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PRODUCT INSTRUCTIONS
Preparation
Hi-Temp Lab-metal must be stirred thoroughly before use. No additive is needed; the repair compound hardens upon exposure to air. Hi-Temp Lab-metal is a viscous but easily spreadable paste. Upon opening the can, if the Hi-Temp Lab-metal appears stiff, stir in a capful or two of Lab-solvent to restore the product to its appropriate consistency. For any application, the surface must be clean and dry; free of paint, oil, dirt, and any extraneous materials. Roughening the surface provides superior adhesion. Hi-Temp Lab-metal's shelf life is one year in factory-sealed cans. Store in a cool place. See MSDS for safe handling.
Application
Hi-Temp Lab-metal may be applied with a putty knife, spatula, trowel, caulking gun, or rubber squeegee. When filling deep holes or cavities, the putty should be applied in thin layers, less than 1/4" thick. Allow each layer to dry for at least 24 hours.
Dry time may be accelerated with
force curing, infrared lamps. This depends on air temp, and type of metal.
Drying Time
Depth of application determines drying time; hardening occurs as the diluent evaporates. The application must air dry for at least 24 hours, or until the product has hardened to a metal state.
In order for Hi-Temp Lab-metal to completly harden after a 24 hour air dry time, it must be exposed to a minimum temperature of 425ºF for a period of at least one hour depending on thickness of application. (The curing process may be achieved by a more gradual "heat-up", as in the repair of an industrial oven or exhaust. In this case, as the oven is heating, the Hi-Temp Lab-metal repair is curing.)
Brushing Hi-Temp Lab-Metal
To apply Hi-Temp Lab-metal with a paint brush, it must be thinned to paint consistency with Lab-solvent, then applied with light brush strokes; not worked over as with paint. Dipping the brush into Lab-solvent periodically will keep the bristles free and prevent clogging.
Thinning Hi-Temp Lab-Metal
Thin Hi-Temp Lab-Metal with Lab-Solvent for brush or spray applicaitons. Clean surfaces with Lab-Solvent prior to application. Keep applicator moist with Lab-Solvent to enhance spreading or shaping of Hi-Temp Lab-Metal.
Storage
Hi-Temp Lab-Metal is guaranteed for two years in factory-sealed cans. Before closing a can of Hi-Temp Lab-Metal, pour a small amount of Lab-solvent over the remaining Hi-Temp Lab-Metal and cover tightly. (This prevents exposure to air which will accelerate hardening of Hi-Temp Lab-Metal). Before the next use, thoroughly mix the solvent-blend into the Hi-Temp Lab-Metal. Store in a cool place. |
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