posted on October 13, 2014 06:57
Lab-metal and Hi-Temp Lab-metal are used to patch, smooth, repair and
seal items that need to be powder coated.
- Lab-metal will air dry in a few hours depending on air temperature,
metal surface thickness and thickness of application/repair. Apply Lab-metal
@ no thicker than 3/8 inch at a time. For powder coating processes in which
the metal parts will NEVER be subject to temperatures higher than 425ºF, for
durations NO LONGER THAN 20 minutes, for NO MORE THAN one oven pass,
Lab-metal may be used.
- Hi-Temp Lab-metal MUST be used if a part is to be exposed to
temperatures above 425ºF for more than 20 minutes in duration (or multiple
- Hi-Temp Lab-metal MUST be used in powder coating processes running at
temperatures above 425ºF.
- Hi-Temp Lab-metal MUST be applied in thin layers (1/4 inch) and allowed
to air dry for A MINIMUM OF 24 HOURS, then heat cured. This will force any
remaining solvent out of the repair(about 400F for about 1/2 hour depending
on thickness of application). Instructions are guidelines for curing.
Alternative cure times may be appropriate depending on the size of the
PLEASE NOTE: If Hi-Temp Lab-metal is not completely dry when
subject to heat, and if the product is not properly heat hardened,
outgassing or bubbling is likely to occur. To speed up the drying process,
force curing of Lab-metal and Hi-Temp Lab-metal can be done only after
proper testing depending on thickness, temperature and cure time. Force
curing may lead to outgassing and poor adhesion.
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