General Carbon Corporation

GC 12x40SCI

Granular Activated Carbon From Bituminous Coal 

GC 12x40SCI is a virgin activated carbon which is granular in form. Made from selected grades of bituminous coal. This catalytic carbon is made specifically for applications that include chloramine and hydrogen sulfide removal in potable water. Manufactured at an ANSI/AWWA B604 certified facility.

Mesh Size – 12×40, %: 90 (min)
Greater than No. 12, %: 5 (max)
Less than No. 40, %: 4 (max)
Iodine No., mg/g: 824  (min)
Abrasion Number 75 (min)
Ash Total, %: 7 (max)
Moisture, % (as packaged): 3 (max)
Apparent Density, g/cc:  0.56
pH: 8-11

*Standard packaging is in 33lb bags. 


Wet activated carbon removes oxygen from air causing a severe hazard to workers inside carbon vessels. Confined space/low oxygen procedures should be put in place before any entry is made. Such procedures should comply with all applicable Local, State and Federal guidelines.