Metals - surface treatment and finishes Flashcards
1
Q
Galvanising
A
Protective coating of zinc
added to steel or iron
prevent rust
Gates pipes, wire
2
Q
Powder coating
A
Aesthetic
Spraygun
Particles with electrostatic charge
3
Q
Plastic dip coating
A
Coating onto metal parts such as handles
Soft
4
Q
Surfaces must often be prepared before adding treatment. Why?
A
A rough surface is needed to be created by abrasive paper
Insures treatment properly adheres to the surface
Grease and dirt prevent adhesion
