China Eco Core Eco Friendly Insulation Suppliers & Pricelist

Decarbonizing Building & Industrial Systems via High-Performance Elastomeric NBR/PVC Thermal Insulation solutions. Engineered for Class-A structural compliance, moisture barriers, and acoustic mitigation.

Eco Core: The Science of High-Efficiency Closed-Cell Thermal Barriers

In the modern landscape of HVAC engineering, commercial construction, and petrochemical processing, energy conservation is no longer merely a financial consideration—it is a critical compliance metric. Standard building assemblies suffer significant energy leaks due to substandard insulation materials that absorb moisture, degrade physically, or permit convective heat transfer. The Eco Core manufacturing approach developed by Kingflex Insulation Co., Ltd. addresses these vulnerabilities directly by maximizing molecular cross-linking within an elastomeric NBR/PVC matrix.

Traditional insulation mediums like fiberglass or open-cell polyurethane are highly vulnerable to the moisture-absorption trap. As moisture permeates the air gaps, the thermal conductivity increases exponentially (since water conducts heat roughly 25 times more efficiently than air). Kingflex’s closed-cell structure boasts a closed cell rate exceeding 98%. This forms an impermeable barrier against vapor transition, entirely eliminating the need for separate external vapor barriers in typical indoor HVAC installations.

Fundamental Thermodynamics of Closed-Cell NBR/PVC

By combining high-grade Nitrile Butadiene Rubber (NBR) with Polyvinyl Chloride (PVC), Kingflex designs a thermal barrier that traps air in millions of microscopic, independent cells. The resulting material exhibits a remarkably low thermal conductivity ($\lambda \le 0.034$ W/m·K at 0°C) and a vapor diffusion resistance factor ($\mu$) exceeding 10,000. These physical values translate directly into reduced heat gain/loss, prevention of pipe condensation, and mitigation of Corrosion Under Insulation (CUI).

Technical Specifications & Structural Design Options

Our core product lines, including the Black Rubber Foam Insulation Sheet Roll and Black Rubber Foam Insulation Pipe, are manufactured to meet exact engineering metrics:

  • Density Range: 40 to 55 kg/m³, providing the ideal balance between structural integrity and thermal resistance.
  • Thickness Availability: Comprehensive options from 6mm to 50mm for sheet rolls, and 9mm to 40mm for pipe configurations.
  • Operational Temperatures: Safe operational thresholds ranging from -40℃ up to 105℃, making it suitable for low-temperature refrigerants as well as standard hot water piping systems.
  • Compression Resilience: Exceeds 80%, ensuring the material maintains its thickness and insulation capability even under mechanical stress at pipe hangers or junctions.

Localized Application Scenarios & Case Analysis

Understanding the real-world operational challenges of thermal insulation requires assessing distinct localized application zones:

Sheet Roll Applications
  1. Central Air Conditioning: Essential lining for high-volume air handling units and large rectangular duct networks.
  2. Building Assemblies: Used for acoustic and thermal insulation in walls, concrete slabs, and basements.
  3. Water Distribution Systems: Anti-condensation wrapping for large-diameter sanitary mains.
  4. Heavy Manufacturing Plants: Protection for chemical reservoirs, mixing vats, and storage tanks.
  5. High-Occupancy Zones: Ventilation duct lining in airports, shopping malls, and hospitals to suppress mechanical noise.
  6. Transport Infrastructures: Sound dampening and thermal regulation within train carriage envelopes and marine vessels.
  7. Chemical Processing Plants: Heavy-duty protection for large-bore process pipelines against atmospheric corrosion.
Pipe insulation Applications
  1. Chilled Water Systems: Essential insulation for commercial HVAC refrigeration piping.
  2. Residential Plumbing: Prevents freezing of domestic hot and cold-water pipelines.
  3. Hospitality Systems: Reduces thermal loss in hot water circulation networks of hotels.
  4. Steam Distribution Piping: Secondary containment on medium-pressure steam distribution loops.
  5. Refrigeration Logistics: Condensation controls in cold storage facilities and distribution terminals.
  6. Petrochemical Infrastructures: Thermal stabilization for transport lines conveying volatile materials.
  7. Renewable Energy Systems: UV-shielded primary insulation on solar-thermal collector pipe networks.

Key Technical Metrics

Standard Kingflex insulation reference values verified under ASTM/BS laboratory conditions.

  • Base Material NBR / PVC Blends
  • Cell Geometry Fully Closed-Cell
  • Density Range 40 - 55 kg/m³
  • K-Factor (0°C) ≤ 0.034 W/(m·K)
  • Temp. Threshold -40°C to 105°C
  • Water Absorption ≤ 2% by weight
  • Flame Spread BS 476 Part 7 Cl. 1
  • Smoke Toxicity Halogen-Free Options

Kingflex Global Footprint & Production Capacity

A statistical summary highlighting our manufacturing capabilities, global market presence, and historical experience.

