Engineered to withstand extreme temperature ranges, preventing condensation and reducing structural heat loss.
How direct-from-factory sourcing aligns with the UK's rising demands for thermal efficiency, building safety, and carbon reduction.
UK industrial sites and commercial builds demand custom wall thicknesses and specialized pipe diameters. Sourcing directly from China allows companies to leverage extensive R&D departments, bypass traditional importer markups, and configure customized NBR/PVC chemical formulations to withstand high humidity environments without dripping or structural failure.
By operating modern transport networks from northern China's industrial parks (such as Dacheng, the core base for green-building products) directly to major UK hubs like London, Southampton, and Liverpool, factories can handle complex commercial logistics, meeting tight site timelines for large-scale infrastructure projects.
A trusted manufacturing and trading combo with a heritage dating back to 1979.
Established under the Jinwei Group (which carries over 40 years of market presence and was established in 1979 as the pioneer of thermal insulation materials north of the Yangtze River), Kingflex Insulation is focused on energy saving and consumption reduction. Our R&D division is located in Dacheng, China, operating as an integrated solution provider of thermal insulation, cold insulation, and acoustic reduction for buildings and industrial facilities.
Our operation runs on collaboration and technical expertise. The Kingflex team includes 8 professional engineers in the R&D Department, 6 international sales consultants, and 230 workers in our manufacturing lines, ensuring that international standards like BS 476, CE, REACH, ROHS, UL94, and ASTM are met with precision.
Currently, Kingflex runs 5 large-scale automatic assembly lines, delivering an annual production capacity exceeding 600,000 cubic meters. Kingflex is designated as a production enterprise by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry in China. We are committed to supplying integrated insulation systems globally to maximize heat retention and lower operational carbon footprints.
A granular look at the physical properties of our elastomeric foam formulations.
| Property Parameter | NBR/PVC Elastomeric Foam Value | Testing Standards Compliance | |
|---|---|---|---|
| Density Range | 40 - 55 kg/m³ | ASTM D1622 / GB/T 6343 | Consistent micro-cell sizing |
| Thermal Conductivity ($\lambda$) | ≤ 0.034 W/(m·k) at 0°C | ASTM C518 / ISO 8301 | High energy retention values |
| Water Vapor Permeability | $\mu$ ≥ 10,000 (Closed cell structure >98%) | EN 12086 / ASTM E96 | Prevents moisture intrusion and under-insulation corrosion (CUI) |
| Service Temperature Range | -40°C to +105°C (Up to -196°C in cryogenic ranges) | DIN 52613 / EN 14706 | Suited for dual-temperature and chilled piping systems |
| Fire Safety Rating | Class 1 / Class 0 (Self-extinguishing) | BS 476 Part 6 & 7 / UL 94 V-0 | Meets strict commercial and residential fire safety laws |
| Compression Resilience | ≥ 80% | GB/T 6669 | Recovers shape rapidly under mechanical load |
Providing custom system engineering across civil, commercial, and heavy industrial infrastructures.
Used to prevent condensation on chilled water pipes and air conditioning ducts. Kingflex elastomeric foam maintains structural stability in humid plant rooms. Compliance with UK Building Regulations Part L ensures thermal insulation limits carbon emissions in new and existing buildings.
Our high-temperature and cryogenic solutions manage heat distribution in district heating networks, chemical process piping, and steam lines. The low thermal conductivity reduces ambient losses, boosting boiler and heat exchanger efficiencies.
For temperatures down to -196°C, our specialized cryogenic rubber foam prevents thermal shock and condensation. Designed for LPG/LNG storage, marine applications, and pharmaceutical cold chain supply lines, this material maintains flexibility even in deep-freeze environments.
In high-density commercial layouts, wastewater and ventilation ducts generate structural noise. The dense closed-cell matrix of our foam absorbs sound energy, decoupling mechanical vibrations from internal building walls.
Continuous investment in formulation technology to meet modern environmental and building codes.
Proof of performance in diverse environments, verified by international engineering partners.
Technical answers to support project specifications, procurement planning, and compliance needs.
Premium options for high and low temperature applications, acoustic control, and industrial accessories.
Kingflex
