STC HD Detergent
STC H.D. is a very low sudsing powdered alkaline detergent that may be used as a manual cleaner, or
used in enclosed high pressure systems, steam machines, soak systems, circular agitators, spray guns,
washers with brush agitation or pressure washers. Use for cleaning hard metals, soft metals adn
aluminum transmissions. Powerful cleaning action removes grease, oils, baked on soils, stains, carbon,
protein and some paints. May use with care on aluminum, tin, zinc and galvanized surfaces.
Concentrations may be varied according to need, type and heaviness of soil, water hardness or type of cleaning.
Enclosed High Pressure Systems: Recommended starting concentrations are 4 to 6 ounces of detergent per
gallon of water (30 to 45 grams per liter). Set machine to 200∞F (93∞C) for 10 to 15 minutes. Rinse thoroughly
with clean water.
Manual, Steam Machine, or Pressure Washing: Recommended concentrations are 2 to 3
ounces detergent per gallon water 15 grams per liter). Rinse thoroughly with clean water. Soak Cleaning, Warm
or Hot Vat: Recommended concentrations is 2 ounces detergent per gallon water (15 grams per liter), with heat
160 to 180∞F (71 to 82∞C) where possible. Do not over soak. Most grease and oil may be skimmed off the top.
Rinse thoroughly with clean water. Washers with Brush Agitation: Recommended concentration is 1 ounce
detergent per gallon water (7.5 grams per liter). Rinse thoroughly with clean water.