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CETCO TBM-PRO is a ‘dual application’ sodium bentonite produced for tunnel projects utilising TBM Slurry-Mode while also requiring a low bleed backfill grout/annulus grout. CETCO TBM-PRO an easy mixing, high quality 200 mesh product made from naturally occurring sodium bentonite. It is made from the highest grade Australian sodium bentonite and is selectively mined & produced for use within the tunnelling & civil engineering sectors. CETCO TBM-PRO meets the performance criteria of the American Petroleum Institute (API) 13A, Section 11 specification and typically provides bleed of <5% at 24 hours.

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