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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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

Theoretical Coverage

1267 mil sq ft/gal (31.1 m²/L at 25 microns). See APPLICATION for coverage rates.

Volatile Organic Compounds

Unthinned: 1.46 lbs/gal (175 grams/litre)
Thinned 5% (No. 2 Thinner): 1.73 lbs/gal (208 grams/litre)

HAPS

Unthinned: 1.60 lbs/gal solids
Thinned 5% (No. 2 Thinner): 2.05 lbs/gal solids

Finish

Semi-gloss

Number of Components

Two: Part A and Part B

Recommended DFT

4.0 to 10.0 mils (100 to 255 microns)

Volume Solids

79.0 ± 2.0%

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; thirty (30) days. If this time limit is exceeded, Series 138 must be uniformly scarified prior to topcoating.

Primers

Self-priming or Series 90-97, 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.

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