Top Coatings A Flashcards
Chemicals in finishing materials are dangerous in what three forms?
Dust
Liquid
Vapour
You can use these instead of a sealer coat
Self sealing lacquer
Two drawbacks of using a wax coat
Not durable
Time consuming
What oil contains nuts?
Tung oil
Types of built up top coats
wax
shellac
Evaporative finish types
Natural varnish
Nitrocellulose Lacquer
water borne and water based coatings
Types of synthetic top coats
Polyurethane
Polyester
Epoxy
In what two ways are top coats potentially hazardous
Physically & chemically
What is an important preparatory step for some top coats
Application of a sealer coat
Easier to apply but least durable
Oil finishes
Top coat made from insect secretions
Shellac
Defining characteristics of nitrocellulose lacquer
thin bodied, fast drying, forms a hard amber coloured coating
Where did synthetic top coats come from and how do they differ from traditional ones?
Developed by the petrochemical industry
The use manufactured resins and solvents
