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?

In fact, polyurethane foam adhesive tape is a good waterproof, sealing effect, if the actual operation, the operator is inexperienced, or operating technology is not standardized, at this time will lead to polyurethane foam adhesive tape in the curing can not have a good waterproof effect, or the waterproof effect is relatively poor. In addition, in the actual operation, if the bonding surface is not clean, will also lead to poor curing effect, can not achieve the expected waterproof effect, but also reduce the service life.

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