Kingflex Kingflex

Wholesale Insulation Foam Factories & Pricelist

Unlocking Maximum Thermal Efficiency with Premium Closed-Cell Elastomeric Systems for Global Commercial and Industrial Infrastructure

Global Enterprise Procurement Needs & Macro Industry Shifts

In modern industrial and commercial design, thermal efficiency is no longer simply about cost reduction; it is a core structural component of global decarbonization policies. HVAC systems, chilled water circuits, and cryogenic piping lines operate within tight energy margins. As global regulations like the European Union's Energy Performance of Buildings Directive (EPBD) and ASHRAE Standard 90.1 tighten, engineers must eliminate thermal losses while preventing moisture intrusion.

Elastomeric rubber foam insulation (NBR/PVC based) has emerged as the preferred choice for industrial applications. Unlike open-cell or mineral wool products, closed-cell structures retain their thermal performance even when exposed to high moisture environments. Our market intelligence indicates that engineering teams increasingly specify closed-cell structures to avoid Corrosion Under Insulation (CUI) and eliminate structural mold risks.

Complete Moisture Resistance: With a water vapor permeance index (μ) exceeding 10,000, our closed-cell matrix prevents moisture from penetrating the insulation body. This maintains a consistent thermal conductivity (k-value) over a lifespan of 15+ years.
Superior Fire Safety Ratings: Achieving Class 0 and Class 1 standards (BS 476 Part 6 & 7), our products self-extinguish when exposed to open flames, limiting smoke toxicity and physical flame spread in multi-story infrastructure.
Extreme Thermal Range Capability: Engineered to withstand temperatures ranging from -40°C to +105°C (and cryogenic variants down to -200°C), preventing cracks and preserving mechanical integrity under thermal expansion and contraction cycles.
600K+
Annual Capacity (m³)
40+
Years of Jinwei Group History
66+
Countries Exported To
>98%
Closed-Cell Rate

Technical Specification & Engineering Matrix

Examine the mechanical properties of Kingflex elastomeric insulation materials. Engineered to satisfy rigorous performance criteria in high-humidity HVAC environments and sub-zero cryogenic systems.

Black Rubber Foam Insulation Sheet Roll

Standard Dimensions

  • Base Compound: Nitrile Butadiene Rubber (NBR) & Polyvinyl Chloride (PVC)
  • Production Thickness: 6mm - 50mm
  • Core Density: 40 - 55 kg/m³
  • Service Temp Range: -40℃ to 105℃

Advantageous Metrics

  • Closed-Cell Rate: >98% uniform cell structure
  • k-Value Performance: Stable long-term thermal conductivity
  • Resilience Level: Compression resilience over 80%
  • Safety Profile: Flame retardant, self-extinguishing off fire

Typical Applications

  • Central AC air ducts & distribution lines
  • Commercial building wall, roof & basement insulation
  • HVAC & clean water piping systems
  • Industrial storage tanks & process pipe jackets

Black Rubber Foam Insulation Pipe

Standard Dimensions

  • Base Compound: NBR / PVC Elastomeric Polymer
  • Insulation Wall Thickness: 9mm - 40mm
  • Internal Diameter (ID): 6mm - 114mm
  • Core Density: 40 - 55 kg/m³
  • Service Temp Range: -40℃ to 105℃

Advantageous Metrics

  • Cellular Uniformity: Homogeneous foaming, high elasticity
  • Precision Application: Spray-coated interior for easy piping fits
  • Moisture Protection: High moisture resistance factor
  • Risk Mitigation: Greatly reduces pipe freezing and cracking risks

Typical Applications

  • Chilled water, hot water, & condensate pipes
  • Hotel, hospital, and retail HVAC distribution lines
  • Industrial steam and heavy chemical piping lines
  • Cryogenic cold chain & cold storage loops
Performance Indicator Reference Standards NBR/PVC Elastomeric Foam Value Engineering Value
Thermal Conductivity (λ) ASTM C518 / ISO 8301 ≤ 0.034 W/(m·k) at 0 °C Optimal energy conservation limits
Water Vapor Permeance (μ) EN 12086 / ASTM E96 ≥ 10,000 Eliminates the need for external vapor barriers
Fire Performance Classification BS 476 Parts 6 & 7 / UL 94 Class 0 / Class 1 / V-0 Rated Approved for public commercial structures
Smoke Density & Toxicity GB/T 8627 / ASTM E662 SDR ≤ 75% Reduced particulate output in critical zones
Dimensional Stability GB/T 8811 ≤ 10% shrinkage over service life Prevents joints from opening due to contraction

Advanced Manufacturing Capabilities & Historical Excellence

Kingflex Insulation Co., Ltd. represents the peak of thermal insulation manufacturing. Operating in the green-building materials center of Dacheng, China, we combine 40 years of manufacturing experience with modern automated production.

