ACOUSTIFLEX® S NBR

ACOUSTIFLEX® S NBR is a single-ingredient polyurethane (PU) material known for its burn-through resistance, flexibility, and lightweight properties. It functions as a resin in plastics and elastomers applications, providing enhanced durability and performance.

 

The information, specifications, and materials provided with this product are for general informational purposes only and are subject to change without notice. The product is provided “as is” without any warranties, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement. Users are responsible for ensuring the product is suitable for their intended application and for following all applicable safety guidelines and instructions.

The information, specifications, and materials accessible here may not reflect the most current version. Please use the Request a Document feature for the most current product documentation available.

Product End Uses: Acoustic Applications, Automotive Insulation Materials, Engine Bonnet, Sound Absorption Material, Tunnels

Chemical Family: Polyurethanes (PU)

Product Features: Cost-Effective, Excellent Burnout Properties, Flexible, Good Cooling Performance, Light Weight, Low Odor

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Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Polyurethanes (PU)
Single Ingredient
Yes

Features & Benefits

Labeling Claims
Low VOC,
Non-Phenolic
Product Features
Cost-Effective,
Excellent Burnout Properties,
Flexible,
Good Cooling Performance,
Light Weight,
Low Odor
Product Features
  • Up to a 20% raw material saving compared to the 15 kg/m² variants for lighter weight and faster processing
  • Very good sound absorption for quieter vehicles
  • Ease of thermoforming allows thicker, more complex shapes and customizable designs of component parts
  • Ratio change to tune stiffness (bonnet liner) and thermoformability (dash insulator) possible for a wider processing windov
  • No waiting time for block slicing and thermoforming to reduce processing time and storage cost
  • Developed for thermoformable semi-rigid foam with improved sound absorption and lightweighting
  • Consistent acoustics and density through the block
  • Cost efficient production, consistent batch-to-batch quality
  • Flammability characteristics - MVSS 302, UL-94VO
  • Phenolic free formulations
  • Self-support - reduced number of clips are required for faster assembly
  • Can be used for thermoformable semi-rigid foam and batch block foam for lightweight applications
  • Offers great flexibility in manufacturing
  • Available in Non-Burning Rate (NBR) and Self-Extinguishing (SE) versions
Features
  • Can be used for thermoformable semi-rigid foam and batch block foam for lightweight applications
  • Offers great flexibility in manufacturing
  • Available in Non-Burning Rate (NBR) and Self-Extinguishing (SE) versions
Product Sustainability Benefits
  • Acoustic comfort
  • Low Volatile Organic Compound (VOC) emissions
  • Low odor
  • Fast cool down and cycle time
  • Quality consistency
  • Lower production waste level
  • Low density to support lightweight design
  • Ease of thermoforming

Applications & Uses

Product End Uses
Acoustic Applications,
Automotive Insulation Materials,
Engine Bonnet,
Sound Absorption Material,
Tunnels
Markets
Automotive & Transportation
Applications
Automotive & Transportation — Automotive
Interior
Application Details

Include semi-structural components such as:

  • Engine and trunk compartments
  • Tunnel insulation
  • Outer tunnel absorber
  • Outer dash panel absorber
  • Engine hood liners

Technical Details & Test Data

Technical Details

ACOUSTIFLEX® S NBR/SE polyurethane systems can meet different customer needs.The following table provides an overview of typical properties:

FEATURES AND BENEFITS ACOUSTIFLEX® S NBR/SE 4

ACOUSTIFLEX® S NBR/SE 5
Number of system components 4

5 (water stream added)

Tunable density via separate water stream

    
Core density (kg/m³) 12-14 12-14
Tensile strength ISO 1798 (flexible) – Stress at max load 25 ± 10 35 ± 10
Tensile strength ISO 1926 (rigid) – Stress at max load 40 ± 10 50 ± 10
Elongation – ISO1926 18 ± 5 18 ± 5
Flammability – MVSS302 NBR/SE NBR/SE

Typical properties can vary depending on local circumstances and application

 

Packaging & Availability

Regional Availability
  • Global