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Questions and Answers
What is adhesive bonding?
What is adhesive bonding?
The process of joining two surfaces together using adhesives instead of fasteners.
Which of the following are types of adhesives used in plastic bonding?
Which of the following are types of adhesives used in plastic bonding?
- One-component adhesive (correct)
- Four-component adhesive
- Two-component adhesive (correct)
- Three-component adhesive
What is a one-component epoxy adhesive?
What is a one-component epoxy adhesive?
A type of adhesive that combines resin and hardener into one package and cures through a chemical reaction.
What is the first step in repairing plastic cracks with two-component adhesive?
What is the first step in repairing plastic cracks with two-component adhesive?
What should be worn for safety during body repair work?
What should be worn for safety during body repair work?
Plastic welding can be performed on thermoplastic components only.
Plastic welding can be performed on thermoplastic components only.
What are the steps involved in welding a crack in plastic?
What are the steps involved in welding a crack in plastic?
The welding rod must be made of the same __________ as the component being repaired.
The welding rod must be made of the same __________ as the component being repaired.
What is the recommended product finding source for adhesive?
What is the recommended product finding source for adhesive?
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Study Notes
Plastic Bonding
- Plastic bonding uses adhesives to join plastic substrates.
- One-component adhesive and two-component adhesives are used.
- One-component adhesive combines resin and hardener in one package.
- One-component adhesive cures through a chemical reaction triggered by heat or moisture.
- Two-component adhesive requires mixing and applying pressure to cure.
Repairing Plastic Cracks with Two-Component Adhesive
- Steps include: choosing adhesive, cleaning, grinding a "V", mixing adhesive, applying filler, sanding and contouring, and painting.
Safety for Body Repair Work Shop
- Wear personal protective equipment like eyewear, gloves, hearing protection, and respiratory protection.
- Keep work area clean and free from oils or grease.
- Do not use tools without protective masks.
Plastic Welding
- Can only be performed on thermoplastic components.
- Uses welding rod made of the same thermoplastic as the component.
Welding a Crack in Plastic
- Preparatory work, plastic welding, and creating a paintable surface are steps.
Identifying Plastic
- Plastic welding uses heat and pressure.
- Plastic parts and welding rod are heated to a doughy state and pressed together.
Tools for Plastic Welding
- "Rion" plastic welder is self-contained.
- "Maron" plastic welder requires an air source.
- Both welders have electronic temperature control.
Creating a Paintable Surface
- Grind the front side with a flap disc at a slow speed, grit P 120.
- Finish with grit P 320, and clean with a plastic cleaner.
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