Series 133

ProTuff Aluminum

Generic Type

Phenalkamide Aluminum Epoxy Mastic

Common Usage

A high-build, aluminum-filled surface tolerant epoxy mastic designed for application over tightly adhered corrosion, marginally prepared steel, and old coatings. Series 133 may be applied at low-temperatures and over dew point conditions and on damp surfaces. The preferred selection for holding back active corrosion and as a basecoat under weather-able and epoxy finishes.

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Recommended DFT

4.0 to 8.0 mils (100 to 205 microns)



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


Series 66, 115, 138, 1094, 1095, 1096. Note: The following maximum recoat time apply: Series 66; one (1) day, Series 138; twenty one (21) days, Series 115, 1094, 1095 or 1096; thirty (30) days. If this time limit is exceeded, Series 133 must be uniformly scarified prior to topcoating.

Volume Solids

76% (mixed)

Theoretical Coverage

1220 mil sq ft/gal (29.9 m²/L at 25 microns). See APPLICATION for coverage rates.



Volatile Organic Compounds

Unthinned: 1.63 lbs/gal (195 grams/litre)
Thinned 5% (No. 2 Thinner): 1.89 lbs/gal (227 grams/litre)

Number of Components

Two: Part A (Epoxy) and Part B (Amine)


Unthinned: 1.49 lbs/gal solids
Thinned 5% (No. 2 Thinner): 1.96 lbs/gal solids

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