SWELL PLUG COARSE is an all natural unaltered high swelling sodium bentonite. SWELL PLUG COARSE is used in a variety of drilling applications were sealing and flow control is required. Swell Plug settles through standing water then swells to form an impermeable seal.

Applications:
-Casing Seals
-Grounding Rods
-Flowing Holes
-Hole Abandonment
-Seismic Shot Holes

Swell Plug Coarse data sheet.
Material Safety Data Sheet.