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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Overgrainer
Either a fan brush or rollers to apply fine line markings to imitate wavy lines in the wood grain
Paint Cup
Paint reservoir affixed to either the lower or top section of a spray gun or a remote pressure pot. Also Gun Cup.
Paint Research Association (PRA)
A global research laboratory organisation offering services to the coatings industry including, paint, ink, adhesives manufactures and associated manufactures of raw materials and equipment.
Painting and Decorating Association (PDA)
(PDA) Painting and Decoration Association
The premier trade and employers' association for the the painting & decorating industry in the UK
https://paintingdecoratingassociation.co.uk/