| Nome |
Descrizione |
| accumulator |
device installed in a coil coating line to store metal strip in process and decouple entry, exit and process sections |
| adhesion |
adherence of a paint coating to a metal substrate |
| backing coat |
paint coat applied to the reverse side of a prepainted metal product, usually of lower specification than the main decorative coat |
| BAT |
Best Available Techniques - as required for IPPC compliance |
| binder |
polymer which forms the basis of a paint system - also known as resin |
| chemcoater |
a small-scale roller coater used to apply a conversion coating |
| cladding |
products used for decorative purposes on the outside of walls, can be either structural or purely decorative |
| coil |
a coiled strip of metal, either before or after coating, of a constant width and gauge |
| coil coating |
a process for coating a continuous strip of flat metal |
| conversion coating |
a chemical coating applied to metal strip to facilitate the adhesion of paint |
| corrosion |
process by which a metal degrades through oxidation |
| curing |
process of converting a wet paint film into a dry film, usually involving chemical change and polymer cross-linking |
| DFT |
dry film thickness - thickness of a paint film once fully dried and cured |
| domestic appliance |
electrical goods such as refridgerators, washing machines, dryers, cookers etc. |
| ecca |
The European Coil Coating Association |
| effluent |
waste water, usually contaminated with chemicals or dirt, for example from the pre-treatment section of a coil coating line |
| emboss |
texture which can be applied to thick paint coatings before they are fully cured |
| finish coat |
the top-most paint coat which gives a decorative and protective surface finish |
| Galfan |
variant of HDG with 5% aluminium, 95% zinc metallic coating |
| Galvalume |
variant of HDG with a metallic coating consisting of 55% aluminium,a small amount of silicon and the remainder zinc |
| gauge |
thickness of a metal substrate |
| HDG |
hot dip galvanised steel - a zinc coating is applied by dipping in a bath of molten zinc |
| IPPC |
Integrated Polution Prevention and Control Directive (96/61/EC) |
| metal strip |
the continuous strip of flat metal coated in the coil coating operation |
| no-rinse |
a type of conversion coating, usually applied by roller coater or squeegee rolls, which does not require subsequent rinsing |
| pigment |
a constituent of paint which provides colour and sometimes corosion resistance |
| plastisol |
paint type based on a PVC resin |
| PMT |
peak metal temperature - the maximum temperature achieved by the metal substrate during the drying/curing process in a coil coating line |
| polyester |
resin type used as the basis for many paints used in coil coating |
| polyurethane |
resin type used as the basis for some paints used in coil coating |
| pre-treatment |
strip cleaning and application of a chemical conversion coating prior to painting on a coil coating line |
| prepainted metal |
metal coated using the coil coating process |
| pretreatment |
strip cleaning and application of a chemical conversion coating prior to painting on a coil coating line |
| primer |
paint coat, usually used under a top-coat, which gives good adhesion and corrosion resistance |
| PVC |
polyvinyl chloride - a polymer used as a base for some coil coating paints |
| PvDF |
polyvinylidene fluoride - resin used as the basis for some paints used in coil coating |
| quench |
process of quickly cooling prepainted metal upon exit from the ovens - usually using either forced air or water |
| REACH |
The Registration, Evaluation, Authorisation & Restriction of Chemicals Regulation (EC 1907/2006) |
| resin |
polymer which forms the basis of a paint system - also known as binder |
| reverse cascade |
rinsing technique used on most coil coating lines to minimise water usage |
| rheology |
flow properties of liquid paint - important to ensure a smooth paint film |
| RoHS |
The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) |
| roller coater |
device used in coil coating to apply wet paint to a moving metal strip |
| roller coating |
process of applying wet paint to a moving metal strip as used on most coil coating lines |
| roofing |
products used for the weatherproofing of building roofs |
| substrate |
a metal strip used as the basis for prepainted metal |
| thermoplastic |
describes paints which do not chemically cross-link, but fuse when cured - can exhibit plastic properties at elevated temperature |
| thermoset |
describes paints which chemically cross-link when cured |
| top coat |
the top-most paint coat which gives a decorative and protective surface finish |
| transport |
describes the use of metal in cars, lorries, busses, trains, ships etc. |
| viscosity |
thickness, particularly of liquid paint - important to ensure even application in coil coating |
| VOC |
Volatile Organic Compound - solvents used in paints |
| WEEE |
Waste Electrical and Electronic Equipment Directive (2002/96/EC) |
| WFT |
wet film thickness - thickness of a paint film before drying/curing |
