Environmental refrigerant
Describe
1. Molecular formular: CH2F2
2. Specifications
This product is divided into excellent grade and first grade.
3. Major technical indexes
Item | Unit | Excellent Grade | First Grade | Executive Standard |
Mass fraction of difluoromethane | % | ≥99.90 | ≥99.80 | HG/T 4634-2014 |
Mass fraction of fluorochlormethane | % | ≤0.0007 | ≤0.005 | HG/T 4634-2014 |
Moisture | % | ≤0.001 | ≤0.002 | HG/T 4634-2014 |
Acidity | % | ≤0.00001 | ≤0.0001 | HG/T 4634-2014 |
Mass fraction of evaporated reside | % | ≤0.01 | ≤0.01 | HG/T 4634-2014 |
Determination of chlorides(Cl-) | - | qualified | HG/T 4634-2014 | |
Volume fraction of non-condensable gases at 25℃ | % | ≤1.5 | HG/T 4634-2014 | |
4. Product performance
This product is a colorless, slightly etheric odor gas at room temperature;
molecular weight 52.02 g/mol, boiling point -51.7℃, melting point -136℃, liquid density 0.958 g / cm3 (25℃);
not easy to decompose and stable at room temperature.
Environmental parameters: ODP is 0 and GWP is 650.
5. Predominant use
As a new generation refrigerant, it can be mixed with R125 into R410a, and directly used as refrigerant.
6. Packaging and storage
Store in a ventilated, dry place in a closed container
Repetitive cylinder: 700kg(net), tank: 15000(net).
