NBR Rubber Foam Sheet Blanket / Insulation Roll
Product Type: NBR Rubber Foam Sheet, NBR Rubber Foam Blanket, Elastomeric Foam Insulation Roll, Closed-Cell Rubber Foam Sheet
Standards: ASTM C534 · EN 14304 · GB/T 17794-2021 · BS 476 Part 6 & Part 7 · ASTM E84
Applications: HVAC Duct & Pipe Insulation · Chilled Water Systems · Refrigeration · Condensation Control · Acoustic Insulation
About TARCO Industry — Your Trusted NBR Rubber Foam Sheet Manufacturer
As a professional NBR rubber foam sheet manufacturer, TARCO Industry produces high-quality closed-cell elastomeric foam insulation sheets and rolls for HVAC and refrigeration applications.
Furthermore, our factory operates a complete production line from raw material compounding to continuous foaming, precision cutting, and final packaging.
Consequently, this ensures consistent quality, competitive factory-direct pricing, and reliable global supply.
Therefore, the company engineers its NBR rubber foam blanket products to meet the rigorous demands of condensation control, thermal insulation, and acoustic performance projects across international markets.
In addition, as a direct rubber foam factory, TARCO Industry eliminates middlemen and provides OEM/ODM services.
Moreover, we export our NBR rubber foam sheet and insulation roll products to customers in North America, Europe, Australia, New Zealand, Southeast Asia, the Middle East, and Oceania.
Consequently, we provide full compliance documentation for each order. Specifically, you can explore our Rock Wool Blanket and Glasswool Blanket for more insulation solutions.
Product Overview: NBR Rubber Foam Sheet & Blanket
NBR rubber foam sheet (also known as elastomeric foam insulation roll or closed-cell rubber foam blanket) represents a flexible insulation material manufactured from a nitrile butadiene rubber (NBR) and polyvinyl chloride (PVC) blend.
Specifically, the material is expanded into a closed-cell structure during the foaming process, creating millions of tiny independent air cells that provide excellent thermal insulation and moisture resistance.
Consequently, this structure delivers exceptional thermal insulation, condensation control, and acoustic performance for HVAC ductwork, chilled water pipes, and refrigeration systems.
TARCO Industry produces its NBR rubber foam sheet from high-quality NBR/PVC compounds, mixing the raw materials with blowing agents and other additives before expanding them into a continuous foam sheet.
During production, we precisely control the foaming process to achieve a uniform closed-cell structure with consistent density and thermal properties.
Ultimately, the product is precision-cut into sheets or rolls and can be supplied with or without self-adhesive backing for easy installation.
Key Features & Benefits of NBR Rubber Foam Sheet
Furthermore, the closed-cell structure delivers a low thermal conductivity of 0.030–0.039 W/m·K, providing excellent thermal insulation performance.
Additionally, the high water vapour diffusion resistance factor (μ ≥ 10,000) effectively prevents moisture ingress and condensation formation.
Moreover, the product achieves Class 0 and Class 1 fire ratings per BS 476 Part 6 and Part 7, meeting strict fire safety requirements.
Consequently, the NBR rubber foam sheet achieves a B-s2,d0 fire classification per EN 13501-1, contributing to building fire safety.
Therefore, the material is free of CFCs, HCFCs, and formaldehyde, making it safe for indoor air quality and environmentally responsible.
In addition, the product is lightweight, flexible, and easy to cut and install, reducing labor costs and installation time.
Furthermore, NBR rubber foam provides excellent acoustic performance, reducing noise transmission in HVAC systems and building services.
Finally, the material offers excellent resistance to ozone, UV radiation, and aging, ensuring long service life.
