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3M™ Thinsulate™ Acoustic Insulation TC1803

3M ID B40068122
  • The highest acoustic absorption per unit weight of any 3M™ Thinsulate™ Acoustic Insulation product
  • Excellent compression and recovery make the product ideal as a cavity filler
  • Non-woven sound absorbing fibers create a quieter vehicle environment
  • Hydrophobic fibers resist moisture, mold and mildew
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Product Details
  • The highest acoustic absorption per unit weight of any 3M™ Thinsulate™ Acoustic Insulation product
  • Excellent compression and recovery make the product ideal as a cavity filler
  • Non-woven sound absorbing fibers create a quieter vehicle environment
  • Hydrophobic fibers resist moisture, mold and mildew
  • Can be converted through standard techniques such as die-cutting
  • Global portfolio, technical expertise help ensure you choose the right solution to meet your goals

Our 3M™ Thinsulate™ Acoustic Insulation TC1803 is among our lightest-weight NVH solutions for automotive sound absorption and is ideal for filling irregular spaces. With an internal PP/PE web, an overall thickness of 21 mm and a basis weight of just 185 g/m2, it features excellent compressibility and recovery. A durable, 100% polypropylene scrim reinforces the web on both sides.

Very Light Weight for Mass Reduction  Part of our TC family of cavity filling solutions for automotive OEM, 3M™ Thinsulate™ Acoustic Insulation TC1803 has one of the highest acoustic absorption-to-weight ratios of any Thinsulate product. This very low density (8.8 kg/m3) insulation is excellent as an NVH cavity filler for applications where mass reduction is a major goal. Its internal web features thick and thin fibers and is designed specifically to absorb vibration and help reduce unwanted noise from traveling throughout vehicles. Built for Lasting Noise Absorption The internal web of the product is composed of a combination of polyester (PE) and polypropylene (PP) fibers. The PP fibers are extremely fine, allowing for high-energy absorption without adding weight. The thicker PE fibers add loft, strength and stability to the web. The lightweight reinforcing white scrim on both sides is made from 100% polypropylene non-woven fabric for durability. Properties of 3M™ Thinsulate™ Acoustic Insulation TC1803 This acoustic insulation material has a caliper of 21 mm and a basis weight of just 185 g/m2. Fibers are contained in a single scrim.

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