China Kingflex Rock Wool & Thermal Insulation Products Supplier & Factories

Global Leader in High-Performance NBR/PVC Rubber Foam, Cryogenic Elastomeric Solutions, and Industrial Rock Wool Systems for HVAC, Petrochemical, and Green Building Applications.

Primary Industrial Insulation Products

Direct Factory Supply | Certified High Density Thermal & Acoustic Solutions

China Kingflex Low Density Rubber Foam Sheet With Aluminum Foil Supplier
China Kingflex Low Density Rubber Foam Sheet With Aluminum Foil Supplier
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Wholesale NBR PVC RUBBER FOAM INSULATION SHEET Factory
Wholesale NBR PVC RUBBER FOAM INSULATION SHEET Factory, Pricelist
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Wholesale Kingflex open cell rubber foam soundproof insulation
Wholesale Kingflex open cell rubber foam soundproof insulation Factory
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Kingflex rubber foam pipe low heat conductivity
Wholesale Kingflex rubber foam pipe low heat conductivity Supplier
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China Foam Rubber Foam Insulation Tube Suppliers
China Foam Rubber Foam Insulation Tube Suppliers, Factories
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China Kingflex aluminum foil thermal insulation tape Supplier
China Kingflex aluminum foil thermal insulation tape Supplier
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Dienes elastomeric Insulation For the Cryogenic Systems
Wholesale Dienes elastomeric Insulation For Cryogenic Systems
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Wholesale Dienes Rubber Foam Insulation For Cryogenic Systems
Wholesale Dienes Rubber Foam Insulation For Cryogenic Systems
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Kingflex Industrial Scale & Manufacturing E-E-A-T Metrics

Decades of Engineering Excellence, Global Logistics Footprint, and Advanced Polymer Science

1979
Group Established History
600,000 m³
Annual Production Capacity
66+
Global Export Countries
5 Lines
Continuous Automatic Lines
About Kingflex Insulation Co., Ltd.

Kingflex Insulation Co., Ltd. is a premier manufacturing and trading conglomerate dedicated to thermal insulation products, acoustic dampening systems, and cryogenic polymer barriers. Located in Dacheng, China—the recognized capital of green building materials—Kingflex operates as an energy-saving, environmentally responsible enterprise that seamlessly integrates R&D, automated production, global supply chain logistics, and field engineering consulting.

In line with modern decarbonization targets, Kingflex places energy saving and consumption reduction at its operational core. We provide full-lifecycle insulation solutions comprising technical consultation, specialized R&D customization, certified manufacturing, on-site installation guidance, and post-sale thermal integrity verification to lead the evolution of the global construction and industrial materials sector.

Legacy & Leadership: Originating from the Jinwei Group established in 1979—the pioneer manufacturer of thermal insulation materials north of the Yangtze River—Kingflex carries over four decades of material engineering authority and market trust.

Operational Structure & R&D

Our workforce is driven by a shared vision of providing consistently first-class thermal efficiency and customer care. Our operational human capital includes:

  • 8 Senior R&D Polymer Engineers: Innovating low-lambda formulations & anti-microbial additives.
  • 6 International Trade Specialists: Managing global compliance, customs, and OEM specs.
  • 230 Production Technicians: Operating 5 continuous extrusion and vulcanization lines.

Macro-Industry Thermal Solutions & Material Engineering

Comprehensive Architectural & Industrial Performance Analysis for Procurement Engineers

Dual-System Material Strategy: Matching Insulation Physics to Application Thermodynamics

Modern industrial plants, commercial high-rises, cryogenic storage hubs, and district energy networks require precise material selection to balance thermal efficiency, fire safety, moisture resistance, and long-term operating costs (TCO). Kingflex manufactures both high-temperature inorganic Rock Wool Insulation Products and micro-cellular organic Elastomeric Rubber Foam (NBR/PVC) Systems to address the entire thermal spectrum from -196°C to +650°C.

Product Type Core Composition Thermal Conductivity (λ) Service Temp Range Fire Resistance Standard Moisture Resistance (μ)
Kingflex Rock Wool Board / Blanket Natural Basalt & Dolomite Fibers ≤ 0.038 W/(m·K) at 70°C -40°C to +650°C Class A1 Non-combustible (BS 476 Pt 4) Hydrophobic / Permeable
Kingflex Elastomeric NBR/PVC Foam Closed-cell Nitrile Rubber Compound ≤ 0.034 W/(m·K) at 0°C -50°C to +105°C Class 0 / Class 1 (BS 476 Pt 6/7) μ ≥ 10,000 (Built-in Vapor Barrier)
Dienes Cryogenic Elastomeric System Modified Multi-layer Synthetic Polymer ≤ 0.031 W/(m·K) at -50°C -196°C to +105°C UL94 V-0 Flame Retardant Complete Vapor Tightness

By evaluating parameters such as condensation risk, structural vibration, acoustic transmission class (STC), and fire containment zones, Kingflex engineering consultants help procurement departments select the exact specification needed for maximum energy yield and zero operational downtime.

