DARACLEAN® 212: Aqueous Alkaline Cleaner
DARACLEAN 212 Aqueous Alkaline Cleaner is a moderate to high foaming mild alkaline liquid blend of organic surfactants, water conditioners, and organic and inorganic inhibitors designed specifically for tough cleaning operations where silicates cannot be tolerated.
- No SARA (Superfund Amendments And Reauthorization) Reportables
- Recylable
- Mild pH
- Free rinsing liquid cleaner
- No silicates
- No phosphates
- Conforms to Boeing Approved Chemical (BAC) 5763
- Rejects most soils
- Aerospace qualified liquid cleaner
DARACLEAN 212 Aqueous Alkaline Cleaner actually sheets the water off and does not leave the heavy water film typical of water-break-free surfaces.
Applications/Starting Dilution:
| Method | Concentration | Temperature | Typical Duration |
| Soak | 3 - 25% (8 - 12%*) | 27 - 82°C (80 - 180°F) | 2 - 30 minutes |
| Agitation | 3 - 25% (8 - 12%*) | 27 - 82°C (80 - 180°F) | 2 - 30 minutes |
| Spray | Not recommended | -- | -- |
| Hand Wipe | 10 - 25% | Ambient | As required |
| Steam | 1 - 12% | 66 - 93°C (150 - 200°F) | 1 - 5 minutes |
| Ultrasonic | 3 - 25% (8 -12%*) | 27 - 82°C (80 - 180°F) | 2 - 30 minutes |
| Inhibitor/Rinse Aid | 3 - 5% | Ambient - 82°C (180°F) | 0.5 - 30 minutes |
*Preferred Range
Concentration, temperature and duration may be adjusted for optimum performance.
Typical Physical Properties:
Alkaline Equivalent | Not applicable (MEQ to pH 8.3) |
| 1.0 - 2.0 (MEQ to pH 4.0) |
Appearance | Clear straw/amber liquid |
Cloud Point, 10% in DI Water | 63 - 71°C (145 - 160°F) |
Conductivity, Concentrate | 9.6 mS |
Foam | Moderate to high |
Odor | Bland |
pH, 10% Diluted in DI Water, 25°C (77°F) | 7.8 - 8.5 |
pH, Concentrate, 25°C (77°F) | 8.3 - 8.7 |
Refractive Index, Concentrate | 34.0 - 38.0°Brix @ 20°C (68°F) |
Specific Gravity | 1.035 |
Surface Tension, 10% | 33 dynes/cm |
Vapor Pressure | 24 mmHG @ 20°C (68°F) |
VOC, 10% (EPA Method 24) | 7.2 gm/l (<0.1 lbs/U.S. gallon) |
VOC, Concentrate (EPA Method 24) | 71.9 gm/l (0.6 lbs/U.S. gallon) |
Weight | 1.0 kg/l (8.6 lbs/U.S. gallon) |
Performance Properties:
DARACLEAN 212 Aqueous Alkaline Cleaner has been found to be non-staining to a wide range of substrates including aluminum, copper, ferrous, and titanium alloys. DARACLEAN 212 has been found to successfully clean a wide range of organic and inorganic soils including:
Meropa 460 Mobil DTE XH Mobilgear 629 HD2 Calcium Grease Cimflo 10 | Mineral Oils Petrolatum Drop Hammer Grease Sta Put 350 EDM Oil | Rosin Flux Zyglo Penetrant Unaco AW-32 Soluble Oils Boelube | Synthetic Coolants Cyl-Tal 81 Cosmoline |
Disposal:
DARACLEAN 212 Aqueous Alkaline Cleaner can be pretreated via skimming and/or filtering. The municipal sewer district covering the plant location determines final sewerability.
Availability, Storage, and Handling:
DARACLEAN 212 Aqueous Alkaline Cleaner is available in 5 gallon pails and 55 gallon drums. It is recommended that DARACLEAN 212 Aqueous Alkaline Cleaner be stored in well-ventilated areas at temperatures between 4 and 38°C (40°F and 100°F). The recommended shelf life of DARACLEAN 211 Aqueous Alkaline Cleaner product is one year.
