DEFROST PG 1
- removal of ice from aircraft surfaces and short-term protection against ice formation in ground icing conditions
- used for airplanes with the take-off speed of at least 120 km/h at the beginning of the front pillar lifting, i.e. for the transport category airplanes and low-speed transition category airplanes.
- does not protect aircraft from icing during flights
- compatible with Defrost PG 2 type II, Defrost ECO 4 type IV and Defrost EG 4 type IV liquids during two-stage aircraft processing
The liquid «Defrost PG 1», type I, is produced on the basis of an aqueous solution of monoethylene glycol with addition of an anticorrosive additive and surfactant; it is painted in orange.
The liquid by its performance characteristics meets the requirements of SAE AMS 1424/1 and was approved by the International Certification Center AMIL (Canada), having been included in the following lists: Holdover Time (HOT) Transport Canada, Holdover Time (HOT) FAA and the List of ROSAVIATION, being approved for use in the Russian Federation.
|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||1,047 – 1,053||GOST 18995.1, ASTM D 891|
|Refraction index at 20°С.||1,4165 – 1,4195||GOST 18995.2, ASTM D 1747|
|Hydrogen index (pH) at 20°С.||8,0 – 9,0||GOST 22567.5, ASTM E70|
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)
water spray (WSET)
|SAE АМS 1424, AS 5901|
Tap values for low-speed aircraft (transition category) are given in brackets.
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