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Safety Step Yor Official Sure Step Nova Scotia Distributor
an authorised dealer for No Skidding® Products, Inc. Toronto, Canada
EPO TUFF AU-73 Heavy Duty High Solids Aliphatic Urethane
  • Unique, high-solids, high-build, multifunctional coating
  • Low VOC
  • High-gloss, self-priming coating
  • Excellent gloss retention
  • Direct to metal and concrete in selected environments
  • Outstanding abrasion, reverse and direct impact resistance
  • Good chemical and stain resistance
  • Tough and flexible coating
AU-73 displays high gloss and excellent color and gloss retention during extended service periods. The direct-to-metal capabilities of AU-73 provide a one-coat system at reduced installation cost for use in protected environments. Compatible over prepared, smooth cold-rolled steel and abrasive blasted hot-rolled steel.

AU-73 has excellent adhesion to concrete providing a durable, glossy, easy-to-clean flooring system. May be used over ES-83 as a durable, weather-resistant topcoat for extra heavy duty service; over intact, old paint as a maintenance product.

AU-73 curing time may be adjusted with Accelerator for convenient application at low temperatures or when faster cure is required. A full color range is available.


Typical Uses
  • Steel catwalks, ramps
  • Industrial plants
  • Transportation (Vehicle Equipment - Buses, Trucks, Lifts)
  • Marine Decks

Physical Data
Finish: Gloss
Color: See color chart. 
Components: 2
Curing mechanism: Solvent release and chemical reaction
Volume solids (ASTM D2697 modified): 73% 3%
Dry film thickness per coat: 5 mils (125 microns)
Coats: 1


Theoretical coverage
   l mil (25 microns): 1171 ft2/gal or 29 m2/L
   5 mils (125 microns): 234 ft2/gal or 5.7 m2/L

VOC
   mixed: 2.2 lb/gal or 264 g/L

Temperature resistance (dry)
   continuous: 200F or 93C
   intermittent: 250F or 121C

Flash point (SETA)
   cure: 122F or 50C
   resin: 110F or 43C
   mixed: 115F or 46C

Qualifications
USDA - Incidental food contact (Tint and custom colors)
NFPA - Class A


Typical Properties Physical
Impact resistance (ASTM D2794) @ 5 mils
   direct: 140 in lbs   15.8 Nm
   reverse: 150 inlbs   15.6 Nm
   Taber abrasion
      1 kg load/1000 cycles: weight loss
      CS-17 wheel: 60.2 mg
   Elongation (ASTM D522): >32%

Chemical Resistance Guide
Environment
 
Acidic
Alkaline
Salt solutions
     Acidic
     Neutral
     Alkaline
Seawater
Fresh water
Solvents
Petroleum products
Splash &
Spillage

E
E

E
E
E
E
E
G
E
Fumes &
Weather

E
E

E
E
E
E
E
E
E
F-Fair    G-Good     E-Excellent
NR-Not Recommended


Sure Step

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