How to Weld Through Dry Film Lubricants
Dry film lubricants, comprised of a combination of polymers, films and binders, are a useful means of welding without the use of heat or a welding tool. Dry film lubricants make it possible to create a "self-weld," also known as a cold-weld, between two materials by creating a slip-resistant affinity between the materials. Dry film lubricants save the time, energy and money that are required for more traditional welding processes.
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Instructions
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Determine the proper kind of dry film lubricant for your welding project. If you are welding highly porous metals, it makes sense to use a lubricant with a high percentage of resins, since resins adhere to each other and will embed themselves in surface pores on the metal. If welding plastics, a lubricant based more heavily in polymers will be of use.
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Cover one of the surfaces thoroughly with the dry film lubricant. In general, the lubricant will come either in the form of a powder or a spray. Observe all necessary safety precautions: Wear goggles, a mask and gloves to avoid intake of lubricant.
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Place the two surfaces next to each other, and use a clamp to attach them to facilitate bonding between the two surfaces. Leave the two surfaces clamped for the amount of time recommended by the lubricant manufacturer, which can range from two to 24 hours.
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