3.5 Finishes continued.2 Flashcards
1
Q
What is oil coating
A
Wood is coated with oil to enhance the grain and improve all types of resistance
2
Q
What is the disadvantage of oil coating
A
not very hard wearing
3
Q
What is galvanisation
A
dipping product into molten zinc at 460 degrees
4
Q
What uses is galvanisation for
A
beams and gates for animal pens
5
Q
What is cathodic protection
A
anode protects cathode from being destroyed
6
Q
When is cathodic protection used
A
underground or underwater
7
Q
What is the issue of cathodic protection
A
products need frequent monitoring for corrosion
