AMBERLYST™ 121Wet is a gel type, uniform particle size, sulphonic acid, polymeric catalyst with a low crosslinked structure, providing highly active condensation reactions, and is specially designed to produce Bisphenol-A (BPA).
 

Type Matrix Functional Group
Strong Acid Cation Gel -

  

Guaranteed Sales Specification Units -
Ionic form as shipped   Hydrogen
Max. Op. Temp.
 
°C
°F
130
265
Moisture holding capacity[1] % 74 to 84 (H+ form)
Harmonic mean size mm 0.720 - 0.820
Uniformity coefficient   ≤ 1.2
Fines content[1] mm < 0.425 : 0.5% max
Coarse beads mm > 1.180 : 5.0% max
Physical form   Light brown spherical beads
Concentration of acid sites eq/kg
eq/l
≥ 4.8[1]
≥ 0.73
   
[1]Contractual value. Test methods are available on request.   
 
Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units -
Shipping Weight**
 
g/L
lbs/ft3
730
45.5