AMBERLYST™ CH28 is a polymer based strong acid ion exchange resin for the use of functionalized styrene divinylbenzene copolymers with different surface properties and porosities. This product is a Palladium doped product (0.7%) for hydrogenation (MIBK, TAME).
 

Type Matrix Functional Group
Strong Acid Cation Macroreticular SO3H, Pd

  

Guaranteed Sales Specification Units H Form
Capacity
 
eq/kg
eq/L
4.80
1.60
Max. Op. Temp.
 
°C
°F
130
265
Moisture holding capacity % 52 to 58 (H+ form)
Uniformity coefficient   ≤ 1.4
Harmonic mean size mm 0.850 to 1.050
Fines content mm < 0.710  2.0% max
Coarse beads mm > 1.180   15.0% max
Concentration of acid sites eq/kg ≥ 4.8
Physical form   Opaque spherical beads
Surface area m2/g 36
Average pore diameter   260 Å
Ionic form as shipped   Hydrogen
Palladium load   0.7 % min (dry basis)
   
  
 
Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units H Form
Shipping Weight**
 
g/L
lbs/ft3
790
49.3