Application Areas
Grignard reaction Friedel-Crafts reaction Dangerous synthesis processes such as nitration reactions. Superconducting heat transfer. Vacuum distillation FD (freeze-drying) ultra-low temperature cryogenic systems, etc.
Physical & Chemical Properties
Flammable Non-volatile Non-corrosive Good low-temperature fluidity
Temperature Range
-60℃—220℃
Precautions
Ensure the system is clean and free of moisture before injection; for large-scale systems, use N whenever possible.2Pressurized closed expansion cycle
Zhongfu No.5 Common Physical Property Table
Temperature | Specific heat capacity (kJ/kg·K) | Thermal conductivity (W/m·K) | Viscosity mPa·s (cp) | Density (g/ml) |
20℃
|
2.852
|
0.378
|
4.15
|
0.8632
|
0℃
|
2.647
|
0.3607
|
7.67
|
0.8808
|
-10℃
|
2.545
|
0.3508
|
11.18
|
0.8896
|
-20℃
|
2.445
|
0.3408
|
16.29
|
0.8964
|
-30℃
|
2.344
|
0.3299
|
21.60
|
0.9013
|
-40℃
|
2.242
|
0.3211
|
27.84
|
0.9063
|
-50℃
|
2.142
|
0.3098
|
33.56
|
0.9098
|
-60℃
|
2.036
|
0.2992
|
41.35
|
0.9131
|
Zhongfu No.5 Corrosion Test
Zhongfu No.5 Corrosion Test (Coupon specificationType II immersion for 168h）GBT 18175-2000
Test item | Pre-test weight (g) | Post-test weight (g) | Test duration in hours (g) | Post-test weight loss (mg) | Corrosion rate (g/m2h) | Corrosion rate (mm/a) |
A3 steel
|
13.0520
|
13.0519
|
168
|
0.1
|
0.00030
|
0.00033
|
Copper
|
14.8241
|
14.8241
|
168
|
0
|
0.00000
|
0.00000
|
Aluminum alloy
|
4.6035
|
4.6033
|
168
|
0.2
|
0.00059
|
0.00186
|
304 Stainless Steel
|
13.1270
|
13.1270
|
168
|
0
|
0.00000
|
0.00000
|
