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Chapter 13 Repairing Plastics
Terms in this set (18)
can be repeatedly softened and reshaped by heating with no change in their chemical makeup
undergo a chemical change by the action of heating a catalyst, or ultraviolet light
Sheet Molded Compounds
use fiberglass reinforced composite plastic panels
cancer causing agents
Plastic Flexibility Test
use your hands to flex bend the part and compare it to the flexibility of sample plastics
Two Part adhesive systems
consist of a base resin and hardener
is a chemical that treats the surface of plastics so the repair material will bond properly
uses heat and sometimes a plastic filler rod to join or repair plastic parts
Ultrasonic Plastic Welding
relies on high frequency vibratory energy to produce plastic bonding without melting the base material
Plastic Speed Welding
uses a specially designed tip to produce a more uniform weld at higher rate of speed
Melt Flow Plastic
is most commonly used airless welding method
Plastic Stitch-tamp Welding
is used primarily on hard plastics like ABS and nylon to insure a good base and rod mix
is a soft, flexible, thin plastic material often applied over a foam filler.
the tendency of a piece to keep or return to its original mold shape.
often provide a durable plastic skin over a steel unibody.
is bonded to the back of the repair area to restore the reinforced plastic's strength.
Mill and drill pads
are used to help the factory hold panels in place while the adhesive cures.
a curved body repair part made by applying plastic repair material over a part and then removing the cured material.
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