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Silver Solder Technique
for Attachment of Leads to Strain Gages

Bonding

M-Bond 600 or 610 is the strain gage adhesive generally recommended for high operating temperatures. An insulating layer, sufficient to prevent contact of any bare leads with the specimen surface, must be bonded to the specimen adjacent to the strain gage. This layer is ordinarily bonded at the same time as the strain gage, using the same techniques. Bonding instructions are detailed in M-M Instruction Bulletin B-130, M-Bond 43-B, 600 and 610 Installations .

Fiberglass cloth (untreated), tissue glass, or a layer of Kapton film are commonly used surface insulators. To provide an optimum bond, both sides of Kapton film must be lightly abraded to remove the glossy surface.



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