Kingflex
Precision-manufactured closed-cell materials designed for extreme thermal resistance, condensation control, and continuous energy efficiency.
Within large-scale commercial and industrial applications, selecting appropriate insulation is not merely a matter of material choice; it requires rigorous mathematical modeling. An insulation calculator is indispensable for calculating thermal resistance, temperature drops across material layers, and preventing surface condensation. By identifying environmental parameters (ambient temperature, relative humidity, pipe sizing, and internal fluid temperature), engineers can accurately calculate the required wall thickness to maintain target performance levels.
Condensation occurs when the outer surface temperature of pipe or duct insulation drops below the dew point of the surrounding air. When moisture infiltrates porous materials, thermal conductivity increases dramatically. High-quality closed-cell elastomeric rubber foam solves this by integrating a built-in vapor barrier. This ensures a high resistance to moisture vapor transmission (μ-value ≥ 10,000), protecting building systems from structural rot, mold, and premature thermal degradation.
For decades, Kingflex has served as a specialized manufacturer and trading combo. We support engineering procurement contracts (EPC) globally by supplying validated technical data, enabling engineering teams to input precise values into structural engineering calculations.
Kingflex Insulation Co., Ltd. was established by the Jinwei Group, which holds a heritage spanning more than 40 years. Founded in 1979, the group was the first thermal insulation manufacturer established north of the Yangtze River. Today, our research, development, and production facility is located in Dacheng, China—recognized globally as the capital of energy-saving, green-building materials.
Our facility operates 5 large-scale automated assembly lines. These highly efficient production lines enable us to reach an annual output exceeding 600,000 cubic meters. This consistent manufacturing output has established us as a designated production enterprise for the Chinese Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
To support global supply chains, our products undergo rigorous testing and international certification. Kingflex materials conform to BS 476, CE, REACH, RoHS, UL94, and ASTM standards, ensuring compliance with construction and safety regulations in global markets.
Our engineering division continually optimizes cellular structures to achieve class-leading thermal protection and fire-retardant safety standards.
Every batch of nitrile-butadiene rubber (NBR) and polyvinyl chloride (PVC) is chemically analyzed to ensure consistent formulation.
Testing thermal conductivity values at temperatures ranging from -40°C to 105°C using heat flow meter apparatuses.
Verifying that closed-cell counts exceed 98% under magnification, ensuring reliable water vapor resistance.
Why leading international developers, EPC contracting firms, and HVAC OEM brands procure from Dacheng's leading insulation clusters.
By producing in Dacheng, we leverage direct sourcing of high-polymer additives and chemical precursors. This reduces baseline costs while shielding global projects from localized raw material price fluctuations.
Our production facilities utilize continuous foaming machinery. This technology delivers highly consistent density distribution and cell alignment, preventing thin walls or structural weak points in our finished products.
Our division employs 8 dedicated chemical and material engineers. We run continuous QA protocols—including dimensional control, density monitoring, and flame-retardancy testing—on every production batch.
Our operation relies on a collaborative framework. Our teams combine technical expertise with client support. This ensures that every shipment, certificate, and custom dimension aligns with our clients' project requirements.
Our organization consists of 8 professional engineers in our R&D department, 6 international sales specialists managing global documentation, and 230 manufacturing specialists operating our production floor.
This structure allows us to handle complex requirements, including customized sizing, specialized packaging, and complex shipping logistics. This dedication helps us support large-scale construction schedules without delays.
Detailed mechanical property parameters for engineering design, structural modeling, and insulation calculator integration.
| Insulation Type | Material Composition | Available Thickness | Internal Diameter (ID) | Density Range | Operational Temperature Range |
|---|---|---|---|---|---|
| Black Rubber Foam Sheet Roll | NBR/PVC Elastomeric Foam | 6mm – 50mm | N/A (Flat Sheet Format) | 40 – 55 kg/m³ | -40℃ to 105℃ |
| Black Rubber Foam Tube / Pipe | NBR/PVC Elastomeric Foam | 9mm – 40mm | 6mm – 114mm | 40 – 55 kg/m³ | -40℃ to 105℃ |
| Cryogenic Insulation Material | Specially Formulated Elastomer | 13mm – 50mm | Custom IDs Available | 50 – 65 kg/m³ | -180℃ to 105℃ |
| Self-Adhesive Sheet Roll | NBR/PVC + High Tack Adhesive | 6mm – 32mm | N/A | 40 – 55 kg/m³ | -40℃ to 85℃ |
We work closely with clients worldwide to meet strict specifications. From initial insulation calculations and sample approvals to technical documentation audits and on-time site deliveries, we maintain open communications throughout every project.
Our international support team provides transparent order tracking, custom sizing updates, and technical assistance. This hands-on service has established our reputation as a trusted manufacturing partner for infrastructure projects globally.
Step-by-step raw material processing, high-pressure foam curing, and quality control verification stages.
Every commercial construction and industrial process site presents unique engineering challenges. Standard, off-the-shelf products do not always align with custom designs. To address this, we offer complete OEM and ODM customization workflows for global procurement needs.
We customize physical properties to meet project specifications, including custom interior diameters for process pipes, variable wall thicknesses, and specialized self-adhesive backings. We also offer pre-laminated aluminum foil facings to resist weathering and mechanical wear in outdoor applications.
Our engineering team can assist you throughout the design phase, providing structural calculations and physical samples to ensure our materials meet your project's performance criteria.
Detailed technical answers to help engineering and purchasing teams with their decision-making process.
Explore our full line of closed-cell elastomeric pre-formed pipes, self-adhesive rolls, and high-performance cryogenic systems.
