Bentonite Chips: Hole Plug for Sealing Boreholes & Wells ...
2020-7-2u2002·u2002Grounding rods are driven into the ground before bentonite chips are applied to plug any holes or voids in the surrounding soil. Choose Southwestern Materials for the Finest Bentonite Chips At Southwestern Materials, we sell bentonite chips in a 3/8 inch size.
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