Kingflex
Kingflex
Modern engineering projects face strict acoustic thresholds. In sectors such as commercial real estate, data centers, oil & gas, and heavy manufacturing, sound absorption insulation is no longer just for comfort—it is a regulatory and functional requirement. Industrial buyers look for solutions that combine high acoustic dampening with thermal performance and fire-retardant safety.
Acoustic Decoupling: Sound propagates easily through rigid structures. Standard closed-cell foam prevents heat transfer but can fail at dampening structure-borne vibration and airborne noise. Open-cell NBR/PVC solutions are designed to trap acoustic energy in their cell matrices, converting sound waves into thermal energy.
Global procurement teams struggle to source acoustic materials that balance thickness limitations, strict fire certifications (such as Class 0 under BS 476), low outgassing, and environmental standards (including REACH and RoHS). Specifying engineers need traceable, standardized performance values backed by testing protocols.
How elastomer material engineering solves critical noise control, structural damping, and thermal insulation challenges in industrial, commercial, and high-performance environments.
For ventilation systems, compressor enclosures, and mechanical rooms, open-cell NBR/PVC structures provide sound absorption. This reduces noise levels to protect worker safety and comply with local environmental regulations.
For liquid gas transport, LNG terminals, and cold process piping, our elastomeric cryogenic systems resist thermal contraction, prevent moisture ingress, and block energy gain to maintain cold loop efficiency.
Formulated with premium halogenated polymers and fire retardants, our insulation systems self-extinguish when fire occurs, meeting BS 476 Class 0 and UL94 V-0 requirements to delay flame spread and protect critical infrastructure.
| Property | NBR/PVC Elastomeric Sheet Roll | NBR/PVC Insulation Pipe | Testing Standard Reference |
|---|---|---|---|
| Thermal Conductivity (λ) | ≤ 0.034 W/(m·K) at 0°C | ≤ 0.034 W/(m·K) at 0°C | ASTM C518 / ISO 8301 |
| Water Vapor Permeability | ≥ 1.0 × 1010 (μ ≥ 10,000) | ≥ 1.0 × 1010 (μ ≥ 10,000) | ASTM E96 / BS EN 12086 |
| Operating Temperature Range | -40°C to +105°C | -40°C to +105°C | EN 14706 / EN 14707 |
| Fire Classification | Class 0 / Class 1 | Class 0 / Class 1 | BS 476 Part 6 & 7 / UL 94 V-0 |
| Density Range | 40 - 55 kg/m³ | 40 - 55 kg/m³ | ASTM D1622 |
| Structure Form | Mainly Closed-cell (Thermal) / Open-cell (Acoustic) | Closed-cell (Anti-condensation) | Microscopic Cell Analysis |
Kingflex Insulation Co., Ltd. is a manufacturing and trading combo for thermal and acoustic insulation products. Located in Dacheng, China—a well-known capital of green building materials—our facility focuses on research, development, and production of energy-saving, environmentally friendly insulation materials.
Established by the Jinwei Group, which has a 40-year history since its founding in 1979, Kingflex built on that foundation to lead the industry in northern China. Today, our facility runs 5 large automatic assembly lines, producing over 600,000 cubic meters annually.
Our team includes 8 R&D engineers, 6 international sales experts, and 230 manufacturing specialists. This cross-functional alignment allows us to assist clients from the initial consultation and design stages through installation and post-sale support.
The insulation industry is shifting toward multi-functional materials that offer acoustic dampening, fire protection, and thermal efficiency in thinner, lighter profiles. Our R&D team is developing solutions to address these changing requirements:
These advances help global projects meet environmental building standards like LEED and BREEAM, supporting sustainability targets without compromising on long-term performance.
Real-world feedback and trace control records demonstrate consistent product performance.
We perform raw material testing, inline density checks, and vertical fire chamber tests on every batch. Each shipment is labeled with batch numbers linked to raw material records, manufacturing parameters, and laboratory test results.
This trace control helps engineers and project managers ensure that the insulation installed on-site matches the specified test certifications.
Our solutions have been exported to 66 countries for commercial and industrial projects, including petrochemical complexes, high-rise ventilation systems, sub-zero LNG processing units, and municipal utility networks.
Designed for flat ducts, tanks, and large-diameter pipelines, these sheets provide thermal performance and acoustic dampening. The flexible formulation allows for easy cutting and installation around complex contours.
| Parameter | Specification Value |
|---|---|
| Material Structure | NBR / PVC blend, flexible cellular foam |
| Thickness Range | 6mm - 50mm |
| Density Profile | 40 - 55 kg/m³ |
| Thermal Limits | -40℃ to 105℃ |
| Thermal Performance | Closed-cell content over 98% for stable thermal conductivity |
| Resilience | Compression resilience over 80% |
Recommended Applications: HVAC duct wrapping, wall and roof insulation, commercial acoustic retrofits, cold rooms, and large chemical process piping.
These pre-formed tubes slide easily onto copper and steel pipes. They prevent condensation, reduce thermal loss, and block sound propagation along pipe walls.
| Parameter | Specification Value |
|---|---|
| Material Structure | NBR / PVC blend, flexible cellular foam |
| Thickness Range | 9mm - 40mm |
| Inner Diameter (ID) | 6mm - 114mm |
| Service Range | -40℃ to 105℃ |
| Manufacturing Coating | Industrial spray-coated inner skin for easier slide-on install |
| Environmental Protection | High resistance to moisture and condensation, reducing risk of pipe corrosion under insulation (CUI) |
Recommended Applications: Chilled and hot water pipes, solar hot water lines, industrial processing pipes, and acoustic decoupling of plumbing networks.