Core Product Specifications & Application Vectors

Engineered for Standard HVAC, Heavy Industrial, and Specialized Ultra-Low Temperature Networks

Black Rubber Foam Sheet Roll

Standard Specs: NBR/PVC Blend | Thickness: 6mm–50mm | Density: 40–55 kg/m³ | Temperature: -40°C to 105°C.

Core Advantages: Over 98% closed-cell rate, high compression resilience (>80%), self-extinguishing flame retardancy, stable thermal conductivity.

  • Central HVAC Ducting & AHU Enclosures
  • Building envelope wall & acoustic basement lining
  • Large equipment & storage tank insulation
Black Rubber Foam Pipe Insulation

Standard Specs: ID: 6mm–114mm | Wall Thickness: 9mm–40mm | High Moisture Resistance Factor (μ ≥ 10,000).

Core Advantages: Prevents pipe freezing, cracking, and condensation drip. Smooth interior finish for quick slip-on assembly during site construction.

  • Chilled water & condensate drain lines
  • Domestic hot/cold water distribution
  • Solar thermal and process fluid piping
Rock Wool Boards & Blankets

Standard Specs: High-density inorganic spun basalt fibers | Fire Rating: Class A1 Non-combustible | Max Temp: 650°C.

Core Advantages: Superior thermal barrier, high sound absorption coefficient, zero toxic smoke emission, water repellent binder treatment.

  • High-temperature industrial boilers & flues
  • Fire-rated curtain walls & roof decks
  • Petrochemical process pipe blankets
Dienes Cryogenic Systems

Standard Specs: Specialized synthetic rubber formulation retaining flexibility at sub-zero extremes (-196°C to +105°C).

Core Advantages: Eliminates low-temperature thermal cracking stress, eliminates multi-layer glass wool requirement, complete vapor seal.

  • LNG storage, re-gasification, and pipe racks
  • Ethylene and liquid nitrogen processing lines
  • Pharmaceutical ultra-low temperature cold rooms

Continuous Automated Line Capacity & Quality Systems

Designated Supplier for National Ministries of Energy, Power, and Chemical Industry

Smart Automation & Precision Extrusion

At present, Kingflex operates 5 state-of-the-art continuous automatic assembly lines with an annual output surpassing 600,000 cubic meters. Advanced computerized metering systems ensure uniform expansion, cell micro-porosity consistency, and constant wall thickness across sheet rolls and pre-formed pipe sections.

Every batch produced at our Dacheng manufacturing hub undergoes full digital traceability. From raw polymer rubber compounding, blowing agent injection, temperature-controlled vulcanization, to precision slitting and foil lamination, key physical properties are monitored in real-time by automated laser gauge units.

Global Compliance & International Certifications

To support engineering contractors and global procurement agencies, Kingflex products comply with rigorous safety, environmental, and thermal testing benchmarks recognized worldwide:

Certified compliance includes: BS 476 Class 0/1, CE Mark, REACH, RoHS, UL94 V-0, and ASTM C534 / C612 standards.

Global Project Deployments & Verified Client Interactions

Proven Performance Across International Airports, Commercial Hubs, and Energy Refineries

Representative Site Engineering Project Gallery
Direct Procurement & Client Communication

Real-time technical clarification, rapid sample dispatch, and customized container loading confirmation.

Kingflex Technical Roadmap & 2025–2030 Sustainability Vision

Pioneering Zero-ODP Eco-Foams, Smart Thermal Jackets, and Next-Gen Fire Barriers

1. Zero-GWP Bio-Based Elastomers

Advancing rubber foam manufacturing through renewable plant-derived polyols and organic blowing agents. Achieving sub-zero VOC emissions to meet stringent BREEAM and LEED v4.1 indoor air quality standards.

2. Hybrid Rock Wool-Elastomer Composite

Developing dual-layer insulation jackets featuring high-temperature inorganic rock wool core faced with flexible elastomeric outer layers, delivering seamless fire barrier protection up to 1000°C alongside acoustic dampening.

3. Integrated Vapor Sensing Smart Insulation

Integrating micro-electronic moisture sensors directly beneath foil facings for real-time detection of Corrosion Under Insulation (CUI) in oil & gas piping, reducing industrial maintenance expenditure by up to 40%.

