Tunnel Boring Machine (TBM) additives

Speciality chemicals for Tunnel Boring Machines (TBM) including standard and polymerised soil conditioners, tail sealants, main bearing greases and more.

Normet have a full range of admixtures to suit all TBM backfill grout application methods, together with experts in the field to support you all the way.

Normet anti-dust and anti-wear agents are designed to significantly reduce disc cutter wear, temperatures, cutter blockages and dust levels.

Normet Tunnel Boring Machine greases combine good adhesion and cohesion properties with excellent lubrication properties. They prevent ingress of soil and water.

A range of environmentally friendly soil conditioners for different soil types and water conditions designed to reduce wear and improve the performance of TBMs.

Normet offers a range of tail sealant greases for shielded TBM use that cover first fill, high performance and economic driving grade applications.

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