Series 434

Perma-Shield H2S

Generic Type

Modified Aliphatic Amine Epoxy Mortar

Common Usage

A 100% solids, hybrid epoxy mortar designed for severe wastewater immersion and fume environments. Specifically formulated to withstand high levels of hydrogen sulfide gas (H2S), sulfuric acid (H2SO4), as well as other gases common to sewer exposures. Aggregate reinforcement provides additional resistance to abrasions and impacts.

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215, 217, 218

Volatile Organic Compounds

EPA Method 24: 0.15 lbs/gallon (18 grams/litre)

Volume Solids

100% (mixed)


0.06 lbs/gal solids

Curing Time

Temperature To Topcoat To Place in Service Maximum Recoat
75°F (24°C) 8 hours 2 days 7 days
55°F (13°C) 12 hours 3 days 7 days

Note: Curing time will vary with surface temperature, air movement, humidity and film thickness. Note: If more than 7 days have elapsed between coats, the Series 434 coated surface must be mechanically abraded before topcoating.

Recommended DFT

1/8 inch or 125 mils (3,125 microns) minimum.


Concrete: Self-priming or Series 201

Number of Components

Three: Part A (Amine), Part B (Epoxy) and Part C (Aggregate)

Theoretical Coverage

1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION for coverage rates.


Series 435

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