Wholesale Rigid Insulation Sound Absorption Manufacturer & Factories

High-Performance Acoustic Insulation & Energy-Saving Solutions for Global Industrial and Construction Projects

Pioneering Efficiency

Kingflex Insulation Co., Ltd.

Kingflex Insulation Co., Ltd. is a world-class manufacturing and trading combo dedicated to high-performance thermal and acoustic insulation products. Our R&D and advanced manufacturing center is strategically located in Dacheng, China—widely recognized as the green building materials capital. As an energy-saving and environmentally friendly enterprise, Kingflex concentrates on integrating research, development, production, and global sales.

By focusing on energy efficiency and consumption reduction as our core operational principles, we provide turn-key insulation solutions. Our scope of support ranges from engineering consultation, custom material R&D, advanced manufacturing, installation guidance, to premium after-sales services designed to lead the evolution of the global building materials industry.

Kingflex Manufacturing Facility
600,000+
Annual Capacity (m³)
40+
Years of Industry Heritage
66+
Export Destinations Worldwide
5
Automatic Production Lines

Our Heritage & Development

Over four decades of technical milestones, establishing ourselves as a leading name in thermal and acoustic insulation.

1979

Kingway Group was established. It stood as the pioneer manufacturer of thermal insulation materials north of the Yangtze River, paving the way for regional industrial growth.

R&D Integration

Expansion into advanced elastomeric rubber foams and high-density rigid structures designed for targeted sound absorption and cryogenic insulation systems.

Global Outreach

Successfully registered international patents and certifications, expanding the distribution channel to cover over 66 countries globally.

Historical Timeline Image

Rigid Insulation & Sound Absorption: Industry Trends

Advanced analysis of acoustic engineering, global market shifts, and energy conservation standards.

1. Smart Acoustic Infrastructure

Modern building specifications prioritize materials that deliver dual functionality—optimum thermal performance paired with precise sound dampening. Rigid acoustic panels are increasingly utilized in HVAC duct systems, mechanical plant rooms, and partition walls to achieve superior Noise Reduction Coefficients (NRC).

2. Low-Frequency Noise Attenuation

In industrial and manufacturing installations, low-frequency hums from heavy machinery pose significant structural challenges. Specially engineered NBR/PVC closed-cell foams with structured elastomeric cores mitigate mechanical vibrations, minimizing flanking noise transfer across building components.

3. Green Building Standards & Fire Safety

Global regulatory compliance mandates high fire resistance alongside zero VOC emissions. Our product range meets international fire standards (e.g., BS 476 Part 6/7 Class 0, UL94), facilitating LEED certifications for green structures and prioritizing indoor air quality.

Kingflex R&D Team at Work
Intellectual Capital

Our Specialized R&D Team

Behind every product's success is a dedicated team of engineers. At Kingflex, we believe in combining specialized human expertise with automated technologies. Our workforce is a highly trained group of professionals sharing a unified vision of delivering world-class service to clients across various industries.

  • 8 Professional Engineers in our R&D Department.
  • 6 Dedicated International Sales Consultants for seamless export operations.
  • 230 Skilled Workers running our automated production facilities.

Advanced Research Laboratory & Testing Centers

Acoustic Testing Lab
Thermal Conductivity Testing
Environmental Chamber

Acoustic & Thermal Performance Specifications

Comparative technical specifications of our signature black rubber foam sheet rolls and insulation pipes.

Black Rubber Foam Insulation Sheet Roll

Designed for wide-area application including walls, ceilings, HVAC ducts, and large-diameter industrial tanks. This product is manufactured with an even cell structure that provides balanced acoustic damping across a broad spectrum of noise frequencies.

Parameter Specification Details
Material NBR/PVC Elastomeric Foam
Thickness Range 6mm - 50mm
Density 40 - 55 kg/m³
Service Temp Range -40℃ to 105℃
Closed Cell Rate > 98%
Compression Resilience > 80%
Low Thermal Conductivity
High Moisture Resistance
Class 0 Fire Rating
Black Rubber Foam Insulation Roll 1 Black Rubber Foam Insulation Roll 2 Black Rubber Foam Insulation Roll 3 Black Rubber Foam Insulation Roll 4

Rubber Foam Pipe 1 Rubber Foam Pipe 2 Rubber Foam Pipe 3 Rubber Foam Pipe 4

Black Rubber Foam Insulation Pipe

Specially engineered for pipeline acoustic decoupling and thermal defense. Used in high-vibration building systems, hotels, and process piping networks to isolate fluid velocity noise and mitigate pipe condensation.

Parameter Specification Details
Material NBR/PVC Elastomeric Foam
Thickness Range 9mm - 40mm
Inner Diameter (ID) 6mm - 114mm
Density 40 - 55 kg/m³
Service Temp Range -40℃ to 105℃
Key Advantage Reduces pipe cracking & freezing risks
Anti-Vibration
Anti-Condensation
Self-Extinguishing

International Certifications & Verification

Our production systems conform to global standards of safety, quality, and environmental responsibility.

