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Special 4A molecular sieve for automobile desiccation

Chemical Formula:Na2O*Al2O3*2SiO2*9/2H2O
Si/Al ratio:    SiO2/ Al2O3≈2
Pore diameter:   About 4
Use:        Due to its large adsorption capacity for water and high strength, it is ideal for air desiccation in car.

Technical parameter:
Parameter
Unit
Data
Diameter
Mesh
8*12
Water adsorption capacity
≥ %wt
21
Bulk density
≥ g/ml
0.75
Strength
≥ N
70
Abrasion
≤ %wt
0.1
Water content
≤ %wt
1.0
Reactivation:
Room temperature, humidity <90%, non-exposing in air; non-contacting with water, acid and alkali.
Packing:
25 Kg (10 gallon) brown paper bag (or box) with plastic inside
150 Kg (bead, 55 gallon) steel pail


 
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