Refrigeration oil
Refrigeration oil
This product is prepared by the following methods, dewaxing of neutral oil produced by the Xinjiang crude oil, clay refining, and then add antioxidant, rust, defoaming and other additives.
The product is mainly applied to ammonia, CFCS and HCFCS as refrigerant, refrigeration presses. According to the kinematic viscosity of 40℃, the product is divided into 15, 22, 32, 46, 68 five grades.
Quality index:
|
Items
|
Quality Index
|
Test method
|
||||
| ISO Viscosity grade(according to GB/T3141) |
15
|
22
|
32
|
46
|
68
|
—
|
| Kinematic viscosity (40℃), mm2/s |
13.5-16.5
|
19.8-24.2
|
28.8-35.2
|
41.4-50.6
|
61.2-74.8
|
GB/T265
|
| Flash point (opening) , ℃ not lower than |
150
|
150
|
160
|
160
|
170
|
GB/T3536
|
| Pour point, ℃ not higher than |
-35
|
-35
|
-30
|
-30
|
-25
|
GB/T3535
|
| U Tube flowability, ℃ not higher than |
-35
|
-30
|
-25
|
-20
|
-15
|
GB/T12578
|
| Neutral value, mgKOH/g no greater than |
0.08
|
GB/T7304 or GB/T4945
|
||||
| Residual carbon, % no greater than |
0.10
|
GB/T268
|
||||
| Ash, % no greater than |
0.01
|
GB/T508
|
||||
| Color, number no greater than |
1
|
1
|
1.5
|
2.0
|
2.5
|
GB/T6540
|
|
Corrosion test (copper, 100℃, 3h), grade no greater than |
1
|
GB/T5096
|
||||
|
Oxidation stability (140℃, 14h): no greater than no greater than |
0.2
|
SH/T0196
|
||||
Second, pay attention to matters
During the storage and use of the product, the product should be kept clean and avoid mixing of impurities and moisture.
Third, packaging
200 liters/barrel
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