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Braycote® Vacuum Greases

Chemical resistance data for the base fluid


Technical Report

Perfluoropolyether Lubricants

Chemical Resistance

CLASS OF PRODUCT
CHEMICAL PRODUCT
TEMPERATURE AT WHICH
FLUORINATED FLUIDS
RESIST ON CONTACT (°C)
Organic solvents All products in this class 300(1)
Organic acids All products in this class 300(1)
Organic bases(2) Tributylamine
Quinoline(5)		 200
200
Inorganic bases(3) Potassium hydroxide(5)
Sodium hydroxide
Sodium carbonate		 200
200
200
Inorganic salts(3) Potassium chloride 250
Inorganic oxidizing agents (3) Fluorine
Chlorine
Bromine
Potassium permanganate
Potassium dichromate(5)		 250
250
250
200
200
Inorganic acids(3) Hydrochloric acid
Hydrofluoric acid
Orthophosphoric acid
Sulfuric acid(5)
Nitric acid		 250
250
200
200
200
Lewis acids(4) Ferric chloride FeCl3(5)
Zinc chloride
Boron trifluoride		 200
200
200
Other Silicon tetrachloride
Trichlorosilane
Phosphorous tribromide
Phosphorous pentachloride 		150
150
150
150

(1) Fluorinated fluids are soluble in highly fluorinated products.
(2) The table lists some products of this class which have been laboratory tested and gives the results obtained; for other products, differing from those listed, compatibility tests should be performed under the expected contact conditions.
(3) Fluorinated fluids are completely inert with regard to chemical products belonging to this class.
(4) Some members of this class are reactive with regard to fluorinated fluids since they catalyze their decomposition but only at relatively high temperatures.
(5) In the tests performed with these substances, no marked alterations were recorded at the temperature indicated in the tables and even for longer times (up to 1 month).

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Sunday July 05, 2009
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