R
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Resin
Polymer which forms the basis of a paint system - also known as binder
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Reverse cascade
Rinsing technique used on most coil coating lines to minimise water usage
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Rheology
Flow properties of liquid paint - important to ensure a smooth paint film
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RoHS
The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC)
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Roller coater
Device used in coil coating to apply wet paint to a moving metal strip
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Roller coating
Process of applying wet paint to a moving metal strip as used on most coil coating lines
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Roofing
Products used for the weatherproofing of building roofs
S
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Substrate
A metal strip used as the basis for prepainted metal
T
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Thermoplastic
Describes paints which do not chemically cross-link, but fuse when cured - can exhibit plastic properties at elevated temperature
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Thermoset
Describes paints which chemically cross-link when cured