Высоковакуумная смазка Apiezon M (ранее M014)

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Silicon-free. Apiezon M grease is similar to grease type L, but it contains more wax. Type M is still suitable for very high vacua but not when this requirement coincides with higher than room temperatures.

Recommended for applications where a grease of moderately low vapour pressure is required, such as for sealing ground joints on the backing side of oil diffusion pumps, for desiccators and cool or cold high vacuum situations.

Grease M has an estimated vapour pressure @ 20C of 2×10-9 torr.

We do not recommend Apiezon M for EM use, columns can get hot and then the vapour pressure of Apiezon M may be too high.

Apiezon products:

Typical Property AP101 AP100 H L M N T Main area of
application
General Lubricating Cryogenic High Temp High Vacuum General Vacuum Medium Temp Melting Point:
ASTM.D 566
°C
°F
&gt,200
&gt,392
42-52
108-126
does not melt 42-52
108-126
40-60
104-140
42-52
108-126
112-137
233-278
Working temp. range °C
°F
-40-180
-40-365
10-30
50-86
-10-240
14-464
10-30
50-86
10-30
50-86
-269-30
-452-86
10-120
50-248
Vapor Pressure
Torr @20°C
&lt,1.0×10-5 7.0×10-11 1.7×10-9 7×10-11 1.7×10-9 6×10-10 4.6×10-9 Relative Density 20°C 0.981 1.042 0.918 0.896 0.894 0.911 0.912 Radiation Resistance No No No Yes Yes No No Outgassing
Characteristics
ASTMS .E
595-90


TML
CVCM
–
–
&lt,1.0%
&lt,0.1%
&lt,1.0%
&lt,0.1%
&lt,1.0%
&lt,0.1%
–
–
&lt,1.0%
&lt,0.1%
–
–
Lubricity 4 Ball Test
ASTM .D 2763
(IP 239), Kg

450 450 250 150 140 150 – Viscosity of molten
grease, cP
50°C
100°C
–
–
–
–
–
–
766
62.3
413
29.8
–
–
–
–
Coefficient of
expansion per °C
over 20°C-30°C

0.00066 – – 0.00076 0.00075 0.00072 0.00073 Thermal conductivity,
w/m°C
–
–
–
–
–
–
0.216
–
0.194
–
0.194
0.095
–
–
Latent heat of fusion,
cal/g
– – – 15.1 18.7 15.0 – Fusion Peak °C – – 25 32 34 31 * Vol. resistivity, cm – – – 1.2×1016 2.6×1016 2.0×1016 3.3×1012 Permittivity – – – 2.3 2.1 2.3 2.3 Loss tangent – – – &lt,0.0001 &lt,0.0001 &lt,0.0001 &lt,0.0001 Surface breakdown
at flash over, kV
– – – 24 28 27 24 Electric strength, V – – – 730 850 820 730

Технические характеристики

Main area of
application