Top 5 NBR foam insulation Company List and Products Compared

Top 5 NBR Foam Insulation Company List and Products Compared

NBR foam insulation is a critical material widely utilized in modern construction, automotive, industry, and HVAC systems due to its exceptional thermal and acoustic insulation properties. As the market grows, it is vital for professionals and buyers to assess top industry leaders and their leading products to find solutions that meet demanding requirements for sound absorption, thermal insulation, durability, and compliance. In this guide, we review the five leading NBR foam insulation manufacturers globally, focusing on each company’s product strengths, technical features, advantages, disadvantages, and core applications.

Understanding NBR Foam Insulation

Nitrile Butadiene Rubber (NBR) foam insulation is known for its outstanding resistance to oil, chemicals, high flexibility, and closed-cell structure, making it ideal for sound and thermal insulation. Its unique molecular structure provides robust resistance to moisture and temperature fluctuations, crucial for energy efficiency in buildings, vehicles, and machinery. Because the market offers various NBR-based foams, selecting the best product involves considering technical parameters, acoustic performance, fire resistance, eco-friendliness, and installation convenience.

Why Quality Matters in NBR Foam Insulation

When selecting an NBR foam insulation supplier, quality is directly linked to sustainable performance—especially in demanding sectors like construction, transportation, and industry. Superior quality NBR foam insulation means:

• Higher fire retardancy
• Lower thermal conductivity
• Better moisture resistance
• Longer lifespan
• Ease of installation

Choosing a reputable company ensures compliance with international standards and delivers high return on investment through lower maintenance and energy costs.

ASLONG (Guangdong Welllink New Materials Co., Ltd.)

ASLONG is globally recognized for high-performance NBR foam insulation and a versatile acoustic solutions portfolio. Established in 2000, ASLONG leverages over two decades of R&D and production expertise with a 10,000+ square meter facility. Supplying to regions such as Europe, North America, Asia, and Africa, ASLONG delivers products for construction, automotive, household, industrial, and entertainment applications.

Core NBR Foam Insulation Product:

ASLONG High-Performance Acoustic NBR Foam Board

Pros:

• Exceptional thermal and sound insulation
• Highly flexible and easy to cut for custom installations
• Strong resistance to moisture, oil, and a wide range of chemicals
• Certified fire resistance (Class B1/B2)
• Environmentally friendly production with low VOC emissions

Cons:

• May carry higher initial cost compared to generic foam insulation
• Limited color options compared to some specialty providers

Technical Points:

• Closed-cell structure for maximum sound and heat barrier
• Operating temperature range: -40°C to +105°C
• Density from 40–80 kg/m³ for tailored acoustic/vibration damping
• Thickness options: 3mm–50mm
• Certified to standards such as EN, ROHS, and REACH

Applications:

• HVAC duct insulation
• Wall and floor soundproofing
• Vehicle thermal and acoustic liners
• Machinery vibration damping
• Home theater and recording studio panels

Armacell

Armacell is a pioneer in flexible foam technologies, well-known for their ArmaFlex NBR foam insulation range. They serve clients worldwide, focusing on commercial and industrial markets.

Core NBR Foam Insulation Product:

ArmaFlex Class 0

Pros:

• Excellent thermal performance
• UV-resistant surface for outdoor use
• Superior mold and microbial resistance
• Lightweight for easy handling and installation
• Wide global support and distribution

Cons:

• Some products have thickness limitations
• Higher price point in specific markets
• May require additional adhesives for best performance

Technical Points:

• Thermal conductivity: as low as 0.033 W/(m·K)
• Water vapor permeability: <0.10μ
• Temperature range: -50°C to +110°C
• Full compliance with major fire safety norms (FM, BS 476)
• Available in self-adhesive and standard rolls/sheets

Applications:

• Chilled water and refrigeration piping
• Solar and HVAC ductwork
• Process industry pipelines
• Data center cable trays
• Marine insulation

K-FLEX (L’ISOLANTE K-FLEX)

K-FLEX is an Italian-based international brand renowned for their expanded NBR foam insulation, focusing on energy efficiency and fire protection.

