Checking Bond Strength of Foam Tapes

Checking Bond Strength of Foam Tapes

Foam tapes are utilized for a huge measure of various sorts of holding and fixing applications. Instances of Foam tape utilizes incorporate different applications in the car business, for example, holding plastic images onto metal substrates, fixing windows, entryways, sun rooftops, and trunks/hatches. Foam tapes are additionally utilized widely in the HVAC and development ventures for different applications.

A typical use for Foam tape is to utilize it as gasketing tape. Glue covered Foam tapes are compressible sealants that quit for the day territory between two coordinated machine parts or around pipe joints to keep the getaway of a gas, liquid, air, or sound. A few regions of utilization incorporate electrical walled in areas, shed entryways, and carport entryways. Foam tapes are an elective sealant to elastic Foams or pumpable sealants/caulk.
PSTC and ASTM glue test techniques are useful in the assessment and testing of glue tapes. The measures help to recognize glue execution properties, including bond, elasticity, and shear and lengthening. The norms are additionally instrumental in deciding different applications, for example, in electrical, protection, fixing.
You may also go through our Article on - Testing Peel Adhesion of Pressure Sensitive labels in which more applications has been discussed related to Bond strength testing.
Attachment is the quality of the bond between a tape and the application surface. To gauge bond, tape is connected to a hardened steel board. The tape is then expelled. The power required to expel (or strip) the tape decides its attachment level. The power is estimated in ounces per one inch of tape. Strip bond can be tried with a Peel Adhesion Tester by two strategies. The 90-degree strip strategy or pulling the tape oppositely to itself is the best estimation of strip bond of assorted substrates. This is commonly utilized for attaching tapes. The 180-degree strip technique (PSTC 3 and PSTC 1) or pulling the tape back onto itself is regularly used to gauge the attachment of veiling and bundling tapes.
Strip grip is anything but an ideal relationship to the quality of the glue bond. Why? Since the test estimates the underlying bond, and numerous tapes have cements that fabricate bond quality after some time. Additionally, the test uses tempered steel as the surface for which the tape is connected. Ordinarily, tape isn't connected to treated steel, all things considered, and applications. In any case, the test is a decent marker of relative attachment quality starting with one tape then onto the next.

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