Above: The highlighted sections indicated the optimal zone for flame treating plastics. On the left is a typical propane torch flame. On the right is one with a flame spreader attachment. by Terry Monville – GBI Technical Advisor It’s no secret that bonding to plastic can be a challenge. Identifying what type of plastic you […]
Surface Prep
Explore the latest Surface Prep articles
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Q. What should I wipe the surface with before applying WEST SYSTEM Epoxy? A. Use water and paper towels. If using a solvent, like acetone, make sure to use clean, white, non-printed paper towels—not a rag. Using printed paper towels with acetone or other solvents can make the ink rub off, contaminating the newly sanded […]
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By Tom Pawlak — GBI Technical Advisor 25 years of use (some might say abuse) had taken its toll on the heavy aluminum rip fence on our Delta Rockwell 12″–14″ Tilting Arbor Saw. Deep saw kerf grooves on the face of the fence had become a hazard because wood occasionally got hung up on it when […]
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by Rob Monroe Above: 12oz fiberglass is used to patch holes in an aluminum boat. Fiberglass patches for both the inside and outside of the hull were wet out with G/Flex 650. When we started testing G/flex Epoxy as a solution to leaky seams and rivets in aluminum boats, we put out a company-wide call […]
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We have a video demonstrating aluminum boat repair: Fixing Leaking Rivets in an Aluminum Boat. We wanted to experiment with using G/flex to fix leaking aluminum boats. I was quite surprised to find that every aluminum boat owner I talked to said they had some sort of leak. Within three hours, I had several co-workers volunteer […]