Application Areas
Immersion freezing Food industry Pharmaceutical and chemical industry Dairy products Brewery, etc.
Physical & Chemical Properties
Non-toxic, non-volatile, non-corrosive, non-flammable, high specific heat, excellent low-temperature fluidity
Temperature Range
-72℃—100℃
Fresh-frozen liquid WD-1: Common physical property parameters table (Freezing point: -70℃）
Temperature | Specific heat capacity (kJ/kg·K) | Thermal conductivity (W/m·K) | Viscosity mPa·s (cp) | Density (g/ml) | Boiling point (℃) |
-10℃
|
2.68
|
0.461
|
4.12
|
1.039
|
100
|
-20℃
|
2.62
|
0.442
|
8.82
|
1.040
|
100
|
-30℃
|
2.59
|
0.429
|
15.62
|
1.042
|
100
|
-40℃
|
2.57
|
0.418
|
26.81
|
1.044
|
100
|
-50℃
|
2.56
|
0.387
|
54.56
|
1.046
|
100
|
-60℃
|
2.54
|
0.363
|
62.52
|
1.048
|
100
|
-70℃
|
2.52
|
0.347
|
74.32
|
1.051
|
100
|
Reference values for the concentration and freezing point of Fresh-Freeze Liquid WD-1 concentrate
Fresh-freezing liquid WD-1
Concentrate concentration | 18.5% | 38.5% | 52% | 58% | 64% | 70% | 75% |
Freezing point
|
-10℃
|
-20℃
|
-30℃
|
-40℃
|
-50℃
|
-60℃
|
-70℃
|
Specific gravity
|
1.021
|
1.028
|
1.032
|
1.035
|
1.037
|
1.038
|
1.038
|
Fresh-frozen liquid WD-3 corrosion test
Fresh-frozen liquid 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
|
13.2670
|
13.2655
|
168
|
1.5
|
0.00443
|
0.00493
|
Copper
|
15.1100
|
15.1100
|
168
|
0
|
0.00000
|
0.00000
|
Aluminum alloy
|
4.6900
|
4.6886
|
168
|
1.4
|
0.00413
|
0.01302
|
304 Stainless Steel
|
13.3727
|
13.3720
|
168
|
0.7
|
0.00207
|
0.00229
|
