Molecular sieve ball or columnar.
Molecular sieve main types:
1. Deep drying of gases and liquids, such as air, carbon dioxide, natural gas, goal gas, hydrogen gas, oxygen gas, refrigerants, solvents, etc,
2. Purification of argon gas
3. Used as desiccant for polyurethane coatings and polymer systems.
4. Static drying for drugs packings, electronic components and perishable chemicals.