Kingflex
Kingflex
Engineered specifically to meet CA Title 24 environmental standards and demanding coastal microclimates.
Southern California is undergoing a historic shift in mechanical design and energy conservation. Driven by California Code of Regulations Title 24, Part 6 (California Energy Code) and strict municipal decarbonization targets, architects and engineers in the Los Angeles metro region must source materials that offer optimum thermal performance, long-term stability, and low global warming potential (GWP).
In coastal zones like Long Beach, Santa Monica, and the Port of Los Angeles, salt-laden marine air accelerated oxidation of typical fiberglass backing systems. Flexible closed-cell elastomeric rubber foam (NBR/PVC) has become the gold standard. Its built-in vapor retarder skin naturally resists moisture intrusion and minimizes the risk of mold growth in mechanical plenums—crucial for maintaining indoor air quality (IAQ) in crowded high-density commercial developments and movie production studios throughout Burbank and Hollywood.
Globally, the flexible elastomeric foam market is expanding rapidly due to rising demand for VRF (Variable Refrigerant Flow) systems, district cooling grids, and cryogenic processing lines. The transition away from halogenated blowing agents toward eco-friendly alternatives is now mandatory across key European and North American markets.
As mechanical contractors evaluate pricing structures, importing directly from high-capacity international plants like Kingflex Insulation enables significant cost savings. Managing the logistics of supply chains through the Port of Los Angeles requires robust manufacturing capability, strict quality certificates (such as UL 94, BS 476, ASTM), and rapid production output to match local project timelines.
Annual Capacity (m³)
Years of Industry Heritage
Global Export Destination Countries
Closed-Cell Uniform Density Rate
Learn about our development history, professional R&D team, and international distribution network.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Kingflex research development and production department is located in well-known capital of green-building materials in Dacheng, China. It is an energy-saving environmental friendly enterprise concentrating on research, development, production, and sales. In operation, Kingflex takes energy saving and consumption reduction as the core concept. We provide solutions regarding thermal insulation by means of consultation, research and development, production, installation guidance, and post-sale service to lead the development of global building materials industry.
Kingflex is established by Jinwei Group which boasts more than 40 years of history. Jinwei Group, established in 1979, was the first manufacturer of thermal insulation materials north of the Yangtze River, creating a solid foundation of engineering experience.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. The Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service to our global clients. Kingflex has eight professional engineers in our R&D Department, 6 professional international sales specialists, and 230 skilled workers in our production facilities.
At present, Kingflex operates 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters. It has become a designated production enterprise trusted by national energy, electric power, and chemical departments. Our responsibility is to supply customers all over the world with a full set of energy-saving insulation system solutions, acting as an integrated solutions provider of thermal insulation, cold conservation, and noise reduction for buildings and industrial facilities.
Rigorous testing processes and global certifications ensure reliable long-term performance under demanding conditions.
Compare standard engineering profiles and select the correct elastomer parameters for your design code.
| Parameters | Kingflex Standard Specifications |
|---|---|
| Material Composition | Premium Nitrile Butadiene Rubber / Polyvinyl Chloride (NBR/PVC) Blend |
| Thickness Range | 6mm to 50mm |
| Density Range | 40 to 55 kg/m³ |
| Service Temperature Range | -40℃ to +105℃ (-40°F to +221°F) |
| Closed-Cell Rate | > 98% (minimizes moisture drift and thermal performance loss) |
| Property | Pipe Specification Metric |
|---|---|
| Base Resin | High-Grade Synthetic NBR/PVC elastomer polymer matrix |
| Inner Diameter (ID) | 6mm to 114mm (suitable for copper refrigeration and iron pipe systems) |
| Wall Thickness | 9mm to 40mm |
| Water Vapor Permeability | Excellent resistance factor (μ ≥ 7,000) |
| Surface Treatment | Smooth skin finish for outdoor/indoor aesthetic resistance |
Real-world applications and direct client communications demonstrating global reliability.
Explore our core product lines, designed for structural and mechanical insulation compliance.
High-performance insulation products designed for complex system configurations.
Engineered for extreme cryogenic cold preservation, extreme chemical resistance, and industrial rock wool applications.
Flexible and moisture-resistant closed-cell tubing designed for standard commercial HVAC line sets.
Shielded NBR/PVC blend engineered to resist strong chemical exposure and harsh marine air environments.
High-elasticity foam piping that allows quick installation over complex architectural joint manifolds.
Standardized thermal pipe wrap preventing condensation on commercial chilled water loops.
Lightweight dual-purpose elastomeric insulation protecting mechanical systems from heat gain or loss.
Designed for multi-zone VRV/VRF applications, providing low thermal drift over years of service.
A multi-layered configuration designed to optimize efficiency in large mechanical utility rooms.
Specialized low-temperature structure designed for LNG and demanding scientific processing lines.
Provides critical crack-mitigation properties down to extreme cryogenic temperature thresholds.
Ultimate low-temp vapor barrier system to prevent heavy ice build-up on gas transfer lines.
High-temperature fire barriers designed for structural building walls and furnace enclosures.
High-density mineral fibers providing thermal and fire barrier performance up to 1000°C.
Our fully automated assembly lines ensure continuous, high-volume production output.
Technical answers regarding local mechanical regulations, environmental performance, and supply logistics.
Get in touch with our engineering support team for competitive volume pricing, custom specifications, and logistic solutions for your projects.
