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  • 3M™ Urethane Foam Tape 4318 Charcoal Gray, 1 in x 36 yd, 9 per case
  • 3M™ Urethane Foam Tape 4318 Charcoal Gray, 1 in x 36 yd, 9 per case

    3M ID 70006095775UPC 4891203280872
    • Charcoal gray, 0.125 in. (3 mm) soft conformable, low-density, open-cell foam design helps seal out air, dust and light when compressed
    • Excellent cushioning characteristics and high absorbency
    • Dampens sounds and absorbs vibration when used in electronic applications
    • Offers high initial quick-stick to multiple substrates
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    • Charcoal gray, 0.125 in. (3 mm) soft conformable, low-density, open-cell foam design helps seal out air, dust and light when compressed
    • Excellent cushioning characteristics and high absorbency
    • Dampens sounds and absorbs vibration when used in electronic applications
    • Offers high initial quick-stick to multiple substrates
    • Provides excellent shear strength and high temperature performance

    3M™ Urethane Foam Tape 4318 is a conformable, low-density, open-cell foam tape with a pressure sensitive acrylic adhesive on one side. This tape will adhere to a variety of substrates and can be used in numerous mounting applications to dampen sound and create a clean and durable product.

    Seals Out Moisture, Dust and Drafts
    3M™ Urethane Foam Tape 4318 is 1/8 in. thick, comprised of a soft conformable, low-density, open-cell foam with a pressure sensitive acrylic adhesive on one side. The adhesive is protected by a silicone treated paper liner. It offers excellent cushioning characteristics while providing high absorbency to seal out moisture, dust and drafts. It can perform under a wide range of temperatures. Special note: Extra care should be taken when handling to avoid damaging tape.

    Recommended Applications


    Cushion and dampen sound in electronics such as printers, keyboards, computers, aircraft lights and automotive dashboards
    Register covers
    Recessed lighting
    Door, window and cabinet seals


    Excellent Shear Holding Strength with 3M™ Adhesive 430
    3M™ Urethane Foam Tape 4318 features 3M™ Adhesive 430. This pressure sensitive, modified acrylic adhesive provides high initial quick-stick to a variety of surfaces and substrates. It has an excellent chemical resistant and shear holding strength, even at elevated temperatures. Adhesive 430 is designed to perform at temperatures up to 180°F (82°C) in the short term and 150°F (70°C) long term. 

    Protect Sensitive Components
    The adhesion of 3M™ Single-Coated Foam Tapes is typically satisfactory within 20 minutes and continues to build with additional time. The adhesive is protected by a thick, silicone treated paper liner and has a firm, high-density foam. This design offers an attractive and clean appearance after application. 

    What is Open Cell Foam?
    Open cell foams are commonly used between component panels where a degree of separation is needed to dampen or prevent vibration, as a thermal insulation barrier and to protect against contamination, but where a measure of airflow is still necessary, such as with electronic components where air flow helps keeps components cool.