TEMP
F
C

R500
 

-20
-28.9
3.2

-15
-26.1
5.4

-10
-23.3
7.8

-5
-20.6
10.4

0
-17.8
13.3

5
-15.0
16.4

10
-12.2
19.7

15
-9.4
23.4

20
-6.7
27.3

25
-3.9
31.5

30
-1.1
36.0

35
1.7
40.9

40
4.4
46.1

45
7.2
51.6

50
10.0
57.6

55
12.8
63.9

60
18.3
70.6

65
18.3
77.8

70
21.1
85.4

75
23.9
93.5

80
26.7
102

85
29.4
111

90
32.2
121

95
35.0
131

100
37.8
141

105
40.6
152

110
43.3
164

115
46.1
177

120
48.9
189

125
51.7
203

130
54.4
217

135
57.2
232

140
60.0
248

145
62.8

150
65.6

Vapor Pressure-psig
In Vacuum inches in Hg