Engineered to eliminate condensation, maximize thermal efficiency, and guarantee project-long durability in industrial systems.
Modern commercial architecture and advanced industrial systems require robust, high-performance insulation technologies to optimize thermal transfer efficiency, prevent structural degradation from condensation, and minimize operational carbon footprints. Refrigerant pipe insulation systems act as critical thermal barriers, maintaining phase-change temperatures for hydrofluorocarbons (HFCs), hydrofluoroolefins (HFOs), and natural refrigerants (such as CO₂ and ammonia) as they circulate through complex heating, ventilation, air conditioning, and refrigeration (HVAC/R) circuits.
With urbanization accelerating worldwide, requirements for district cooling systems, hyper-scale data centers, logistics cold storage chains, and modern healthcare facilities have reached unprecedented heights. These infrastructures operate around the clock, demanding insulation materials that offer exceptional, stable thermal conductivity over decades of uninterrupted service.
Selecting high-density, closed-cell elastomeric structures, like those manufactured by Kingflex, guarantees long-term protection against vapor transmission. By maintaining physical flexibility across wide temperature ranges, our systems absorb structural expansions and contractions without micro-cracking, preserving operational efficiency.
Understanding the engineering, raw material control, and automation scale that defines China's leading manufacturing hub in Dacheng.
Established by the prestigious Jinwei Group, which boasts a rich history spanning over 40 years since its inception in 1979, Kingflex stands as the pioneering giant of thermal insulation materials north of the Yangtze River. Based in Dacheng, the internationally recognized capital of green-building materials in China, our facilities occupy a key position in the ecological raw material supply chain.
Today, our company integrates research, development, and high-volume output. We operate five fully automated, state-of-the-art extrusion lines, achieving an annual manufacturing output in excess of 600,000 cubic meters. These massive capabilities have made us a designated manufacturing enterprise for critical departments, including the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
By coupling advanced manufacturing technology with efficient, centralized raw material sourcing, we offer global partners optimized pricing without compromising on strict performance benchmarks.
The physics behind our elastomeric compound's outstanding performance in limiting vapor movement and thermal degradation.
Boasting a closed-cell ratio exceeding 98%, our NBR/PVC matrix prevents moisture migration. Unlike open-cell products, it does not absorb liquid water, maintaining a low, stable thermal conductivity profile over its entire operational lifetime.
Specially formulated with advanced fire-retardants, our products meet BS 476, UL94, and ASTM fire protection requirements. They are self-extinguishing and minimize toxic smoke and flame propagation during critical fire hazards.
Offering over 80% compression resilience, our elastomeric foam absorbs mechanical shocks, thermal expansions, and installation stresses. The structural matrix maintains its thickness, preserving its design thermal performance.
| Property / Characteristic | Kingflex Standard Spec (NBR/PVC) | Testing Methods & Compliance |
|---|---|---|
| Density Range | 40 - 55 kg/m³ | ASTM D1622 / GB/T 6343 |
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·k) at 0°C | ASTM C518 / ISO 8301 |
| Water Vapor Permeability (μ) | ≥ 10,000 (Moisture Resistance Factor) | EN 12086 / ASTM E96 |
| Service Temperature Limits | -40°C to +105°C (Cryogenic up to -200°C for specialized variants) | ASTM C411 |
| Flammability Rating | Class 0 / Class 1 / V-0 | BS 476 Part 7 / UL 94 / ASTM E84 |
| Environmental Compliance | Halogen-Free, Zero ODP, Low GWP, Lead-free | REACH, RoHS, LEED Certified |
Tailoring elastomeric systems to diverse environmental, mechanical, and regulatory demands across industries.
Eliminates heat gain and prevents ambient humidity condensation on central air conditioning ducts, maintaining target air delivery temperatures in large office complexes, malls, and hotels.
Provides excellent cold insulation performance at extreme, sub-zero temperatures. Specially formulated variants remain flexible at cryogenic ranges, protecting liquefied gas pipelines and refrigeration systems.
Reduces heat losses and ensures stable processes in chemical, textile, and manufacturing plants. Resists high surface temperatures and prevents chemical corrosion under insulation (CUI).
Ensures precise climate control within railway transit vehicles, maritime vessels, and automated cold-chain logistics warehouses, protecting agricultural and pharmaceutical inventories.
Our dedicated R&D division, staffed by eight professional materials engineers, works to improve chemical formulations, reduce thermal conductivity, and enhance fire resistance. By utilizing modern testing equipment, we ensure that every batch of NBR/PVC elastomeric foam complies with strict international environmental and building safety standards.
Through consistent quality control and product traceability, Kingflex has earned a wide range of global certifications, including BS 476, CE, REACH, RoHS, UL94, and ASTM. These rigorous assessments give engineers and global procurement directors peace of mind that our products comply with local building regulations and performance requirements.
A glimpse into our manufacturing floor, testing laboratories, and real-world project installations globally.
Genuine chat communications demonstrating our prompt service, technical advice, and project fulfillment quality.
Detailed physical dimensions and performance parameters for our two core elastomeric product lines.
Standard Dimensions:
Key Performance Advantages:
Our sheet rolls expand evenly, achieving a closed-cell ratio over 98%. This minimizes moisture absorption and ensures stable thermal conductivity over the long term. They also feature fire-retardant properties, self-extinguishing upon flame removal, and deliver a high water vapor resistance factor.
Standard Dimensions:
Key Performance Advantages:
Our pipes are manufactured on automated, precision extrusion lines to ensure consistent wall thickness. This uniform geometry prevents thin spots, ensuring reliable thermal barrier performance across the entire pipe circumference. The closed-cell structure minimizes condensation risks and protects pipelines from freezing, cracking, and corrosion under insulation (CUI).
Providing clear, technical answers to common queries from insulation engineers, procurement directors, and building contractors.
Select from our certified product lines to meet your technical project specifications.
Kingflex