Finishing Materials

Question 1

Why is finishing products important?

Answer 1

Protects items

Makes them look/feel nice

Question 2

Name a few surface coatings

Answer 2

Anodising
Galvanising
Varnish
Oil 
Wax
Plastic/powder coating
Paint

Question 3

What is anodising and what is it used for?

Answer 3

Aesthetics

Electrical processes of giving aluminium a decorative coating

Question 4

What is galvanising and what is it used for?

Answer 4

Protection

Mild steel dipped into molten zinc
Protects against erosion and corrosion/rust
Used for gates

Question 5

What is varnish/oil/wax used for and is it?

Answer 5

Protection

Helps against weather
Enhances a product, makes it look better
Used on wood such a garden benches

Question 6

What is plastic coating and what is it used for?

Answer 6

Protection and aesthetics

Mild steel is heated then dipped into polythene powder
Used for grips on tools and plate racks

Question 7

What is powder coating and what is it used for?

Answer 7

Protection and aesthetics

Electrically charged plastic powder sticks to the metal
Metal placed in a kiln so that the plastic cures and sticks to the metal
Used for bike frames

Question 8

What is paint and what is it used for?

Answer 8

Protection and aesthetics

Hammering paint on gates
Car body sprayed with cellulose based paint

Question 9

What is self finishing?

Answer 9

No finish needs to be applied for example:
Acrylic
Stainless steel