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Introduction
Zeolite molecular sieve XH-7 is a crystalline aluminosilicate, also known as XH-7 refrigerant desiccant. It is a modified form of sodium type A zeolite (4A molecular sieve), with a pore size of approximately 4 angstroms (0.4 nm).
Zeolite molecular sieve XH-7 is the advanced version of type XH-5 refrigerant desiccant, its pore structure is similar to XH-5. But the adsorption performance of XH-7 is optimized for HFC type refrigerants, which is comprised of Hydrogen, Fluorine and Carbon.
XH-7 molecular sieve can efficiently adsorb moisture, while avoiding excessive adsorption of refrigerant molecules, and it is compatible with refrigeration systems that require extremely strict control of moisture, acid and other polar impurities. For example, R-134A, R-12, butane and other special refrigerants.
XH-7 refrigerant desiccant also exhibits excellent acid adsorption capacity, effectively reducing corrosive substances in the refrigeration system. Moreover, it has strong thermal stability and high mechanical strength, and is suitable for harsh operating conditions such as high pressure cycles.
Technical Specification
|
Type |
XH-7 |
|
|
Nominal Pore Diameter |
4 angstroms |
|
|
Shape |
Bead |
|
|
Diameter(mm) |
1.6-2.5 |
|
|
Static H2O Adsorption(%) |
25℃, Saturated NaCl, 24h |
≥15 |
|
Bulk Density(g/ml) |
≥0.80 |
|
|
Crush Strength(N) |
≥70 |
|
|
Wear Ratio(%) |
≤0.20 |
|
|
Water Content(%) |
≤1.5 |
|
|
Particle Ratio(%) |
≥95 |
|
|
Dust Fall(ppm) |
5g+100mL DIW, Turbidity Meter |
0~55 |
Application
- Refrigeration System Filter Dehydration
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