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AVAILABLE AT |
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Apiezon waxes are designed for sealing joints of a permanent nature. Three grades of wax are available, all similar, but with differing degrees of hardness and softening points. Wax W is used in most applications, but a softer wax is used where it would simplify application or where there may be vibration problems. |
Specification chart |
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For your free copy of the NASA research paper on Apiezon N or more product information contact info@inlandvacuum.com. |
Specification chart |
APIEZON Wax |
APIEZON sealing compound q |
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Apiezon Sealing Compound is a putty-like substance used to seal joints and fill holes and gaps on the rotary side of a high vacuum system. It is suitable for sealing the edges of flat, underground joint in test equipment where parts of the system must be blanked off temporarily. A further example is the sealing of glass jars to metal plates to produce temporary vacuum enclosures. |
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Vacuum Performance Oils and Greases |
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Inland Vacuum Industries, Inc. |
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All stopcocks and moveable joints in a vacuum system must be satisfactorily lubricated while remaining leak proof. The ideal lubricant for this purpose would have a low vapor pressure and be stable, chemically inert, non-toxic, and easily applied/removed. Apiezon greases have these qualities. A wide range of greases are available for various applications. |
APIEZON GREASES |
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Product |
Vapor Pressure @ 20ºC (Torr) |
Melting Pt. (ºC) |
Average Molecular Weight |
Specific Gravity @ 20ºC |
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Apiezon Grease H |
2x10-9 |
Does not melt |
1000 |
0.918 |
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Apiezon Grease L |
7x10-11 |
47ºC |
1300 |
0.896 |
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Apiezon Grease M |
2x10-9 |
44ºC |
950 |
0.894 |
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Apiezon Grease N |
8x10-10 |
43ºC |
1300 |
0.911 |
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Apiezon Grease T |
4.6x10-9 |
125ºC |
n/a |
0.912 |
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Specifications |
WAX W |
WAX W100 |
WAX W40 |
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Approximate Softening Pt. ºC |
85 |
55 |
45 |
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Temperature for Application ºC |
140 |
110 |
95 |
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Maximum Temperature for Use ºC |
80 |
50 |
40 |
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Specific Gravity @ 20ºC/15.5º |
1.055 |
1.025 |
1.017 |
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Specific Gravity @ 30ºC/15.5º |
1.048 |
1.018 |
1.010 |
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Average Molecular Weight |
1214 |
1160 |
1140 |
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Coefficient of Expansion per ºC over 20-30ºC |
0.00062 |
———- |
0.00063 |
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Thermal Conductivity Btu/in/fte2/ºF |
1.31 |
1.81 |
1.23 |
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Thermal Conductivity w/m/ºC |
0.189 |
0.170 |
0.177 |
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Specific Heat 25ºC, cal/g |
0.43 |
0.70 |
0.51 |
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Specific Heat 25ºC, Joule/g |
1.8 |
2.9 |
2.1 |
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Loss Tangent |
0.015 |
0.016 |
0.015 |
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Permittivity |
2.8 |
2.7 |
2.9 |
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Volume Resistively, ohm/cms |
6.31x1015 |
1.64x1015 |
5.05x1015 |
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Specifications |
COMPOUND Q |
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Approximate Softening Pt. ºC |
45 |
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Temperature for Application ºC |
Ambient |
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Maximum Temperature for Use, ºC |
30 |