Product introduction: 3M4991 is a foam-based double-sided adhesive in the 3M double-sided adhesive. It belongs to the VHB adhesive series (pressure sensitive adhesive series), with a thickness of 2.3MM and a gray color. It has super stickiness and UV resistance. , Good solvent resistance, softness, good conformability, high tensile force, shear strength, can be used to replace traditional fixing methods such as screws, rivets, spot welding, etc. The surface of the product is smoother and more beautiful, the operation is simpler, the sealing performance is better, the effect is more durable, and the disassembly and assembly are very convenient.