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| Test materials and methods |
The DuranateTM test results shown in this brochure were determined by the following
methods except where otherwise specifically indicated. |
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| Materials |
Polyol: Acrydic A801 (DIC Corporation)
DuranateTM/polyol ratio: NCO/OH = 1.0.
Viscosity: 15 sec in Ford Cup No. 4, following dilution by
urethane thinner. |
| Application |
Air spray. Film applicatior. Dry film thickness : 40 micrometers. |
| Drying |
Drying 20°C, 65% RH. |
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| Drying rate |
Time from coating application to freedom from indentation by 100-g
cylinder covered with 5-layer gauze and left on surface for 1 minute. |
| Gel fraction |
Ratio of coated film weight after and before immersion in acetone
for 24 hr at 20°C, following its removal from polypropylene substrate. |
| Hardness |
ASTM D3363; hardness of pencil leaving no groove in coated film
surface. |
| Adhesion |
ASTM D3359; crosscut tape with 100 squares each 1×1 mm. |
| Flexibility |
ASTM D1737 |
| Impact resistance |
ASTM D2794 |
| Water resistance |
Appearance of coated film after 24 hr in deionized water at 20°C. |
| Gasoline resistance |
Appearance of coated film after 24 hr in regular gasoline at 20°C. |
| Chemical resistance |
Appearance of coated film after 24 hr in indicated chemical at 20°C. |
| Weatherability |
ASTM G23 Method 1; Sunshine carbon arc, black panel, 63°C,
12-min water spray per 60-min cycle. |
| Stress-strain |
ASTM D2370; 50-mm interchuck gap, 50 mm/min draw
(100%/min strain). |
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| All test data and values shown in this brochure are based on typical laboratory tests by the indicated test
methods, presented for basic reference only and not as any specification or warranty, and subject to change
without notice. |
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