AMBERLYST™ 70 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 stable up to 190°C, has excellent kinetics and lifetime. Use for many high-temperature applications including olefin hydration and esterification.
 

Type Matrix Functional Group
Strong Acid Cation Macroreticular SO3H

  

Guaranteed Sales Specification Units H Form
Capacity
 
eq/kg
eq/L
2.55
0.90
Max. Op. Temp.
 
°C
°F
190
275
Moisture holding capacity % 53 to 59 (H+ form)
Fines content mm < 0.425  0.5% max
Concentration of acid sites eq/kg
eq/l
≥ 2.55
≥ 0.9
Physical form   Dark brown beads
Surface area m2/g 36
Average pore diameter   220 Å
Ionic form as shipped   Hydrogen (98 %)
   
  
 
Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units H Form
Shipping Weight**
 
g/L
lbs/ft3
830
51.8