Mottling
Uneven multi colour finish formed by various techniques of partially removing a top coating thus exposing the underlying colour: ground coat.
Needle Gun
Needle Gun
A hand-held gun comprising a series of needles which are operated by compressed air or electric.
Used in the preparation of steel prior to painting.
Opaque Finish
A paint that is described as opaque will give a solid colour and finish.
Blacks and whites are always opaque and any colour mixed with them will become more opaque.
An Opaque coating/finish if applied to glass will obliterate any light shining through.
OSB (Oriented strand board)
Five different qualities and standards.
- OSB/0 – No added formaldehyde
OSB- Oriented strand board - OSB/1 – General-purpose boards and boards for interior fitments (including furniture) for use in dry conditions
- OSB/2 – Load-bearing boards for use in dry conditions
- OSB/3 – Load-bearing boards for use in humid conditions
- OSB/4 – Heavy-duty load-bearing boards for use in humid condition
Osmosis
Osmosis.
Osmosis is associated where fibreglass and polyester resins have been uses.
See: Osmosis in Problem and Remedies.
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