PPG Desothane™ HS CA8200 military and defence topcoats are high solids polyurethanes used to protect the exterior of aircraft; the CA8201 series are the gloss colours. They are applied over Desoprime™ epoxy primers and Koroflex™ urethane primers, offer good gloss and colour retention and excellent fluid resistance, are compatible with all current spray equipment and can be applied in a wide range of conditions. Service temperature −54 to 177 °C (−65 to 350 °F).
Specifications (CA8200 series)
- Qualified to: AIMS 04-04-036, AIMS 04-04-060, AIMS 04-04-061, DMS 2115 Type I, EMS 93123, FMC 9661-01, GC130N, GP110AEF, MIL-PRF-85285 Type I and IV, MMS-420, RMS 176 Type II
- Compatible primers: DMS 1786, MIL-DTL-53022, MIL-PRF-23377, MIL-PRF-85582, MMS-423, TT-P-2760
Mixing and Application
- Mix ratio by volume for gloss colours: CA8201 base 1 : CA8000D activator 1; no induction time
- Pot life (CA82X1): 4 hours at 13–21 °C and 22–28 °C, 3 hours above 29 °C
- Apply at 15–30 °C and 20–90% RH in two coats to a total wet film of 75–100 µm; recommended dry film 50–100 µm; theoretical coverage 20 m²/L at 25 µm
- Gloss above 90 GU at 60°
Drying Times (CA82X1, 22–28 °C)
- Between coats 45–60 minutes; dry to tape 5–7 hours; dry hard 12 hours; dry to fly 48 hours
- Accelerated dry hard: 1 hour flash-off at 24 °C + 4 hours at 49 °C; cure rate is not affected by humidity
Storage
- Mixed VOC 420 g/L; 12 months from date of manufacture in original unopened containers; 5–35 °C
No Specifications