Certificate 1
Certificate 2
Certificate 3
Certificate 4
Our acoustic insulation structures have successfully obtained certifications including BS 476, CE, REACH, ROHS, UL94, and ASTM. These rigorous assessments verify our materials meet mechanical, thermal, and emission-free criteria, ensuring compliance across key global markets.

Macro-Industry Solutions & Applications

Delivering tailored high-density acoustic solutions for diverse industrial, HVAC, and commercial systems.

Central HVAC & Air Ducts

Highly effective for air handling units (AHU) and rectangular ventilation ducts. The open-cell nitrile rubber structure dampens fan and turbulent airflow noise, while preventing thermal bridge condensation.

Mechanical Rooms & Civil Buildings

Applied in server rooms, hospitals, malls, and residential buildings. Used to cover structural walls, floor slabs, and elevator shafts to control interior acoustic transmission levels.

Chemical & Process Pipelines

Protects industrial piping carrying high-pressure media. Combines high thermal efficiency to prevent heat gain or loss with structural decoupling to isolate mechanical pipe chatter.

Rail Transit & Cold Chain

Specifically tailored lightweight acoustic panel options designed for high-density railway compartments and refrigeration units, where thermal conductivity values must remain exceptionally low.

Solar & Thermal Hot Water Systems

Guarantees efficient outdoor energy performance with high UV and ozone resistance, while preventing water flow noise in residential and hotel distribution lines.

Cryogenic & Ultra-Low Systems

Designed for liquid natural gas (LNG) pipe systems and deep-freeze logistics networks, providing multi-layered defense lines against frost heave and mechanical vibration.

Factory Verification & Project Delivery

Transparent supply chain assurance, showing our international distribution networks and physical plant operations.

Global Quality Standards

End-to-End Traceability

Kingflex insulation products are supported by comprehensive manufacturing data logs. From initial chemical compounding to vulcanization, foaming, extrusion, and final packaging, every batch is traceably documented to align with strict project parameters.

Our logistics support ensures securely palletized, weather-resistant packaging that guarantees our materials arrive undamaged, even on long-distance transoceanic routes.

Production Line View Storage and Logistics

Global Procurement Verification: Live Delivery & Client Feedback

Real-Time Buyer Chats & Trade Trust Documentation

Client Communication Record 1
Client Communication Record 2
Client Communication Record 3
Client Communication Record 4
Client Communication Record 5

Technical Roadmap & Future Outlook

Pioneering tomorrow's industrial materials through systematic R&D initiatives.

Phase 1: Ultra-Low Density Cellular Matrix

Investigating micro-cellular matrices aimed at reducing material weight by an additional 15% without compromising mechanical strength or NRC parameters.

Phase 2: Hybrid Organic-Inorganic Materials

Combining flexible elastomeric membranes with mineral silicate bases to create structural composites with enhanced sound insulation values.

Phase 3: Bio-degradable & Recycled Content

Developing eco-friendly formulation alternatives using post-industrial recycled polymers to support international sustainable building targets.

Production Facility Area A Production Facility Area B Production Facility Area C Production Facility Area D Production Facility Area E Production Facility Area F

Frequently Asked Questions (FAQ)

Detailed technical answers to help guide material selection and engineering choices.

Q1: What is elastomeric rubber foam insulation used for? +
It is primarily designed for high-efficiency HVAC duct systems, air conditioning conduits, structural building thermal insulation, cold/chilled pipeline defense, and high-frequency noise decoupling across commercial and industrial plants.
Q2: Is Kingflex rubber foam insulation fire resistant? +
Yes, our rubber foam products feature advanced flame-retardant chemistry. They self-extinguish when exposed to open fire and meet critical fire-safety requirements, including the BS 476 Class 0 and UL94 ratings.
Q3: What is the difference between rubber foam and rock wool insulation? +
Rubber foam is a flexible, closed-cell material that provides excellent moisture-vapor resistance, making it ideal for HVAC, chilled-water pipes, and acoustic decoupling. Rock wool is a high-density, fibrous material capable of withstanding very high temperatures, making it suitable for heavy industrial steam lines and high-temperature fire stops.
Q4: Do you provide customized insulation products? +
Yes, we offer comprehensive OEM and ODM support. We can custom-tailor densities, thicknesses (6mm to 50mm), inner diameters, and supply specialized facing materials (such as aluminum foil or self-adhesive backing) to meet specific project guidelines.
Q5: What certifications do your products have? +
Our products have successfully passed BS 476, CE, REACH, ROHS, UL94, ASTM, and ISO9001 certifications. This extensive compliance ensures reliable quality and smooth entry into major international markets.
Q6: Does Kingflex products have traceability? +
Yes, we maintain raw material inspection logs, assembly run numbers, and laboratory test reports for every batch. This end-to-end traceability ensures compliance with modern quality assurance standards.
Q7: What thickness of Rubber foam insulation sheet roll can you produce? +
We produce standard thicknesses ranging from 6mm to 50mm. Specialized profiles can also be manufactured to specification for large commercial acoustic partitioning projects.
Q8: What is the service life of rubber plastic pipe and board? +
Under normal design and indoor installation parameters, the typical service life ranges from 10 to 15 years. Correct installation prevents moisture ingress and ensures long-term performance.

Automated Manufacturing Equipment

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