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.