Specialized & OEM Insulation Product Series

Expanded Catalog for Global Wholesale, Project Tenders, and Custom Specifications

China Kingflex Rubber & Plastic thermal insulation
China Kingflex Rubber & Plastic flexible closed-foam thermal insulation Factory
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Wholesale Kingflex closed cell rubber foam insulation tubes
Wholesale Kingflex closed cell rubber foam insulation tubes Manufacturer
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Wholesale Dienes Cryogenic Temperature Insulation Rubber Foam
Wholesale Dienes Cryogenic Temperature Insulation Rubber Foam Manufacturers
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Wholesale Elastomeric Cryogenic Insulation Series Manufacturer
Wholesale Elastomeric Cryogenic Insulation Series Manufacturer
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Wholesale Elastomeric cryogenic insulation for low temperature application
Wholesale Elastomeric cryogenic insulation for low temperature application
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Wholesale Elastomeric Insulation For Ultra Low Temperature Systems
Wholesale Elastomeric Insulation For Ultra Low Temperature Systems
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Kingflex rubber plastic foam insulation tube Manufacturers
Wholesale Kingflex rubber plastic foam insulation tube Manufacturers
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China Ultra low temperature rubber foam insulation for cryogenic System
China Ultra low temperature rubber foam insulation for cryogenic System
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Kingflex Technical FAQ & Procurement Knowledge Base

Expert Guidance on Material Physics, Fire Standards, Customization, and Global Freight Logistics

Q1: What is elastomeric rubber foam insulation used for?
Elastomeric rubber foam is mainly used for HVAC ducts, chilled water pipes, air conditioning line sets, building envelope thermal insulation, industrial pipeline cold insulation, and acoustic soundproofing in commercial and residential facilities.
Q2: Is Kingflex rubber foam insulation fire resistant?
Yes, our rubber foam products are fire retardant, self-extinguishing, and comply with strict international standards including BS 476 Part 6 & 7 Class 0/Class 1, UL94 V-0, and ASTM E84, ensuring safety for building occupants and industrial infrastructure.
Q3: What is the fundamental difference between rubber foam and rock wool insulation?
Rubber foam features a flexible, closed-cell elastomeric structure with a built-in moisture vapor barrier (μ ≥ 10,000), making it ideal for refrigeration, HVAC anti-condensation, and low-to-medium thermal ranges (-50°C to +105°C). Rock wool is an inorganic stone fiber product capable of handling extreme temperatures up to 650°C+, offering non-combustible Class A1 fire protection for industrial boilers, kilns, and structural fireproofing.
Q4: Do you provide customized OEM/ODM insulation products?
Yes, Kingflex fully supports OEM/ODM services. We customize dimensions, sheet roll thicknesses (6mm to 50mm), pipe diameters (6mm to 114mm ID), density ranges (40–55 kg/m³), color coding, pre-applied self-adhesive backings, and aluminum foil laminations based on project specifications.
Q5: What international certifications do Kingflex insulation products hold?
Kingflex products are certified under BS 476 (Parts 6 & 7), CE Mark, REACH, RoHS, UL94, and ISO 9001/14001 quality and environmental management systems.
Q6: Does Kingflex implement product batch traceability?
Yes, every production run at Kingflex is tagged with a unique batch code tracking raw material compounding, continuous vulcanization parameters, quality inspector sign-off, and warehouse dispatch metrics.
Q7: What thickness of Rubber Foam Insulation Sheet Roll can Kingflex manufacture?
We produce rubber foam sheet rolls ranging from 6mm to 50mm in thickness, packaged in continuous master rolls or cut sheets depending on customer freight and installation preferences.
Q8: What is the expected service lifespan of Kingflex elastomeric products?
When installed according to recommended engineering guidelines, Kingflex rubber foam pipes and boards maintain structural and thermal performance for 10 to 15 years, resisting ozone, UV weathering, and fungal growth.
Q9: How does Dienes Cryogenic Insulation perform under extreme sub-zero conditions?
Dienes Elastomeric Cryogenic Insulation is formulated with specialized synthetic elastomers that retain elasticity down to -196°C. Unlike traditional rigid foams that fracture under thermal contraction stress, Dienes absorbs differential movement while maintaining a vapor-tight barrier around liquid nitrogen and LNG lines.
Q10: What options exist for protective facings and surface jackets?
Kingflex offers factory-laminated reinforced aluminum foil (ALU), UV-resistant weather barrier films, anti-corrosive polymer jackets, and pressure-sensitive self-adhesive backings for fast site installation.