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Main Properties of Apiezon® Vapour Booster Pump Oil

 Property

Test Method

Apiezon AP201

 Vapour
pressure @ 20°C/68°F, torr

(a)

4 x 10-6

 Vapour
pressure @ 165°C/320°F, torr

(a)

1

 Relative density @ 20°C/68°F

IP 190

0.885

 Boiling point @ 1 torr,

°C
°F

(a)

165
329

 Pour
point,

°C
°F

ASTM D97-93

-30
-22

 Viscosity, kinematic @ 20°C/68°F, cSt

ASTM D445-94

76

 Viscosity, kinematic @ 40°C/104°F, cSt

ASTM D445-94

22

 Flash point, Cleveland Open Cup,

°C
°F

ASTM D93-94

196
385

 Fire point, Cleveland Open Cup,

°C
°F

ASTM D92-90

>200
>392

 Auto ignition temperature,

°C
°F

ASTM D215

>320
>608

 

(a)  Journal of The Society of The Chemical
Industry, 1946, 65, p. 360

 

Main Properties of
Apiezon® Sealing Oils

 Property

Apiezon J Oil

Apiezon K Oil

Apiezon C Oil

 Relative density @ 20°C/68°F

0.948

0.945

0.868

 Flash point, Cleveland Open

 Cup,

°C
°F

> 350
> 662

> 350
> 662

266

 Fire point, Cleveland Open Cup,

°C
°F

> 370
> 698

> 370
> 698

293

 Viscosity, kinematic, cSt @

40°C/104°F
100°C/212°F

3330
107

5710
177

90
10.6

 Viscosity, dynamic (cP) @ 40°C/104°F

3005

5160

77.2

 Pour
point ASTM D97-93,

°C
°F

-1
30

-1
30

-15
5

 Thermal conductivity,

w/m °C
B.T.U. in/ft2.h °F

0.167
1.16

0.169
1.17

0.139
1.96

 Specific
heat @ 25°C/77°F,

cal/g
Joule/g

0.48
2.0

0.46
1.9

0.46
1.9

Apiezon® Vacuum Oil Product Range

Diffusion
– Ejector (Vapour Booster) Pump Oil

Apiezon AP201

Sealing Oils

Apiezon J Oil
Apiezon K Oil