Metal - Finishes Flashcards
general process for finishign metals
degreased
and
cleaned
exampel fo metal alloy that no need finishign
aluminium
why does steel need finsihign
pourrous outer layerm leadign to rust
paints for metals
celluose and acrylic pains
when woudl painst be used on emtals
when ow cost
how will painst be applied
material cleaned
degreased
primer coat
then spray or brush
what do metal paints give
colour
textured finsih
barrier against corrision
special graphic affects
what is electroplatign
involvex coating n object with thin layer of metl using electricity
what is galvansing
dip coatign with zinc
metals for electro platin
silver
gold
copper
zinc
tin
how electroplatign and galavnsign work
product and donor metla placed in cotnainer with electrolyte solution
current passed
prudtc attracts donor metal
what does electroplatign and galavansign do
protectiev layer
hardwear finish
enchance astehetics
sacrifical layer
corrisve reistance
polymer dip coating , how doen
heated emtal
dipped itno polymer powder with air flowing
product removed
powder stes
air flow helsp ste evenely
where woudl polymer dip coatign be sued
coat hangers
kicthen dish drainers
oatdoor play equip
what does dip coatign do (polymer)
protectiev barrier against corrosion
added protection
corrsive restance
what is metal dip coating
metal coated by dipping product in tank of molten metla
what does metal dip coating do
corrsion restance
when will tin platign be used
food cans
when would zinc platign be used
beams
gates
animal pens
firts layer on carb bodies
how powder coatign done
product neagtivelly charged
thermoset polymer + charge
air grun spray
charges attact
product baked
powder melts
what does powder coatign give
corrisionr etsance
aethetic appeal
when woudl pwoder catign be used
washign machien boides
fridges
gates
beenfits of pwoder coatign to painting
more hard wearing
how sealents applied
with cloth or pad
film produced
film cured
then buffed
