MasterRoc MF 509 — Hybrid polymer admixture for improving cementitious mining backfill mixes

Formerly: MEYCO Minefill 509

Field of application

MasterRoc MF 509 is a liquid admixture for making better, more uniform and more predictable higher quality cementitious backfill mixes

  • Paste fill
  • Hydraulic fill
  • High density fill
  • Cemented aggregates and
  • Cemented rockfill

The benefits of MasterRoc MF 509

MasterRoc MF 509 admixture aids in the production of backfill mixes with these special qualities:

  • Greater pumpability with superior rheology
  • Extended workability retention
  • Reduced water content for a given consistency
  • Can increase strength – compressive & flexural
  • Greater economy in a mix designed for a given strength, slump and air content
  • Easier placement - economy in placement
  • Increased durability
  • Potential cost savings and binder reduction
  • Reduces pumping pressure and shear viscosity of the fill


MasterRoc MF 509: Technical Data Sheet (December 2015)

pdf (199.19 Kb)

MasterRoc MF 509: Technical Data Sheet (December 2015)

pdf (183.09 Kb)