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
|