Kingflex Kingflex

Wholesale Cooling Insulation Material Manufacturer & Manufacturers

High-Performance Closed-Cell Elastomeric Foam & Low-Temperature Cryogenic Insulation Solutions for Global Industrial Markets

1979
Establishment Year
600K+ m³
Annual Production Capacity
5 Lines
Large Automatic Assembly Lines
66+
Global Export Destinations

Kingflex Insulation Co., Ltd.

Kingflex Insulation Co., Ltd. is a leading professional manufacturing and trading combination specializing in premium-tier thermal and cooling insulation products. The company's dedicated research, development, and high-efficiency production departments are strategically situated in Dacheng, China—historically recognized as the capital of green-building materials. As an energy-saving, environmentally conscious enterprise, Kingflex seamlessly integrates fundamental R&D, advanced vulcanized foaming production, global sales channels, and dedicated installation guidance.

By positioning energy conservation and system efficiency as our core operational philosophies, we deliver state-of-the-art cold insulation systems. Our services span from initial thermal-loss consultations to localized construction guidance and reliable post-sale technical audits, continually driving modernization across the global building material and industrial process industries.

"Inheriting a legacy from the Jinwei Group, established in 1979 with over 40 years of pioneering innovation, Kingflex was the first major manufacturer of thermal insulation materials north of the Yangtze River."

Kingflex Corporate Operations Kingflex Manufacturing History

The Strategic Advantages of China's Advanced Insulation Factories

Understanding how modern industrial scaling, geographic resource clustering, and strict quality control protocols ensure top-tier performance for global commercial pipelines.

Advanced Continuous Vulcanization

Unlike standard batch processing, our Dacheng plant implements continuously monitored high-pressure foaming extruders. This maintains cell structural uniformity (closed-cell rate exceeds 98%), preventing macro-void defects that degrade long-term thermal resistance (λ-values).

Unrivaled Scalability & Timelines

Operating 5 fully automated assembly lines yields an annual output of 600,000+ cubic meters. Because of this massive volume, we provide consistent supply guarantees to critical energy, electric power, and chemical infrastructure projects worldwide without standard supply-chain delays.

International Standards Certification

Our raw materials and finished products are consistently benchmarked against rigorous global standards. Kingflex products carry approvals under BS 476, CE, REACH, RoHS, UL94, and ASTM, meeting strict compliance criteria for high-specification projects globally.

Insulation R&D Department Automated Quality Inspection Materials Testing Lab

Product Specifications and Physical Properties

Kingflex cooling insulation relies on high-grade elastomeric NBR/PVC matrices, optimized to mitigate the risks of surface condensation, energy loss, and structural corrosion (under insulation) across varied ambient conditions. Below are the precise technical criteria that make our products standard-setters for energy conservation designs.

Black Rubber Foam Insulation Sheet Roll
  • Material CompositionElastomeric NBR/PVC
  • Standard Thickness Range6mm to 50mm
  • Nominal Density40 - 55 kg/m³
  • Service Temperature Limit-40℃ to 105℃
  • Closed-cell Ratio> 98%
  • Moisture Absorption RateExtremely Low (Moisture Barrier Built-in)
  • Compression Resilience> 80%
Black Rubber Foam Insulation Pipe
  • Material BasePremium NBR/PVC blend
  • Standard Thickness Range9mm to 40mm
  • Inner Diameter (ID) Range6mm to 114mm
  • Density Rating40 - 55 kg/m³
  • Service Temperature-40℃ to 105℃
  • Thermal Conductivity≤ 0.035 W/(m·k) at 0℃
  • Freeze-Crack PreventionHigh performance safety profile
Ultra-Low Temp Cryogenic Systems
  • Applicable RangeCryogenic & ULT Projects
  • Material TechnologyModified Dienes Elastomeric Rubber
  • Thermal Aging ProfileStable at extreme low ranges
  • Typical ApplicationsLNG piping, Ethylene plants, Cryostat lines
  • Vapor Barrier RequirementBuilt-in high resistance index (μ)
  • Acoustic DampeningIntegrated structural noise reduction
  • Corrosion ResistanceNon-corrosive to carbon/stainless steel

Macro-Industry Solutions & Application Scenarios

From heavy chemical process systems to commercial skyscrapers, cooling insulation material guarantees optimal performance by shielding pipelines from thermodynamic loads.

1. Central HVAC & Refrigeration Systems

Condensation forms instantly when chilled water pipelines or air ducts contact humid ambient air. Kingflex elastomeric foam sheet rolls and pre-formed tubes wrap tightly around these systems, acting as a complete thermal and vapor barrier to maintain target temperatures, optimize chiller cycles, and prevent dripping damage in commercial ceilings.

2. Heavy Industrial Chemical & Steam Processing

In chemical and petrochemical plants, process temperatures fluctuate wildly. Our corrosion-resistant, high-resilience foam tubes shield metallic pipes from atmospheric humidity, reducing Corrosion Under Insulation (CUI) while retaining critical operational heat or cold energy levels.

3. Cryogenic Systems & Low-Temperature Engineering

Transporting Liquefied Natural Gas (LNG), liquid nitrogen, or ultra-cold ethylene requires reliable insulation. Kingflex's modified Alkadiene rubber insulation systems remain flexible at extreme sub-zero temperatures, preventing structural embrittlement and catastrophic heat gain.

HVAC Insulation Install Large Pipeline Ducting Cold Chamber Installation Industrial Pipe Lagging

Engineered to Perform: Expert R&D Team

Our operational strength stems from our highly skilled workforce. The Kingflex R&D department features 8 professional chemical and mechanical engineers who develop custom-engineered foam densities and formulation modifications to match client-specific fire, moisture, and temperature limits.