> 600,000
Cubic Meters Annual Capacity
5
Automatic Assembly Lines
> 66
Countries Exported To
1979
Year Established (Jinwei Group)

Supply Chain Resilience & Manufacturing Capacity

Operating out of Dacheng, China—the recognized capital of green building materials—our production base utilizes advanced vulcanization systems to guarantee dimensional stability and on-time international delivery.

China’s supply chain resilience is anchored in cluster manufacturing. At Kingflex, we leverage this ecosystem by sourcing raw elastomers, polymer stabilizers, and processing oils locally. This reduces the carbon footprint associated with inbound transportation. Our factory runs 5 large-scale automated continuous vulcanization lines. These lines are fully integrated with real-time temperature control systems that maintain precise density distributions across the foam roll or tube profile.

Having been designated a primary supply enterprise by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry, Kingflex operates under rigorous national and international quality frameworks. Our production planning guarantees that even large volume orders (exceeding 10,000 cubic meters) are batched, manufactured, quality-tested, and prepared for export shipping in short timeframes.

Factory & Continuous Production Facilities

Technical Compliance & Regulatory Standardizations

Building safety codes demand verifiable third-party certification. Our products undergo rigorous testing to comply with international fire, environmental, and chemical standards.

At Kingflex, we maintain a dedicated R&D facility staffed by 8 professional materials scientists and engineers. This laboratory focuses on polymer formulation testing, smoke toxicity reduction, and cryogenic performance testing. Our core products are certified under BS 476, CE, REACH, RoHS, UL 94, and ASTM. This ensures smooth customs clearance and strict compliance with local building regulations in over 66 countries.

Verified Credentials & Research Centers

Global Client Communication & Verification

Our international team provides full documentation and real-time transaction support, ensuring transparency from factory floor to job site.

Project Integrations & Industrial References

From cryogenic gas processing pipelines to commercial HVAC installations, Kingflex products provide reliable insulation performance worldwide.

Technological Roadmap: The Evolution toward Halogen-Free Systems

The next generation of building materials must balance thermal efficiency with environmental health. Standard elastomeric foams contain trace chlorochemicals that act as flame retardants but can release corrosive gases during thermal decomposition. Kingflex is leading the transition with our Halogen-Free Thermal Insulation range. Engineered without chlorine or bromine, these products prevent the release of toxic acid gases during fires, providing an essential safety solution for schools, cleanrooms, and data centers.

Additionally, our R&D efforts are focused on bio-based plasticizers to replace petroleum-derived materials. This initiative aims to reduce the carbon footprint of our products while maintaining the physical properties of NBR/PVC foams.

Technical Catalog: Specialty Foam & Fibrous Material Configurations

A comprehensive inventory of our specialized elastomeric rubber foam profiles, cryogenic solutions, and mineral wool insulation systems designed to meet distinct performance requirements.

Technical & Commercial FAQ

Detailed explanations regarding product application, material differences, compliance standards, and custom manufacturing capabilities.

Q1: What is elastomeric rubber foam insulation used for?+
A1: It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation. Its closed-cell structure prevents moisture ingress and maintains stable thermal conductivity over the system's operational lifetime.
Q2: Is Kingflex rubber foam insulation fire resistant?+
A2: Yes. Kingflex rubber foam insulation incorporates flame-retardant additives that make it self-extinguishing. It complies with major international fire safety standards, including BS 476 Class 1, UL 94, and other local building codes.
Q3: What is the difference between rubber foam and rock wool insulation?+
A3: Rubber foam is flexible, has a closed-cell structure, and provides built-in moisture resistance. This makes it ideal for chilled water systems, HVAC ducts, and cold storage applications. Rock wool (mineral fiber) is rigid, has an open-cell structure, and offers high heat resistance, making it suitable for high-temperature industrial steam lines.
Q4: Do you provide customized insulation products?+
A4: Yes, we provide OEM services. We can customize sheet thickness (6mm to 50mm), pipe inner diameters (6mm to 114mm), density, colors, and backing adhesives to meet specific project specifications.
Q5: What certifications do your products have?+
A5: Our products are certified under BS 476, CE, REACH, RoHS, UL 94, ASTM, and other international quality standards. Testing reports are available upon request for commercial projects.
Q6: Are Kingflex products traceable?+
A6: Yes, all shipments feature full batch code traceability. Every production run is logged with raw material batch identifiers and curing logs, ensuring complete quality control and documentation.
Q7: What thickness of Rubber foam insulation sheet roll can you produce?+
A7: We can produce sheet rolls in thicknesses ranging from 6mm to 50mm, enabling single-layer solutions for projects requiring high thermal resistance without needing multi-layer installations.
Q8: What is the service life of rubber plastic pipes and boards?+
A8: When properly installed and maintained, Kingflex insulation materials provide a service life of 10 to 15 years under typical indoor operating conditions. Outdoor installations require protective coatings or aluminum cladding to prevent UV damage.

Material Categories & Bulk Technical Specifications

Explore our main product categories, including closed-cell rubber elastomeric foams, glass wool, and mineral rock wool systems designed for demanding projects.

Key Product Classifications