DARACLEAN 212
Aqueous Alkaline Non-Silicated Mild 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
- Recyclable
- 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 460Mobil DTE XHMobilgear 629HD2 Calcium GreaseCimflo 10 | Mineral OilsPetrolatumDrop Hammer GreaseSta Put 350EDM Oil | Rosin FluxZyglo PenetrantUnaco AW-32Soluble OilsBoelube | Synthetic CoolantsCyl-Tal 81Cosmoline |
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.