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diamond wheels Blistering
2015-09-25 by bridge
Blistering. By commodity standard hardening curve control temperature hardening of the mixing process with strict quality control; molding temperature is too high or too low, the diamond concrete to adjust the temperature. High temperature curing, curing oven temperature control. Contact agent mismatch; superhard abrasive part or the entire exterior appearance of bulging strain swell, and the resin was shiny, showing some turtle-shaped cracks. Occurred reasons:
a. heating temperature shake too fast or large, simple to make fine grain size, hardness, tight arrangements blistering and swelling of stainless steel flap disc parts. Because these commodities containing contact dose more or small pores, if the temperature is heating up too fast so imprecise handling can cause severe repercussions contact agent, the amount of volatiles surge, the internal gas pressure and body products leaving the blistering and swelling.
b. Type material mixed unevenly, linked agent pimple or more lower boiling rich solvent (such as ethanol, acetone) of the material.
c. mixing, molding process caused by negligence, so that the workpiece contact dose increased, unit weight increases, the pressure increases Advanced.


   keywords:    diamond asphalt
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