Series 132

ProTuff Mastic

Generic Type

Phenalkamine Epoxy Mastic

Common Usage

Series 132 is versatile, high-build, surface tolerant epoxy mastic designed for application over tightly adhered light corrosion and marginally prepared or previously coated steel, or as a primer/intermediate coat under weather-able finishes. Series 132 may be applied at low-temperatures, over dew point conditions and on damp surfaces.

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Theoretical Coverage

1,299 mil sq ft/gal (31.5 m²/L at 25 microns). See APPLICATION for coverage rates.



Number of Components

Two: Part A and Part B


Unthinned: 1.26 lbs/gal solids
Thinned 5% (No. 4 Thinner): 1.61 lbs/gal solids


Exterior: Series 72, 73, 138, 180, 1028, 1029, 1074, 1074U, 1075, 1075U, 1094, 1095, 1096. Refer to COLORS on applicable topcoat data sheets for additional information. Note: The following maximum recoat time applies when using Series 72, 73, 138, 180, 1028, 1029, 1074, 1074U, 1075, 1075U, 1094, 1095 or 1096: fourteen (14) days. If this time limit is exceeded, Series 132 must be uniformly scarified prior to topcoating.

Recommended DFT

4.0 to 18.0 mils (100 to 455 microns) in one coat. Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Contact your Tnemec representative.

Curing Time

Temperature To Handle/To Recoat Max Recoat
90°F (32°C) 3 hours 14 days
75°F (24°C) 4 hours 14 days
65°F (18°C) 7 hours 14 days
55°F (11°C) 13 hours 14 days
45°F (7°C) 20 hours 14 days
35°F (2°C) 48 hours 14 days
20°F (-6°C)† n/a 14 days

† Substrate temperature should not be below 35°F (2°C) during application. However, Series 132 will continue to cure below freezing temperatures. Curing time varies with surface temperature, air movement, humidity and film thickness.



Volume Solids

81% ± 2.0% (mixed)

Volatile Organic Compounds

Unthinned: 1.30 lbs/gal (156 g/l)
Thinned 5% (No. 4 Thinner): 1.57 lbs/gal (188 g/l)

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