加热用液体介质的性质
The Properties of Liquid Media Used in Calefaction
加热用液体介质的性质
The Properties of Liquid Media Used in Calefaction
序号(No.) |
名称(Name) |
熔点 (Melting
point) tm/℃ |
沸点 (Boiling
point) tb/℃ |
使用的温度范围(Temperature
range in use) t/℃ |
粘度 (Viscosity) η/(mPa·s) |
1 |
乙二醇 |
-12.3 |
197.2 |
-10~180 |
21.0(20℃) |
2 |
润滑油 |
- |
- |
20~175 |
30.0(80℃) |
3 |
萘(C10H8) |
80.2 |
217.9 |
80~200 |
0.776(100℃) |
4 |
导热姆A(73.5%二苯氧化物,26.5%联苯) |
12.1 |
260.0 |
15~225 |
1.0(100℃) |
5 |
三甘醇 |
-5.0 |
287.4 |
0~250 |
47.8(20℃) |
6 |
80%H3PO4,
20%HPO3 |
<20.0 |
- |
20~250 |
- |
7 |
硅
油① |
-48.0 |
- |
-40~250 |
- |
8 |
甘油(丙三醇) |
- |
290.0 |
-20~260 |
1069.0(20℃) |
9 |
二苯甲酮 |
48.1 |
305.9 |
50~275 |
4.79(55℃) |
10 |
硫
酸 |
10.5 |
330.0 |
20~300 |
- |
11 |
石
蜡 |
约50.0 |
- |
60~300 |
- |
12 |
硬芝麻油 |
约60.0 |
约350.0 |
60~320 |
- |
13 |
66.7%H3PO4,
33.3%H3PO3 |
- |
- |
125~340 |
- |
14 |
汞 |
-38.9 |
356.58 |
-35~350 |
1.5(20℃) |
15 |
四甲基硅酸酯 |
<-48.0 |
436.0~441.0 |
20~400 |
- |
16 |
硫 |
112.8 |
444.6 |
120~400 |
7.1(150℃) |
17 |
51.3%KNO3,48.7%NaNO3 |
219.0 |
- |
230~500 |
- |
18 |
40%NaNO2,7%
NaNO3,53% KNO3 |
142.0 |
- |
150~500 |
17.1(149℃) |
19 |
铅 |
327.4 |
1613.0 |
350~800 |
2.58(350℃) |
20 |
焊锡(50%Pb,50%Sn) |
225.0 |
- |
250~800 |
- |
21 |
40%NaOH,60%KOH |
167.0 |
- |
200~1000 |
- |
①硅油的型号不同,其特性也不同,因此使用时要注意。