Technical Specifications — NBR Rubber Foam Sheet Blanket
Physical & Thermal Properties
Furthermore, the following table details the physical and thermal properties of our NBR rubber foam sheet and blanket products.
| Parameter | Unit | Value / Range | Standard |
|---|---|---|---|
| Material | — | NBR/PVC Closed-Cell Elastomeric Foam | — |
| Cell Structure | — | Closed-Cell | — |
| Density | kg/m³ | 40 – 80 (customizable) | ASTM D1667 / GB/T 6343 |
| Thickness | mm | 6 – 50 | ASTM C534 / EN 14304 |
| Width | m | 1.0 / 1.2 / 1.5 | — |
| Length | m | 8 – 30 (roll) | — |
| Thermal Conductivity (λ) at -20°C | W/m·K | 0.030 – 0.031 | ASTM C518 / EN 12667 / GB/T 10294 |
| Thermal Conductivity (λ) at 0°C | W/m·K | 0.032 – 0.033 | ASTM C518 / EN 12667 / GB/T 10294 |
| Thermal Conductivity (λ) at 40°C | W/m·K | 0.036 – 0.039 | ASTM C518 / EN 12667 / GB/T 10294 |
| Operating Temperature Range | °C | -50 to +110 | GB/T 17794 / EN 14706 / EN 14707 |
| Water Vapour Diffusion Resistance (μ) | — | ≥ 10,000 | DIN 52615 / EN 12086 / EN 13469 |
| Water Vapour Permeability | g/(m·s·Pa) | ≤ 1.92 × 10⁻¹¹ | ASTM E96 |
| Water Absorption (by Volume) | % | ≤ 10 | ASTM C209 / ASTM D1056 |
| Oxygen Index | % | ≥ 32 – 36 | GB/T 2406 / ISO 4589 |
| Smoke Density | — | ≤ 75 | GB/T 8627 |
| Compression Recovery (50%, 72h) | % | ≥ 71 | GB/T 6669 |
| Dimensional Stability (105°C, 7d) | % | ≤ 9 | GB/T 8811 |
| Ozone Resistance | — | No cracking after 200h | ASTM D1171 |
| Fungi Resistance | — | Does not support fungal growth | ASTM G21 |
| Environmental | — | CFC-Free, HCFC-Free, Formaldehyde-Free, ODP Zero, GWP Zero | — |
Fire Performance & Safety
Additionally, the following table outlines the fire performance and safety standards for NBR rubber foam sheet.
| Parameter | Result | Standard |
|---|---|---|
| Fire Rating (UK) | Class 0 / Class 1 | BS 476 Part 6 & Part 7 |
| Reaction to Fire (EU) | B-s2,d0 (Coil, Pipes, Slit) | EN 13501-1 |
| Surface Burning Characteristics | 25 / 50 (Flame Spread / Smoke Developed) | ASTM E84 / UL 723 |
| Flammability (UL) | UL 94 – HB, V-0 | UL 94 |
| FM Approval | Approved | FM 4924 |
| Self-Extinguishing | Self-extinguishing, does not drip, does not spread flames | — |
| Smoke Toxicity | Class ZA3 (Excellent) | GB/T 20285 |
International Standards Compliance for NBR Rubber Foam Sheet
TARCO Industry manufactures and tests its NBR rubber foam sheet and blanket products in accordance with the following international standards, ensuring global market compatibility and regulatory compliance.
Furthermore, you can verify these standards on the official websites of ASTM International, ISO, and Standards Australia.
USA / NORTH AMERICA ASTM C534 — Preformed Flexible Elastomeric Cellular Thermal Insulation
Furthermore, ASTM C534 represents the standard specification for preformed flexible elastomeric cellular thermal insulation in sheet and tubular form.
Additionally, this specification covers materials used on commercial or industrial systems, with Grade 1 covering operating temperatures from -183 to 104°C.
Moreover, the standard classifies materials into three grades according to operating temperature, with Type II specifically for sheet materials.
Therefore, TARCO Industry tests its NBR rubber foam sheet for thermal conductivity, water vapour permeability, water absorption, dimensional stability, fungi resistance, and surface burning characteristics per ASTM C534 requirements.
Specifically, our NBR rubber foam sheet conforms to ASTM C534 Grade 1, Type II across the full property suite.
Standard ASTM E84 — Surface Burning Characteristics of Building Materials
Specifically, ASTM E84 covers the test method for surface burning characteristics of building materials.
Moreover, TARCO Industry NBR rubber foam sheet achieves a Flame Spread Index of 25 and Smoke Developed Index of 50, meeting the 25/50-rated requirements for HVAC insulation materials.
