Hot Contact Resistance Tester For Testing Lab Description and Specifications for Lab Tenders
Hot Contact Resistance Tester For Testing Lab Workshop.
Hot Contact Resistance Tester - For Testing Lab
The resistance of the surface finish and color of leather to action of
heating such as may occur when shoes are flamed, hot blasted, ironed, or
subjected to other shoe making operations involving contact with hot
tools, machine parts, air and gases, is determined by pressing a piece
of finished leather under a copper bit maintained at different elevated
temperatures for a period of five seconds under a specified load and
evaluating the change in color produced with the help standard grey
scale for change in color.
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