Why were the temperature limits for Regular Grade Never-Seez lowered to 1800 F?
At temperatures about 1800 F the copper in Regular Grade Never-Seez vaporizes. These fumes are toxic, so special warning labels are specified by OSHA. To avoid special labeling and to reduce the risk of exposure to users (although exposure at such elevated temperatures is extremely unlikely) we decided to simply reduce the recommended temperature exposure to a safer level. The same holds true for temperature limits on Nickel Special Never Seez that were lowered from 2600 F to 2400 F.
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