What is Dow Corning high vacuum grease used for?
Dow Corning® High Vacuum Grease is a silicone-based, odorless, translucent white-grey grease suitable for use in sealing and lubricating. A stiff, non-melting silicone material, Dow Corning High Vacuum Grease seals and lubricates valves, bearings, gaskets, O-rings, and vacuum and pressure systems.
What is high vacuum silicone grease?
High-vacuum silicone grease have been designed for sealing and lubrication in vacuum and pressure applications. It is typically a stiff, non-melting silicone lubricating grease which maintains its consistency over a temperature range of -40 to 204ºC. High-vacuum grease is recommended for vacuum systems up to 10-6 mbar.
How do you use high vacuum grease?
How To Grease Vacuum Joints
- Use a Pea-sized Dab of Grease. Many individuals do not know, and this is one of the main problems that can cause a leak when performing vacuum distillation.
- Evenly Spread the Grease.
- Gently Insert the Glassware.
- Twist the Joint Back and Forth Carefully.
- Check your work!
How do you dissolve vacuum grease?
Polar solvents like water, ethanol, methanol, etc won’t work. Stoddard solvent, ethyl ether, toluene, etc. will dissolve the grease but research to ensure they are compatible with the silicon.
Is Dow Corning high vacuum grease Food Safe?
It is recommended that the grease be preconditioned under vacuum and temperature until these limits are reached. For details on attaining higher vacuums, please contact Dow Corning Customer Service at 1-800-248-2481. Dow Corning High-Vacuum Grease resists vegetable and mineral oils and common gases.
What is vacuum grease soluble in?
Solubility. DOW CORNING High-Vacuum Grease is insoluble in water, methanol, ethanol, acetone, glycol and glycerine. It can be dispersed in kerosene, stoddard solvent, benzene, toluene, ethyl ether or petroleum ether.
What happens if you use too much vacuum grease?
Too much grease can cause channeling, which leads to leaks. You should create three to four of these “stripes” equally around the male joint. Once the stripes of grease are made on the male joint, insert it into the female portion of the joint.
Is vacuum grease needed?
Vacuum grease is a lubricant with low volatility and is used for applications in low pressure environments. They would not be present to provide lubrication. They would make lowering the pressure below their vapor pressure difficult.
What is the best solvent to dissolve grease?
Alcohol. Another method of dissolving stubborn kitchen grease is to use isopropyl alcohol. Isopropyl alcohol works in a similar manner to water-displacing lubricants. It breaks up the grease into smaller particles and surrounds it with alcohol molecules, in effect dissolving the grease.
Is vacuum grease flammable?
Suitable extinguishing media the product is not flammable. Extinguish with alcohol-resistant foam, carbon dioxide, dry powder or water fog.
How many grams of grease are in a pump?
1.28 grams
Manual (Lever) – This is the most common type of grease gun and can supply around 1.28 grams of grease per pump, which is forced through an aperture from hand pumps. Manual (Pistol Grip) – This variation of the lever-type grease gun allows for the one-handed pumping method, which is very common.