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Example viscosities of various coating materials
Spray coating
Viscosity in DIN-seconds
Primer containing solvent
25–40
Varnish containing solvent
15–40
Water-soluble primer
25–40
Water-soluble varnish
20–35
Wood preservative, paint remover, oil
Undiluted
Disinfectant, insecticide
Undiluted
Vehicle paint/lacquer
20–35
Preparation of the workpiece to be coated
• The quality of the finish will depend on how clean and smooth the surface is before
it is sprayed. Sand and fill rough or cracked surfaces if required. Remove all dust
from the work area before starting to spray, vacuum clean if possible.
• Cover all surfaces and objects that should not be sprayed with masking tape and
dust sheets or remove them from the work area.
• Cover all hinges, screw threads, etc.
Spray painting
Operating instructions
Note:
Begin by test-spraying on a piece of card to set the correct spray pattern and
feed rate before starting to spray the object to be coated.
Setting the spray pattern
The air cap can be set to one of three positions for different spray patterns.
Vertical
For large
vertical
surfaces
Horizontal
For large
horizontal
surfaces
Round
For corners and
small surfaces