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C/S Granular™ & Cetco ® Crumbles

C/S Granular™ – 30 - 50 Mesh Granular Bentonite &
Cetco® Crumbles – 8 - 20 Mesh Granular Bentonite

CS granular crumbles 8For sealing earthen structures as a hole abandonment material

C/S Granular ™ and Cetco ® Crumbles are granular bentonite products composed of polymer-free, dried bentonite clay in various mesh sizes.   Cetco ® Crumbles are coarser in size than C/S Granular ™.   Both products are certified to NSF/ANSI Standard 60, Drinking Water Treatment Chemicals – Health Effects.  Cetco ® Crumbles may also be used with Accu-Vis ™ to make a high solids grout.


  • Provides a positive seal
  • Will not shrink or crack
  • Re-hydrates
  • Less than 10% moisture
  • Available in 50 lb. multi-wall, water- resistant bags


NSF Certification

Also see Accu-Vis ™