Supporting our global operations are 6 professional international sales specialists and 230 technicians on the assembly floor. This cohesive team ensures that every batch meets the performance standards required by modern design offices and building departments.

CE Compliance Certificate Quality Control Certification ISO Standard Badge BS 476 Certification
Kingflex R&D Lab Kingflex Technical Staff

Strategic Global Procurement & Value Chains

Sourcing large volumes of cooling insulation materials requires evaluating cost structures, global logistics risks, and technical support access. As a preferred international vendor, Kingflex designs its processes to match the compliance and procurement pathways of global contractors.

Custom Coating and Adhesives

We support double-sided self-adhesives and tough aluminum foil facings on our sheet rolls. These coatings improve mechanical protection, weatherproofing, and UV resistance for outdoor installations without slowing down installation times.

Supply Security & Fast Shipping

We maintain deep stockpiles of standard-sized elastomeric tubes and sheets. Our close proximity to major shipping terminals ensures quick dispatch times, helping EPC contractors stay on schedule and avoid penalties for project delays.

Complete System Tracking

Every manufacturing run of Kingflex rubber foam is fully traceable back to its raw material batches and manufacturing parameters. This transparent quality system provides project managers with reliable product documentation.

Kingflex Warehouse Storage

Quality Verification & Client Operations

Review actual performance confirmations, verification checklists, and field evaluations from our global client base.

Material Testing

Factory Testing Protocols

Structural Audit

Density Verifications

Client Feedback Log

Performance Approvals

Finished Batch QC

Dimensional Consistency Audits

Frequently Asked Questions

Detailed answers to common questions about thermal conductivity, fire classification, and long-term durability properties.

What is elastomeric rubber foam insulation primarily used for?
Elastomeric rubber foam insulation is widely used in heavy industrial processes and building HVAC installations. Its primary applications include insulating central air conditioning chilled water pipes, HVAC ducts, low-temperature water lines, cold storage pipelines, and industrial process piping. Its dense, closed-cell structure prevents warm ambient air from contacting cold pipe surfaces, which stops condensation, preserves chilled water temperatures, and controls thermal energy losses.
Is Kingflex rubber foam insulation fire resistant?
Yes. Our elastomeric foam is formulated with advanced fire-retardant additives to meet international safety codes. It complies with BS 476 (Class 0 and Class 1 ratings) and UL94 V-0 requirements, meaning it is self-extinguishing and will not spread flame under fire conditions.
What is the difference between rubber foam and rock wool insulation?
Rubber foam is a flexible, closed-cell material with high moisture resistance, making it ideal for cooling lines, refrigeration, and HVAC systems where condensation is the primary issue. In contrast, rock wool is an open-fiber material suited for high-temperature steam lines, furnaces, and fire-barrier walls due to its high melting point. However, it lacks built-in resistance to moisture and requires an external vapor barrier to prevent water absorption.
Do you provide customized insulation products?
Yes, we offer comprehensive OEM and ODM support. We customize dimensional variables, including outer diameters, wall thicknesses, custom lengths, self-adhesive layers, and specialized foil facings, to match the exact requirements of your projects.
What certifications do your products have?
Our products hold certifications for safety and performance, including BS 476, CE, REACH, RoHS, UL94, and ASTM. This ensures compliance with structural codes for projects in North America, Europe, Asia, and the Middle East.
Does Kingflex products have traceability?
Yes. Every shipment features batch codes tracing the product back to its production run, raw material delivery, and laboratory inspection records, ensuring consistent quality for high-specification projects.
What thickness of Rubber foam insulation sheet roll can you produce?
We manufacture insulation sheet rolls in thicknesses ranging from 6mm to 50mm, allowing engineering teams to specify the correct thickness for their localized environmental conditions.
What is the typical service life of rubber plastic pipe and board?
In typical indoor environments, Kingflex elastomeric foam maintains its physical properties and thermal performance for 10 to 15 years. This durability is supported by its resistance to mold growth, moisture absorption, and thermal aging.
How does thermal conductivity behave over time?
Unlike open-cell alternatives, the closed-cell structure of our NBR/PVC foam traps dry air inside its cells. This keeps the thermal conductivity (λ ≤ 0.035 W/m·K at 0°C) stable over the long term by preventing moisture ingress.

Project Showcase Gallery

View high-resolution installation images from our global project portfolio, showing our materials in service across various sectors.

HVAC Insulation Jobsite 1 Chilled Water Pipe Lagging 2 Industrial Facility Pipe Insulation 3 Commercial Cooling System 4 Cooling Duct Insulation 5 Large Diameter Chilled Pipe 6 Insulated Process Lines 7 Mechanical Plant Room 8 Ductwork Cladding 9 Refrigeration Pipeline 10 Storage Tank Base Insulation 11 Process Piping Installation 12

Summary of Applications & Technical Scope

Kingflex insulation materials are suitable for a wide range of systems. Below are the key applications for our sheet rolls and pre-formed tubes:

Sheet Roll Applications

  • Central Air Conditioning: Thermal insulation for air ducts and ventilation piping.
  • Building Envelope: Roof, wall, and basement thermal and acoustic insulation.
  • Industrial Plant Equipment: Custom-fit lagging for large vessel walls and storage tanks.
  • Marine & Transit: Lightweight insulation for bulkheads, decks, and mass transit rail cars.
  • Chemical Systems: Acoustic dampening and weather-sealed process tank covers.

Pipe Insulation Applications

  • HVAC Systems: Chilled water pipelines, refrigerant lines, and condensate drains.
  • Domestic Services: Frost protection and thermal retention for plumbing systems.
  • Industrial Process Piping: Temperature control for chemical process lines.
  • Cold Chain Systems: High-efficiency insulation for refrigeration facilities.
  • Solar Systems: UV-protected, high-temperature lines for solar collectors.