Finishes (Metal)

Question 1

Anodising

Answer 1

A coat with a protective oxide layer
Increases thickness of material
It hardens and colours the material
Carabiners, TVs and clocks

Question 2

Anodising conditions

Answer 2

Needs to have a smooth surface

Question 3

Powder coating

Answer 3

Electrostatic charge of paint on material
Dry powder
Cured in an oven at 400°C
One thick, dense coat

Question 4

Powder coating conditions

Answer 4

Material needs thorough cleaning
Remove dirt, oil, grease and grime
Stripped with sand blaster

Question 5

Dip coating

Answer 5

Coated in plastic
Long-term corrosion, impact, chemical and UV resistance
Durable
Longer immersion time gives a greater polymer thickness
Hand tools, toys and electrical equipment

Question 6

Dip coating conditions

Answer 6

Clean material

Question 7

Galvanisation

Answer 7

Used on steel
Thick, robust layer of zinc iron alloys
Easy to clean, hygenic, durable and economicly sustainable
Metal buckets, corrugated roofing and construction materials

Question 8

Galvanization conditions

Answer 8

Cleaned in a degreasing bath, pickling acid and flux bath

Question 9

Painting

Answer 9

Prime coat, a single even layer
Leave it to cure for 24 hours
Second coat
Leave for 3 hours
Uses a charged spray gun
Leaves a clean, rust free surface