Series 138
ProTuff
Generic Type
Phenalkamide Epoxy Finish
Common Usage
A high-build, surface tolerant epoxy mastic that can be applied over light corrosion and marginally prepared steel, in low-temperatures and over dew point conditions. Series 138 stands up to the harsh atmospheric environments found in industrial facilities. Its unique phenalkamide epoxy technology resists color shift, making it an ideal finish coat for severe conditions.
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Volume Solids
79.0 ± 2.0%
Finish
Semi-gloss
Number of Components
Two: Part A and Part B
HAPS
Unthinned: 1.60 lbs/gal solids
Thinned 5% (No. 2 Thinner): 2.05 lbs/gal solids
Theoretical Coverage
1267 mil sq ft/gal (31.1 m²/L at 25 microns). See APPLICATION for coverage rates.
Recommended DFT
4.0 to 10.0 mils (100 to 255 microns)
Volatile Organic Compounds
Unthinned: 1.46 lbs/gal (175 grams/litre)
Thinned 5% (No. 2 Thinner): 1.73 lbs/gal (208 grams/litre)
Primers
Self-priming or Series 132, 133. Note: Excessive humidity or condensation on the coated surface may cause discoloration or surface haze. If any surface haze or blush occurs, it must be removed with an isopropyl alcohol (IPA) wipe before recoating.
Topcoats
Series 66, 115, 138, 1094, 1095, 1096. Note: The following maximum recoat times apply: Series 66, 115, 138, twenty-one (21) days; Series 1094, 1095, 1096; unlimited. If this time limit is exceeded, Series 138 must be uniformly scarified prior to topcoating.
Curing Time
| Temperature | To Handle/To Recoat | Max Recoat |
|---|---|---|
| 90°F (32°C) | 4 hours | 21 days |
| 75°F (24°C) | 12 hours | 21 days |
| 65°F (18°C) | 16 hours | 21 days |
| 55°F (11°C) | 24 hours | 21 days |
| 45°F (7°C) | 48 hours | 21 days |
| 35°F (2°C) | 72 hours | 21 days |
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