403a Wood Finishing Applications Flashcards
(28 cards)
How does penetrating oil stain derive its colour?
Soluble aniline dyes
Two types of oil stains
Penetrating and pigment
How does pigment oil stain derive its colour?
Non-soluble pigments made of finely ground minerals and earths
Three main types of stain
Oil
Water
Spirit stain/ NGR
______ has a hard, clear, protective finish, with a loooooong dry time.
Natural Varnish
The most durable type of topcoat
Varnish
Topcoat with a wet look and very high durability, with a very short pot life (15-20) with will fuck up your gun if it dries inside.
Polyester
Spray gun that uses a piston or diaphragm pump to force liquid thru a small tip at very high pressure.
Airless
Spray gun that is not very well suited to fine finishing work because it spays to much with too large of particles.
Airless
Has a higher transfer efficiency than conventional spraying equipment.
Pressure atomized air assisted
What three things must you make sure are true of your surface to be sprayed?
Clean
Dry
Free of surface contaminents
A strong light held to the side can help you determine?
Any gouges/dents/scratches/ defects in your piece
Gently caressing your piece to seek out defects is called?
Tactile/Touch Inspection
Using what liquid can you find invisible marks (glue etc) on your piece before finishing?
Mineral Spirit/Thinner
Can also be used to remove grease/oils/silicone (solvent wipe)
The BEST way to remove adhesive from a piece
Scraper or chisel
You should totally use a wet cloth to wipe glue off my dude
Nah brah
Stain that looks great, comes in so many colours, doesn’t fade, doesn’t bleed, has a even tone, penetrates deep (lol) and is generally awesome except it raises grain, is difficult to apply, and is unstable?
Water Stain
Sounds so fking awesome, until it doesn’t
What should you do to your end grain to even out the final appearance to your faces?
Wash coat w/ clear stain or stain conditioner
What does bleach do homie?
Yo dawg, it removes localized stain defects, or natural pigments, or lightens the entire surface of the wood, no cap
Types of wood bleach
Oxalic Acid
Chlorine
Sodium Hydroxide
Hydrogen Peroxide
Commercial wood bleach kits are combination of?
Sodium Hydroxide and Hydrogen Peroxide
What direction should you work when applying bleach?
Bottom to top
Different woods respond differently to bleach.
Hell yeah brother
What wood bleaches almost white?
Walnut
