Fibrous: materials

30 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
Is used to seal a plaster reverse mould
Answer 1
Shellac
These casting plasters are harder than any other class A plasters
Answer 2
Autolaved plasters
Plasterers grease is made from
Animal fat and paraffin
What material used for fibrous is highly flammable?
Answer 4
Shellac
Which plaster would be used when producing plaster moulds?
Fine casting
Which of the following is used to seal a plaster mould?
Shellac
Which sheet metal is used to make a profile?
Zinc
What is mixed with shellac in order to thin it?
Methylated spirits
What should be applied in light thin coats until mould is golden
Shellac
What material has a low expansion rate
Answer 10
Crystacal R plaster
What slows the setting process
Retarder
What is a chemical retarder?
Answer 12
Tri sodium citrate
Is used as a reinforcement in casts
Answer 13
Wooden laths
Should be kept In a steel locked container, due to being flammable
Shellac
What can be added to give the plaster more time before it sets?
Retarder