV/VRF multi-split copper pipelines from condensation inside false ceilings, preventing moisture damage to gypsum boards and plaster work.
Technical profiles for engineering design and project implementation.




Streamlined direct purchasing from our manufacturing facility to Singapore job sites.
Buying directly from our factory in China provides significant cost advantages over regional distributors. This helps main contractors manage material costs for large-scale bids.
Our proximity to Tianjin and Qingdao ports enables rapid shipping. Transit times to Singapore typically range from 7 to 10 days, supporting project schedules.
We provide custom dimensions, varying wall thicknesses (up to 50mm), pressure-sensitive self-adhesives, and aluminum foil laminations for outdoor applications.




Select from our complete range of certified NBR/PVC sheets, rolls, tubes, and specialty acoustic barriers.
Specific profiles for sound insulation, thin/thick-walled tubes, and localized mechanical equipment wraps.
Expert answers regarding installation, material certifications, and engineering design for the Singapore market.
Contact our engineering support team for product samples, customized manufacturing runs, and direct pricing for the Singapore market.
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