AMBERLYST™ 33 is a low-leaching bead form gel-type sulfonic acid polymer catalyst. AMBERLYST 33 couples high activity with very low acid and leaching. This catalyst was specifically designed for the stringent demands of Bisphenol-A (BPA) production and may be used in other applications as well.
 

Type Matrix Functional Group
Strong Acid Cation Gel SO3H

  

Guaranteed Sales Specification Units H Form
Capacity
 
eq/kg
eq/L
4.80
1.35
Max. Op. Temp.
 
°C
°F
130
265
Moisture holding capacity % 64 to 68
Uniformity coefficient   ≤ 1.60
Harmonic mean size mm 0.550 - 0.700
Fines content mm < 0.425  0.8% max
Coarse beads mm > 1.180   2.0% max
Physical form   Amber spherical beads
Concentration of acid sites eq/kg ≥ 4.8
   
  
 
Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units H Form
Shipping Weight**
 
g/L
lbs/ft3
770
48