Corporate Roots: The Jinwei Group Legacy

Our parent company, the Jinwei Group, was established in 1979 as the pioneer manufacturer of thermal insulation materials north of the Yangtze River. Over the past 40 years, this foundation has enabled Kingflex to grow into an integrated enterprise covering research and development, manufacturing, supply chain logistics, and after-sales support.

Today, our facility runs 5 large automated assembly lines, achieving an annual production capacity of over 600,000 cubic meters. These capacity metrics make us a designated supplier for major energy, power generation, and chemical ministries globally.

Dedicated Research & Development

Our R&D department features 8 professional engineers focusing on molecular structures and eco-friendly blowing agents. Backed by 230 production personnel and 6 international trade representatives, our team delivers consistent quality and comprehensive technical support to commercial buyers worldwide.

Kingflex Manufacturing Facility

R&D Labs and Testing Equipment

Global Compliance, Quality Audits & Traceability

Our commitment to international standards is backed by certifications and verifiable quality control. Every batch of Kingflex insulation is trace-coded for complete supply-chain transparency.

Direct Customer Feedback & Traceability

True authority comes from satisfied clients and verified trade communication. We maintain communication logs, packaging checks, and project sign-offs for all international contracts.

Our products have passed BS 476, CE, REACH, RoHS, UL94, and ASTM certifications. This ensures our elastomeric foam sheets, rolls, and pipes comply with local environmental and fire codes across North America, Europe, Asia, and the Middle East.

BS 476 Certified CE Compliant REACH Audited RoHS Passed UL94 V-0
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Global Industrial Projects & Field Implementations

Explore real-world implementations of Kingflex insulation systems across commercial complexes, industrial plants, cold-storage zones, and petrochemical processing systems.

HVAC & Commercial Building Infrastructure

High-occupancy structures require quiet, efficient climate control. Our NBR/PVC elastomeric foam sheets line large air-handling ducts, mitigating noise pollution and energy loss. Because the material does not shed fibers, it keeps indoor air clean and safe for commercial environments like hospitals, retail centers, and residential developments.

Sub-Zero Cryogenic & Cold Chain Projects

Transporting liquified gases or maintaining sub-zero processing temperatures requires robust thermal barriers. Our flexible cryogenic insulation system remains stable under extreme temperature changes. This prevents fracturing, controls condensation, and protects expensive piping systems from corrosion.

Production Lines & Shipping Preparations

Technical Roadmap & Thermal Science Outlook

How Kingflex is addressing future global energy goals and safety standards.

Halogen-Free Elastomer Upgrades

To meet strict indoor air quality (IAQ) and green building certification requirements (such as LEED and BREEAM), our R&D team is expanding production of halogen-free thermal tubing. This removes chlorine and bromine flame retardants, keeping toxicity and smoke opacity to a minimum during a fire.

Cryogenic & High-Temp Advances

By modifying NBR/PVC polymer structures with specialized plasticizers and stabilizers, we are extending the temperature range of our products. This ensures the insulation remains flexible and stable under severe temperature changes, from cryogenic applications to warm steam lines.

Sustainable Sourcing & Net-Zero

We are upgrading our manufacturing processes to lower energy consumption and utilize bio-based elastomers. Our goal is to reduce the carbon footprint of our insulation products, supporting builders and developers in meeting modern net-zero goals.

Frequently Asked Questions (FAQ)

Find answers to common questions about thermal calculations, installation techniques, code compliance, and bulk wholesale logistics.

Q1: What is elastomeric rubber foam insulation used for?

It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation and sound insulation.

Q2: Is Kingflex rubber foam insulation fire resistant?

Yes, our rubber foam insulation are fire retardant, which meets the safety standards of building and industrial projects.

Q3: What is the difference between rubber foam and rock wool insulation?

Rubber foam is flexible, closed-cell and moisture-proof, suitable for HVAC and building insulation; Rock wool is high-temperature resistant and fireproof, suitable for industrial high-temperature pipeline insulation.

Q4: Do you provide customized insulation products?

Yes, we support OEM service to meet different project needs.

Q5: What certifications do your products have?

Our products have passed BS 476, CE, REACH, ROHS, UL94, ASTM and other international certifications, ensuring product quality and compliance with global standards.

Q6: Does Kingflex products have traceability?

Yes, Kingflex products have traceability.

Q7: What thickness of Rubber foam insulation sheet roll can you produce?

We can produce from 6mm to 50mm thickness.

Q8: What is the service life of rubber plastic pipe and board?

It will be about 10 to 15 years.

Product Gallery & Structural Profiles

Visual details of our insulation tubes, cryogenic boards, and mineral wool options.

Global Warehousing & Distribution Center Supply

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