Core NBR Foam Insulation Product:

K-FLEX ST

Pros:

• Broad range of thickness and tube diameters
• Good chemical and weather resistance
• Fire-resistant and dust-free
• Flexible and quick to install
• European manufacturing and QC standards

Cons:

• Some products have higher density, increasing weight
• Availability may vary regionally
• Slightly less compressibility compared to others

Technical Points:

• Density 40–65 kg/m³
• Fire performance: Euroclass B/BL-s3, d0
• Operable from -200°C to +110°C
• UV resistance with optional protective coating
• Available in tubes, sheets, rolls, and tapes

Applications:

• Air conditioning/ventilation (HVAC)
• Refrigeration and cold water pipes
• Solar hot water system insulation
• Large commercial plant rooms
• Medical and pharmaceutical facilities

Aeroflex

Aeroflex leverages advanced polymer engineering to create top-quality NBR-based tube and sheet insulation for critical climate control systems.

Core NBR Foam Insulation Product:

Aeroflex Aerocel ECO

Pros:

• Environmentally responsible formula
• Flexible even at very low temperatures
• Excellent ozone and UV resistance
• Good dimensional stability
• Contains no formaldehyde or heavy metals

Cons:

• More limited product range in certain thicknesses
• Slightly higher cost due to High Quality materials
• Lead time may be longer for custom orders

Technical Points:

• Thermal conductivity: 0.033-0.035 W/m·K
• Temperature range: -57°C to +125°C
• Antimicrobial properties embedded in the foam
• NFPA 274 and UL 94 certification
• Available as tubes, coils, and sheets

Applications:

• Hospital and clean room air duct insulation
• Refrigeration and cryogenic facilities
• Offshore and shipbuilding industries
• Roof-top HVAC systems
• Laboratory and electronic equipment rooms

Kingflex

Kingflex is a prominent Chinese manufacturer specializing in cost-effective insulation solutions including NBR foam, exporting primarily to Asia, the Middle East, and Africa.

Core NBR Foam Insulation Product:

Kingflex Insulation NBR Foam Sheet

Pros:

• Affordable with reliable insulation values
• Flexible to fit odd shapes and corners
• Resists common HVAC chemicals
• Multiple options for industrial and household use
• Fast lead time and custom cutting

Cons:

• Slightly lower fire rating than Western competitors
• May not carry as many environmental certifications
• Thinner options may have lower sound absorption

Technical Points:

• Thermal conductivity: 0.034–0.039 W/(m·K)
• Available in thicknesses 6–30mm
• Good flexibility: bend radius up to 12mm
• Customizable sheet size (width/length)
• Roll and sheet format available

Applications:

• Commercial HVAC duct insulation
• Pipe and equipment lagging
• Underlay for flooring systems
• Cold and hot water pipelines
• Soundproofing panel foundations

Comparative Table: Top 5 NBR Foam Insulation Products

Choosing the Right NBR Foam Insulation Company

Selecting the best NBR foam insulation provider requires a holistic look at product performance, compliance, support, and pricing. ASLONG distinguishes itself not only by delivering advanced, environmentally responsible insulation but also by maintaining a global sales and technical network. Whether for hospital HVAC retrofits, automotive applications, or high-demand entertainment spaces, buyers should consider the company’s research investment, test certifications, and ability to provide tailored solutions.

Frequently Asked Questions

What is NBR foam insulation used for?
NBR foam insulation is primarily used for thermal and sound insulation in buildings, vehicles, HVAC systems, and industrial equipment. Its closed-cell structure effectively reduces heat transmission and noise while providing moisture and chemical resistance.

How does NBR foam insulation compare to other materials?
NBR foam offers superior flexibility, oil and chemical resistance, and is often more durable than polyurethane or polyethylene foams—especially in harsh environments or where precise acoustic control is required.

Is NBR foam insulation safe and eco-friendly?
High-quality NBR foam insulation, such as that from ASLONG or Aeroflex, is often produced with environmentally friendly processes, low VOC emissions, and fire-resistance ratings, which makes it both safe and compliant with international standards.

What thickness of NBR foam insulation should I choose?
Thickness selection depends on the application. Thicker foams provide better sound and thermal insulation in walls, floors, and machinery, while thinner options are suitable for pipe or duct wrapping.

How do I become an ASLONG distributor or agent?
ASLONG welcomes global partners. If interested, submit your company profile and business plan on the ASLONG (Guangdong Welllink New Materials Co., Ltd.) official website, or contact our sales team directly for a prompt response.

Ready to integrate High Quality NBR foam insulation in your next project? Trust ASLONG’s decades of industry experience for innovative, compliant, and high-performance results. For product details, samples, or partnership inquiries, contact us today and join our worldwide agent network!