Series G434
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 and severe wastewater environments. Aggregate reinforcement provides additional resistance to abrasion and impact. Replaces F434.
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Surfacer/Filler/Patcher
215, 217, N218
Primers
Concrete: Self-priming or Series 61, N69, N69F, 201. Note: Series 201 must be scarified after 24 hours before topcoating with Series G434. Note: Series 61, N69, or N69F must be scarified after 7 days before topcoating with Series G434. Note: Series 61 is recommended for use in mesophilic anaerobic digesters and other severe exposures. Contact your Tnemec representatives for more information.
Topcoats
Series G435
Note: To minimize pinhole formation in the topcoat, it is recommended that the concrete substrate be fully resurfaced and/or primed prior to topcoat application.
Volume Solids
100% (mixed)
Recommended DFT
1/8 inch or 125 mils (3,125 microns) minimum.
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 G434 coated surface must be mechanically abraded before topcoating.
Volatile Organic Compounds
EPA Method 24: 0.15 lbs/gallon (18 grams/litre)
HAPS
0.06 lbs/gal solids
Theoretical Coverage
1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION for coverage rates.
Number of Components
Three: Part A (Amine), Part B (Epoxy) and Part C (Aggregate)
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