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DaraClean 257


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Daraclean 257 Heavy-Duty Aqueous Alkaline Cleaner

DARACLEAN 257 is a heavy duty aqueous alkaline cleaner containing phosphates, silicates, chelators, surfactants, and inhibitors. DARACLEAN 257 Heavy-Duty Aqueous Alkaline Cleaner is ideal for spray and immersion applications where a broad spectrum of soils and substrates are involved.

  • No SARA (Superfund Amendments And Reauthorization) reportables
  • Recyclable
  • Free rinsing
  • No fragrances
  • Effective on organic and inorganic soils
  • Long bath life
  • No glycol ethers
  • Very low foaming liquid cleaner
  • Aerospace qualified liquid cleaner
  • Low VOC’s
  • SCAQMD Certified cleaner

As with all highly silicated cleaners, an immediate and thorough rinse is recommended to avoid powdery residues on parts and fixtures. Avoid prolonged exposure to glass. Thoroughly agitate while concentrate is being added to the bath.

Applications/Starting Dilution:

Method Concentration Temperature Typical Duration
Soak 5 - 30% 27 - 93°C (80 - 200°F) 2 - 30 minutes
Agitation 5 - 30% 27 - 93°C (80 - 200°F) 2 - 30 minutes
Spray 3 - 15% 49 - 93°C (120 - 200°F) 0.5 - 30 minutes
Hand Wipe 5 - 25% Ambient to 49°C (120°F) As required
Steam 1 - 5% 82 - 93°C (180 - 200°F) 1 5 minutes
Ultrasonic 5 - 30% 27 - 93°C (80 - 200°F) 2 - 30 minutes
Inhibitor/Rinse Aid 1 - 3%, Inhibitor Only 27 - 93°C (80 - 200°F) 0.25 - 5 minutes

Concentration, temperature and duration may be adjusted for optimum performance.

Typical Physical Properties:

Alkaline Equivalent
0.44 (MEQ to pH 8.3)
 
 0.84 (MEQ to pH 4.0)
Appearance
Pale straw liquid; slight haze
Cloud Point , 10% in DI Water
38°C (100°F)
Conductivity, Concentrate
43.4 mS
Foam
Low
Odor
Bland
pH, 10% Diluted in DI Water, 25°C (77°F)
 11.5
pH, Concentrate, 25°C (77°F)
11.8
Refractive Index, Concentrate
22.0 - 26.0°Brix @ 20°C (68°F)
Specific Gravity
1.12
Surface Tension, 10%
30 dynes/cm
Vapor Pressure
17 mmHG @ 20°C (68°F)
VOC, 10% (EPA Method 24)
0.5 gm/l (<0.1 lbs/U.S. gallon)
VOC, Concentrate (EPA Method 24)
 4.8 gm/l (0.04 lbs/U.S. gallon)
Weight/U.S. Gallon
1.12 kg/l (9.3 lbs/U.S. gallon)

Performance Properties:

DARACLEAN 257 is non-corrosive and non-staining to a wide variety of alloys including 2000 and 7000 series bare and alclad aluminum, copper, mild steel, gray cast iron and steel wool. DARACLEAN 257 has been found to successfully remove a wide range of organic and inorganic soils including:

Axel Grease

Vegetable Oil

Rosin Flux

Mineral Oil

EDM Oil

Lithium Grease

Meropa 450

SAE Motor Oil

Cyl-Tal 81

Sta-Put 350

Cosmoline

Lanolin

Light rust

Hydraulic Grease

Hydraulic Oil

Disposal:

DARACLEAN 257 Heavy-Duty Aqueous Alkaline Cleaner can be treated via skimming and/or filtering. Final sewerability is determined by the municipal sewer district covering the plant location

Availability, Storage, and Handling:

DARACLEAN 257 Heavy-Duty Aqueous Alkaline Cleaner is available in 5 gallon pails, 55 gallon drums, and returnable totes. It is recommended that DARACLEAN 257 be stored in well-ventilated areas at temperatures between 4 and 38°C (40°F and 100°F). The recommended shelf life of this product is one year.

Samples should not be stored for long periods of time in glass containers; plastic is preferred.


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