Kingflex
Direct supply of high-performance closed-cell elastomeric foam tubes, tapes, and sheeting engineered for extreme climate control and condensation protection.
In industrial, commercial, and HVAC construction within Australia, moisture accumulation stands as a critical challenge to building longevity and thermal efficiency. When warm, humid air contacts chilled services, water vapor condenses. A premium vapour barrier behaves not simply as a physical membrane, but as an engineered system designed to block molecular moisture diffusion.
Kingflex elastomeric closed-cell insulation integrates this barrier defense into its very core. Boasting a water vapor diffusion resistance factor (µ-value) of ≥ 10,000, our NBR/PVC composition blocks moisture transfer without relying on easily compromised surface foils. This ensures structural resilience and stable insulation values (k-value) over decades of service.
How modern code standards and changing climate demands impact specification across Oceania.
Under the Australian National Construction Code (NCC), condensation management is strictly regulated. Materials used for moisture control must align with AS 4200.1 (Pliable Building Membranes) and satisfy thermal performance testing under AS/NZS 4859.1.
From the tropical humidity of Northern Queensland to the cool temperate climate of Tasmania, buildings face unique vapor pressure differentials. Closed-cell rubber foam provides highly stable, non-fibrous thermal performance across these varying regions.
Fiber-free materials prevent micro-porous mold formation in damp sub-floors and crawlspaces. Furthermore, the viscoelastic NBR matrix mitigates structural vibration, offering excellent dual thermal-acoustic performance.
Leveraging automation and scaled manufacturing to deliver reliable materials globally.
Located in Dacheng, China—a hub for green building materials—Kingflex operates five fully automated production lines. Our facility delivers consistent cell sizing and uniform thickness across sheet and pipe products.
Under Jinwei Group’s 40-year lineage (est. 1979), we implement robust batch tracking protocols. From raw material input to the vulcanization and expansion processes, every single run undergoes strict quality control to guarantee performance in demanding commercial projects.
Detailed performance parameters for engineering design, HVAC applications, and structural vapor retarder requirements.
A highly flexible insulation sheet designed for large-scale ductwork, industrial tanks, and building walls. The uniform cell structure provides stable thermal resistance and high mechanical resilience.
| Specification Item | Standard Parameter |
|---|---|
| Primary Material | Premium NBR/PVC Blend |
| Available Thickness | 6mm to 50mm |
| Material Density | 40 - 55 kg/m³ |
| Operational Temperature Range | -40℃ to 105℃ |
| Closed-Cell Rate | Over 98% |
| Fire Safety Classification | Flame retardant, self-extinguishing |
Key Applications: HVAC duct wrapping, wall and floor insulation, chemical processing vessels, acoustic absorption in machinery zones.
Engineered specifically for plumbing, HVAC lines, and refrigerant tubes. Pre-formed sleeves reduce installation times and prevent heat loss or condensation on copper and steel pipes.
| Specification Item | Standard Parameter |
|---|---|
| Primary Material | Premium NBR/PVC Blend |
| Wall Thickness Range | 9mm to 40mm |
| Inner Diameter (ID) | 6mm to 114mm |
| Material Density | 40 - 55 kg/m³ |
| Water Vapor Resistance Factor | μ ≥ 10,000 |
| Thermal Conductivity | ≤ 0.034 W/(m·k) at 0℃ |
Key Applications: Split-system refrigerant lines, chilled water loops, industrial hot water piping, and cryogenic processing lines.
A proven track record in extreme industrial, civil, and commercial projects across the world.
In-house laboratories verify density, closed-cell ratios, and flame retardancy for every batch.
Our processes align with CE, REACH, RoHS, UL94, and ASTM fire and environmental safety standards.
Products are shipped securely with high-strength protective wrapping to protect structural integrity.
We maintain open communication with global contractors and distributors. By providing direct factory support, clear lead times, and transparent material testing, we help ensure project timelines are met.
Practical answers to common design, engineering, and supply questions for commercial contractors and wholesalers.
It is primarily designed for HVAC ducts, air conditioning lines, building envelopes, industrial pipe insulation, and sound attenuation systems where condensation control is critical.
Yes, our rubber foam products incorporate flame-retardant additives. They are self-extinguishing when exposed to fire and comply with major building code safety standards.
Rubber foam has a flexible, closed-cell structure that acts as a built-in vapor barrier, making it ideal for cold and HVAC lines. Rock wool features an open structure suited for high-temperature and structural fire protection.
Yes. We support custom dimensions, thicknesses, densities, and adhesive backings via our OEM division to meet specific project guidelines.
Kingflex materials are certified under BS 476, CE, REACH, RoHS, UL94, and ASTM. This guarantees compliance with strict mechanical and chemical standards globally.
Yes. Every manufacturing run is assigned a unique batch number, allowing us to trace raw materials, production metrics, and laboratory test results.
We manufacture flexible rubber foam rolls in thicknesses ranging from 6mm to 50mm, accommodating a wide range of thermal performance requirements.
When installed correctly in indoor or protected environments, Kingflex elastomeric materials maintain their thermal and physical performance for 10 to 15 years.
Select from our core product range. Wholesale rates, custom quotes, and compliance documentation are available upon request.