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. 3M™ urethane foam tape 4318 is 1/8 in THK, 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. 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 deg f (82 deg C) in the short term and 150 deg f (70 deg C) long term. The adhesion of 3M™ single-coated foam tapes is typically satisfactory within 20 min 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. Open cell foams are commonly used between component panels where a deg 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 airflow helps keeps components cool.

3M™, 7000123395, Tape, Single Coated Open Cell, Series: 4318, 36 yd Length, 1 in Width, 125 mil Thickness, Charcoal Gray, Acrylic Adhesive, Urethane Foam Backing, 25 psi Tensile Strength, 2 cu-ft/lb Foam, 302 deg F Maximum Operating, -20 deg F Minimum Operating, Specifications Met: ASTM D3574/D2240/D1667

• 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
• Compressible interior sealing applications
• Clean appearance
• Seals out moisture, dust and drafts

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