Apiezon High Vacuum Grease Type L 25 GR, Each

Details

Grease L is a petroleum hydrocarbon grease, containing no additives. Very low vapor pressure (@20 degree C of 8x10-11 torr), high vacuum grade. Type L is widely used in the stationary phase of gas liquid chromatography, and may be used on all ground joints in a vacuum system (not for stopcocks). Its solubility is as follows: in Ethanol at 20 degree C-0.003%; 60 degree C-0.005%; 100 degree C-0.011%; 150 degree C-0.011%. Grease L softens and melts at about 47 degree C and it is not recommended for joints where temperatures exceed more than 30 degree C in use. Grease T is recommended for these higher temperatures.