DEFROST PG 2
- protection against ice formation on aircraft surfaces and ice removal in ground icing conditions
- applicable for aircraft with the take-off speed of at least 185 km/h at the beginning of the front pillar lifting
- does not protect the aircraft from icing in flight
- compatible with Defrost EG 88.1 type I and Defrost PG 1 type I during two-stage aircraft processing
The liquid «Defrost PG2», type II, is produced on the basis of a propylene glycol aqueous solution with addition of anticorrosive additive and surfactant and is colored in yellow.
The liquid meets the requirements of SAE AMS 1428/1, approved by the International Certification Center AMIL (Canada), included in Holdover Time (HOT) Transport Canada, Holdover Time (HOT) FAA, based on its performance characteristics.
| Indicator | Manufacturer’s value | Method of determination |
|---|---|---|
| Appearance, color and mechanical impurities | Liquid of orange color, opalescence is allowed, shade is not normalized. Mechanical impurities are not allowed. | Visual check of a sample in a cylindrical glass vessel |
| Density at 20°С, g/cm3 | 1,030 – 1,060 | GOST 18995.1, ASTM D 891 |
| Refraction index at 20°С | 1,3885 – 1,3915 | GOST 18995.2, ASTM D 1747 |
| Hydrogen index (pH) at 20°С | 6,5 – 7,5 | GOST 22567.5, ASTM E70 |
| Dynamic viscosity at 20⁰С, (Brookfield viscometer, spindle LV 1, speed 0.3 rev/min, measuring duration 10 minutes), mPa-s. | 4 500 – 7 500 | AS 9968 |
|
Temperature limit of aerodynamic suitability for solutions, °С:
|
|
SAE АМS 1424, AS 5900 |
|
Time of protective action of solutions in laboratory conditions (minutes): high humidity (HHET) aqueous aerosol (WSET) |
over 240 over 30 |
SAE АМS 1424, AS 5901 |
The company was founded in 1996
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