Characteristics of polyurethane foam strips
Foam tape can be used for sealing electronic equipment, play adhesive, sealing, flame retardant and waterproof effect, so many rubber products custom manufacturers in the production of electrical appliances use this foam tape, and sometimes will be used for the sealing of electronic components. In theory, polyurethane foam rubber strip can play a sealing, waterproof, flame retardant effect, but in practice the effect is not satisfactory, so what is the reason for the poor waterproof effect of foam rubber strip?
