Polyester Powder
Coatings
Polyester
powder coating is recommended for general exterior
situations, where good weathering resistance
is required. A specialised grade is available
for architectural applications.
Properties
| Mandrel
bend |
BS3900
E1 |
Pass
2mm |
| Cross hatch adhesion |
BS3900 E6 |
No loss of adhesion |
| Impact resistance |
ASTM
D2794 |
Pass
100 in/Ib |
| Scratch test |
BS3900 E2 |
Pass 4kg |
| Taber abrasion resistance |
|
Excellent |
| Erichsen pencil hardness |
|
H-3H depending on formulation type |
| Erichsen
Indentation |
|
7-9.5mm
depending on formula type |
| Salt fog resistance |
ASTM B117 (500 hours) |
Maximum 2mm creep
|
| Humidity resistance |
BS3900 F2 (500 hours)
|
No blistering |
| Exterior exposure (12 months) |
|
Good colour and gloss retention |
| Good colour stability
up to 130°C,
or intermittent exposure up to 140°C, depending
on formula type |
Typical
Uses:
- Automobile
and Cycle Components
- Garden Furniture
- Lighting Fixtures and Fittings
Automotive
Matt Black A range of matt black polyester powders specially
formulated to meet the rigorous performance requirements
of the automotive industry are available. Typical
applications include exterior trim roof bars and
windscreen wipers etc. The range includes standard,
semi and full durability products, and TGIC & TGIC
free systems. Approvals to numerous automotive
specifications are held, details on request.
Hammer
Finish Suitable for exterior use, this
tough coating offers an attractive patterned
finish capable of disguising substrate imperfections.
|
