201x4 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin. Polymer Matrix Structure______________Styrene Crosslinked with ... <1%Swelling CL-→ OH-__________________20-30%Shipping Weight (approx.)_____________690 g/l (43 lb/ft3)Specific Gravity, moist CL- Form_______1.08PH ...