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Apiezon® M Greases

Apiezon® M Greases
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Price: 73
Product ID : M25
M100 Size=100 g. tube Apiezon M M25 Size=25 g. tube Apiezon M

Description

High Vacuum Grease, Silicone and Halogen Free

This is a good general-purpose lubricant similar to Grease L but containing more wax. Grease M has an estimated vapor pressure at 20 °C of 2 x 10-9 torr, higher than Grease L, and used where a grease of such moderately low vapor pressure is adequate. It is used whenever a good lubricant is required and, being less expensive than the other Apiezon greases, is recommended for use in vacuum work and as a good lubricant for general use throughout the laboratory.

Specs

Property Grease M
Vapor Pressure at 20 °C, torr xx10-9
Approximate Melting Point 44
Specific Gravity at 20 °C
30 °C
0.894
0.887
Viscosity cP at 20 °C
100 °C
413
29.8
Average Molecular Weight 950
Coefficient of Expansion per °C * 0.00075
Thermal Conductivity w/m/°C 0.192
Specific Heat at 25 °C, cal/g (b)
Latent heat of fusion, cal/g 18.7
Volume resistivity, ohm cms 2.6x10+16
Permitivity 2.1
Loss tangent <.0001
Surface breakdown, kV at flash over 28
Electric strength, volts/mil 850

* Over temperature range 20 to 30o C
(a)  Greases AP101 and H do not melt at high temperatures and consequently many of the above physical properties cannot readily be measured
(b)  Specific heats of Greases L, M, N and T cannot be measured as their fusion peaks are too close to room temperature.

Precautions

PRECAUTIONS: Apiezon Products - Health and Safety

Apiezon products have been widely and safely used in vacuum distillation apparatus in both industry and laboratories for a number of years. As a result they should not present a health hazard assuming normal standards of industrial hygiene and safety are followed in their handling.

All Apiezon products are bases on petroleum products of a low order of acute toxicity. However, certain individual develop a rash after repeated contact. Therefore, it is recommended that gloves be worn to handle Apiezon. If Apiezon material is inadvertently in contact with the skin, wipe the area carefully, then cleanse thoroughly using a mild soap. Should any Apiezon products be heated for application, vent the fumes and avoid breathing the warm vapors.

In terms of explosion and fire, Apiezon products are considered non-hazardous.

SDS

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