Bonded linings were first introduced in the '50s on lower priced
passenger cars and, for a given lining life, cost less to manufacture
than do riveted linings. Forty years ago there was discussion among
brake shop guys that bonded linings were not suitable for heavy-duty or
high-temperature applications. Larger passenger cars & trucks continued
with riveted linings. The other side of the coin is that it's easier to
write off a retooling cost over 200,000 vehicles than it is on 50,000
(the accountants always win.)
Bonding materials have improved. I don't give it a thought--just buy a
recognized brand and the the type of material I want.
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