Test Parameter |
AAMA 2603 |
AAMA 2604 |
AAMA 2605 and ASCA 96 |
PRETREATMENT REQUIREMENTS |
Metal Preparation and Pretreatment |
Multi-stage cleaning and pretreatment |
Multi-stage cleaning and pretreatment |
Multi-stage cleaning and pretreatment |
Pretreatment Type |
Chemical conversion coating |
Chrome or non-chrome chemical conversion coating |
Amorphous chromium phosphate or amorphous chromate treatment |
Pretreatment Coating Weight |
none specified |
Chrome=30 mg/ft² minimum; non-chrome per supplier's specification |
Chrome=40 mg/ft² minimum |
PAINT FILM REQUIREMENTS |
Dry Film Thickness |
0.8 mils minimum |
1.2 mils (for multicoat, 1.0 mil topcoat minimum & 0.3 +/- 0.1 mil primer) |
1.2 mils (for multicoat, 1.0 mil topcoat minimum & 0.3 +/- 0.1 mil primer)
(None specified under ASCA 96) |
Sealant Compatibility |
meets AAMA 800 |
meets AAMA 800 |
meets AAMA 800 |
Specular Gloss |
+/- 5 units of specification (high=80+, medium=20-79, low£19) |
+/- 5 units of specification (high=80+, medium=20-79, low£19) |
+/- 5 units of specification (high=80+, medium=20-79, low£19) |
Dry Film Hardness |
H minimum |
F minimum |
F minimum |
ADHESION REQUIREMENTS |
Dry Adhesion |
0% failure (no loss) |
0% failure (no loss) |
0% failure (no loss) |
Wet Adhesion |
0% failure (no loss) |
0% failure (no loss) |
0% failure (no loss) |
Boiling Water Adhesion |
none specified |
0% failure (no loss) |
0% failure (no loss) |
Impact Resistance |
no removal of film from substrate |
no removal of film from substrate |
no removal of film from substrate |
Abrasion Resistance |
none specified |
abrasion coefficient value = 20 minimum |
abrasion coefficient value = 40 minimum |
CHEMICAL RESISTANCE REQUIREMENTS |
Muriatic Resistance |
15-minute exposure: no blistering or visual change |
15-minute exposure: no blistering or visual change |
15-minute exposure: no blistering or visual change |
Mortar Resistance |
24-hour exposure: no loss of film adhesion or visual change |
24-hour exposure: no loss of film adhesion or visual change |
24-hour exposure: no loss of film adhesion or visual change |
Nitric Acid Resistance |
none specified |
30-minute exposure: 5 Delta E (Hunter) maximum color change |
30-minute exposure: 5 Delta E (Hunter) maximum color change |
Detergent Resistance |
72-hour exposure: no loss of adhesion, no blistering, no significant visual change |
72-hour exposure: no loss of adhesion, no blistering, no significant visual change |
72-hour exposure: no loss of adhesion, no blistering, no significant visual change |
Window Cleaner Resistance |
none specified |
24-hour exposure: no blistering or appearance change |
24-hour exposure: no blistering or appearance change
(None specified under ASCA 96) |
CORROSION RESISTANCE REQUIREMENTS |
Humidity Resistance |
1,500 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714 |
3,000 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714 |
4,000 hours: no more than ``few" blisters size 8, figure no. 4, ASTM D 714 |
Salt Spray Resistance |
1,500 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field
(ASTM D 1654) |
3,000 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field
(ASTM D 1654) |
4,000 hours of salt solution: minimum rating of 7 on scribe or cut edges; minimum blister rating of 8 in the field
(ASTM D 1654) |
WEATHERING RESISTANCE REQUIREMENTS |
Accelerated Exposure |
1,000 hours in Atlas Type ``XW" weatherometer: no adhesion loss; slight chalking or color change |
none specified |
none specified |
Outdoor Exposure |
1 year South Florida, 45m south: no adhesion loss; slight chalking or fading |
5 years South Florida, 45m south: 5 Delta E (Hunter) maximum color change; chalking < 8 (ASTM
D 4214); gloss retention > 30%; erosion resistance < 10% film loss |
10 years South Florida, 45m south:
5 Delta E (Hunter) maximum color change; chalking < 8 (ASTM
D 4214), gloss retention > 50%; erosion resistance < 10% film loss |