Standard ASTM C518 — Thermal Conductivity by Means of Heat Flow Meter Apparatus
In addition, ASTM C518 covers the measurement of steady-state thermal transmission properties of insulation materials.
Furthermore, TARCO Industry uses this standard to determine the thermal conductivity of its NBR rubber foam sheet, ensuring accurate R-value declarations for global markets.
EUROPE EN 14304 — Thermal Insulation Products for Building Equipment and Industrial Installations
Furthermore, EN 14304 is the harmonized European Standard that specifies requirements for factory-made flexible elastomeric foam (FEF) thermal insulation products for building equipment and industrial installations.
Additionally, this standard covers pipe insulation, sheets, and rolls for operating temperatures up to 150°C.
Moreover, TARCO Industry NBR rubber foam sheet complies with EN 14304, with declared thermal conductivity values (λD) ranging from 0.030 to 0.039 W/m·K depending on mean temperature.
Furthermore, the product is CE-labelled, which is the visual proof that it meets the standard for flexible elastomeric foam — EN 14304.
Regarding EN 13501-1:2018 & CPR (EU) No 305/2011
Consequently, EN 13501-1 represents the European Standard for the fire classification of construction products.
Therefore, under this standard, NBR rubber foam sheet achieves B-s2,d0 fire classification for coils, pipes, and slit products.
Additionally, TARCO Industry provides full CE documentation and Declaration of Performance (DoP) for products supplied to European markets.
Standard EN 14706 & EN 14707 — Maximum Service Temperature
Additionally, EN 14706 specifies the determination of maximum service temperature for thermal insulation products, while EN 14707 specifies the determination of maximum service temperature for preformed pipe insulation.
Moreover, TARCO Industry NBR rubber foam sheet achieves a maximum service temperature of 110°C, with 85°C when fully glued to the object surface.
CHINA GB/T 17794-2021 — Flexible Elastomeric Foam Insulation for HVAC Systems
In addition, GB/T 17794-2021 represents the primary Chinese national standard covering flexible elastomeric foam insulation for HVAC systems.
Specifically, it specifies terminology and definitions, classification and marking, requirements, test methods, inspection rules, marking, packaging, transportation, and storage.
Moreover, this standard applies to NBR/PVC rubber foam sheets and rolls used in HVAC and refrigeration applications.
Therefore, TARCO Industry manufactures NBR rubber foam sheet in full compliance with GB/T 17794-2021, with density ≤ 80 kg/m³ and oxygen index ≥ 32%.
UK BS 476 Part 6 & Part 7 — Fire Tests on Building Materials and Structures
Furthermore, BS 476 Part 6 covers the method of test for fire propagation for products, while BS 476 Part 7 covers the method for classification of the surface spread of flame of products.
Additionally, TARCO Industry NBR rubber foam sheet achieves Class 0 and Class 1 fire ratings per BS 476 Part 6 and Part 7, meeting the requirements for HVAC insulation in commercial and public buildings.
Standard Sizes & Customization of NBR Rubber Foam Sheet
Furthermore, TARCO Industry offers a comprehensive range of standard sizes for NBR rubber foam sheet and insulation roll products.
Additionally, we provide custom dimensions, densities, and adhesive options upon request. The standard size chart below shows the typical thickness-width-length combinations available.
| Thickness (mm) | Thickness (inch) | Width (m) | Length (m) | Square Meters per Roll (1.0m width) |
|---|---|---|---|---|
| 6 | 1/4″ | 1.0 / 1.2 / 1.5 | 30 | 30 |
| 10 | 3/8″ | 1.0 / 1.2 / 1.5 | 20 | 20 |
| 13 | 1/2″ | 1.0 / 1.2 / 1.5 | 15 | 15 |
| 19 | 3/4″ | 1.0 / 1.2 / 1.5 | 10 | 10 |
| 25 | 1″ | 1.0 / 1.2 / 1.5 | 8 | 8 |
| 32 | 1-1/4″ | 1.0 / 1.2 / 1.5 | 6 | 6 |
| 40 | 1-1/2″ | 1.0 / 1.2 / 1.5 | 5 | 5 |
| 50 | 2″ | 1.0 / 1.2 / 1.5 | 4 | 4 |
Available Options for NBR Rubber Foam Sheet
Furthermore, we offer various options to meet different application requirements.
