Subzero Drill Cutting Removal Foam

BioFoam Subzero

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    Trenchless and Technical Drilling Fluids & Additives

    BioFoam Subzero

    Earth Pro BioFoam Subzero is a surfactant blend foam for drill cutting removal in under-balanced fluid systems. This foaming agent is a freeze-protected alternative to standard BioFoam. Used primarily as a drilling foam that carries drill cuttings to the surface, Earth Pro BioFoam Subzero can also be used as a dust suppressant and as a discharge auger coolant.

    Earth Pro BioFoam Subzero is a freeze-protected alternative to standard BioFoam.

    BioFoam Subzero Product Sheet
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    pail of biofoam subzero

    Features & Benefits

    • Used in air rotary drilling (all disciplines) and underground tunneling
    • Highly dispersible in water
    • Freeze protected
    • High-foaming long half-life


    Earth Pro BioFoam Subzero concentration should be 2-6L per 400L water for regular foam and gel foam applications. For dust suppressant, 0.25-0.5L per 400L and for mist drilling, 1-2L per 400L water.

    Mixing & Handling

    Earth Pro BioFoam Subzero can be added directly to makeup water with mild agitation to ensure even mixing or injected directly into the water line with a chemical pump capable of metering proper treatment levels for drilling foam.

    If polymers are to be used with the foaming agent, premix them in the makeup water. Utilize eye/skin protection and a dust mask when mixing.

    Physical and Chemical Properties

    Appearance: Amber liquid
    Specific Gravity: 1.07
    Pour Point: < -40°C & F
    Flash Point: <29°C
    Boiling Point: 106°C
    Solubility: Soluble in water
    pH: 11.0-12.0


    WHMIS: B2, D1B, D2A, D2B
    TDG: Regulated (See SDS)
    Packaging: 20L pail

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