Century Products    Tomorrows Tools Today


Cetco® Chips & PureGold® Medium Chips

Hole Abandonment Material

CETCO Coarse Chips & PureGold Medium ChipsFor sealing shallow boreholes & seismic shot holes

Cetco ® Coarse Chips are natural sodium bentonite screened to 3/8” to 3/4” in size. PureGold ® Medium Chips are natural sodium bentonite screened to 1/4” to 3/8” in size. Both provide a permanent, flexible seal between gravel pack and bentonite or cement grout.  Both products are certified to NSF/ANSI Standard 60, Drinking Water Treatment Chemicals – Health Effects.


  • Chemically stable
  • Provides a high-solids clay seal
  • Prevents infiltration of surface contamination
  • Available in 50 lb. multi-wall, water-resistant bags


   NSF Certification