A reliable means of identifying an unknown plastic is to make a weld rod adhesion test or a trial-and-error weld on a hidden or damaged area of the part.
Correct Answer:
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Q1: Adhesives are usually used for repairing minor
Q3: When welding plastic, the welding rod must
Q4: _ are shaped to tack weld broken
Q5: Handheld ultrasonic welding systems are available in
Q6: On long tears where backup is difficult,
Q7: Airless plastic welding is almost obsolete now
Q8: _ are blends of different plastics and
Q9: A _ is perfect for holding broken
Q10: All plastics can be welded.
Q11: _ uses heat and sometimes a plastic
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