amberlyst CH28

Typical Properties
These properties are typical but do not constitute specifications.
Matrix    Macroreticular styrene DVB copolymer
Physical form    Opaque spherical beads
Ionic form as shipped     H+
Palladium load    0.7% min (dry basis)
Concentration of acid sites    ≥ 1.6 eq/L[1] (H+ form)
≥ 4.8 eq/kg (H+ form)
Moisture holding capacity [1]    52 to 58% (H+ form)
Shipping weight    790 g/L (49.3 lbs/ft3)
Particle size     
    Harmonic mean size    0.850 to 1.050 mm
    Uniformity coefficient    ≤ 1.4
    Fines content [1]    < 0.710 mm: 2.0% max
    Coarse beads    > 1.180 mm: 15.0% max
Nitrogen BET     
    Surface area    36 m2/g
    Average pore diameter    260 Å
    Total pore volume    0.20 ml/g
Shrinkage    Water to acetone: 14%
Water to MIBK: 19%
 [1] Contractual value