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 on damp surfaces. The preferred selection for holding back active corrosion and as a basecoat under weatherable and epoxy finishes.

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Recommended DFT

4.0 to 8.0 mils (100 to 205 microns)





Volume Solids

76% (mixed)

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.


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

Volatile Organic Compounds

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

Theoretical Coverage

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

Number of Components

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

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