Cert III Refinishing Practice Questions - Certificate III In Automotive Refinishing Technology (AUR32420) Exam

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How can a technician identify if an unmarked plastic panel is a polyolefin (e.g., PP) or a non-polyolefin (e.g., ABS) using a float test?

Place a drop of solvent on the plastic; polyolefins will float or repel the solvent droplet Submerge the plastic in water; if it sinks rapidly, it is a polyolefin Heat the plastic with a hot air gun; polyolefins will float away as liquid vapor Cut a small piece of the plastic and see if it floats in water; polyolefins float because their density is less than 1.0 g/cm³

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Cut a small piece of the plastic and see if it floats in water; polyolefins float because their density is less than 1.0 g/cm³

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