Specifically, the standard option provides plain NBR rubber foam sheet without adhesive backing.
Additionally, the self-adhesive option includes a factory-applied pressure-sensitive adhesive backing for rapid installation.
Moreover, the product can be supplied with aluminum foil facing for enhanced radiant heat reflection.
Consequently, the material is available in black as standard, with custom colors available upon request.
Finally, the NBR rubber foam sheet can be laminated with other materials for specialized applications.
Applications of NBR Rubber Foam Sheet / Insulation Roll
Furthermore, this product is widely used in HVAC duct insulation for thermal efficiency and condensation control, particularly for chilled water pipes and air conditioning ducts.
Additionally, it is ideal for refrigeration systems, specifically for cold storage, refrigerated warehouses, and chillers.
Moreover, it serves chilled water systems for thermal insulation and moisture prevention in commercial and industrial buildings.
Consequently, it is utilized for acoustic insulation in HVAC systems, reducing noise transmission and improving indoor comfort.
Therefore, it is applied in plumbing and heating services for hot and cold water pipe insulation.
In addition, it is used in Marine and Offshore applications for thermal insulation of shipboard piping and equipment.
Finally, it is applied in Clean Rooms and Laboratories where condensation control and indoor air quality are critical.
Packaging & Delivery
Furthermore, our packaging utilizes polyethylene bags or cartons for efficient handling, transport, and storage.
Additionally, a 40HQ container can hold approximately 1,800 – 2,500 m² depending on thickness and density.
Moreover, the lead time is 7 – 15 days after deposit.
Consequently, the port of loading is Tianjin, Qingdao, or Shanghai, China.
Why Choose TARCO Industry as Your NBR Rubber Foam Sheet Supplier
Furthermore, TARCO Industry is a professional NBR rubber foam sheet manufacturer with full production capabilities, which means no middlemen and competitive pricing.
Additionally, our products are certified to ASTM C534, EN 14304, GB/T 17794-2021, BS 476 Part 6 & Part 7, and ASTM E84 for global market access.
Moreover, we provide OEM/ODM services for density, thickness, width, length, adhesive, and packaging.
Consequently, our production is ISO 9001-certified with batch testing and third-party inspection support.
Therefore, we serve customers in North America, Europe, Australia, New Zealand, Southeast Asia, the Middle East, and Oceania.
Finally, we offer short lead times and efficient logistics from major Chinese ports.
Frequently Asked Questions (FAQ)
What is NBR rubber foam sheet and where is it used?
Furthermore, NBR rubber foam sheet is a flexible, closed-cell insulation material made from a nitrile butadiene rubber (NBR) and PVC blend. Therefore, it is commonly used for HVAC duct insulation, chilled water pipe insulation, refrigeration, and condensation control.
What is the difference between NBR rubber foam and glass wool insulation?
Moreover, NBR rubber foam is a closed-cell elastomeric material with high water vapour resistance (μ ≥ 10,000), making it ideal for condensation control. Consequently, glass wool is an open-cell mineral fibre material that is more suitable for high-temperature thermal and acoustic insulation.
Is NBR rubber foam sheet fire resistant?
Yes. NBR rubber foam sheet achieves Class 0 and Class 1 fire ratings per BS 476 Part 6 and Part 7, and B-s2,d0 per EN 13501-1. Therefore, it is self-extinguishing, does not drip, and does not spread flames.
What is the temperature range of NBR rubber foam sheet?
Additionally, the operating temperature range of NBR rubber foam sheet is -50°C to +110°C. Moreover, the maximum service temperature is 110°C, with 85°C when the sheet is fully glued to the object surface.
Do your products comply with international standards?
Furthermore, TARCO Industry NBR rubber foam sheet complies with ASTM C534, EN 14304, GB/T 17794-2021, BS 476 Part 6 & Part 7, and ASTM E84 for global market access.
Can you provide samples before bulk order?
In addition, TARCO Industry offers free samples of NBR rubber foam sheet for quality evaluation. Please contact our sales team for sample arrangements.
