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    Chemical, Mineral & Cementitious Grouting

    Pre-Injection and Post-Injection Technologies

    Unexpected water ingress and poor ground conditions during mining and tunneling operations can cause significant problems for underground contractors. Pre-injection and post-injection technologies from BASF offer high-performing chemical and non-chemical products suitable for:

    • Water and crack sealing, void-filling
    • Strata stabilization, ground consolidation, structure repair

    Chemical, Mineral & Cementitious Grouting Products

    Ground Consolidation

    MasterRoc MP 300

    Re-swells upon exposure to moisture after dry periods | Cured material is a highly flexible gel | Excellent adhesive properties, even on damp or wet surfaces

    MasterRoc MP 325

    Low viscosity, single-component hydrophilic chemical grout | For sand and silt strata consolidation | Environmentally safe with no solvents or toxic components

    MasterRoc MP 309

    Acrylic system with hard cured gel | Compact gel with high compressive strength and superior flexibility | Ideal for silty and sandy ground consolidation

    MasterRoc MP 650

    Microfine cement for water sealing and ground stabilization | Easy penetration into tight joints, fissures, pore spaces

    MasterRoc MP 900

    Ultrafine cement with superior penetration characteristics | Suitable for pre-injection and post-injection
    Grout Additive

    MasterRoc FLC 100

    Powdered Rheo-plastic additive for cement-based grout | Produces flowable and non-shrinking grout with high strength | Low water-cement ratio with effective bleeding water control
    Injection Accessories

    MasterRoc MP 231 CLN

    Organic-based solvent that is nonflammable and is free of water | Suitable for cleaning injection pumps, lines, and other associated equipment | Flash point 414 °F (212 °C)​

    MasterRoc EQ 250 OR

    Oakum rope used with BASF chemical grouts | Seal cracks, joints, annular spaces | Excellent absorption

    MasterRoc EQ 512 PK and MasterRoc EQ 558 PK

    Mechanical packers for high-pressure chemical grout injection | Expandable rubber sleeves | Snug fit and solid connection

    MasterRoc MP 230 CLN

    Non-hazardous solvent for cleaning injection equipment | Rust proofing | High flash point (> 390°F/200°C)
    Void Filling & Cavity Fill

    MasterRoc MP 358SC

    Highly-reactive hydrophobic polyurethane | High flexibility and high structural strength | Not sensitive to water

    MasterRoc MP 355

    Polyurethane reacts with or without water | Forms rigid foam or rubber-like material | For stopping high volume water

    MasterRoc MP 367 Foam

    Highly reactive polyurea silicate foam for filling strata cavities | Closed-cell foam for water tightness | Excellent adhesion to wet substrates
    Water & Crack Sealing

    MasterRoc MP 304

    Acrylic system with highly flexible cured gel | Low viscosity, fast-reacting, adjustable gel time | Accommodates structural and ground movements

    MasterRoc MP 368

    Fast reacting polyurea silicate with excellent adhesion to concrete | Fast bond and compressive strength development | Does not absorb water

    MasterRoc MP 307CE

    Acrylic system with rubber-like cured gel | Non-shrinking, not sensitive to water, withholds high pressure

    MasterRoc MP 368 TIX

    Fast-reacting | Solvent-free | Specifically designed for rapid ground consolidation in strata with open cracks at the surface

    MasterRoc MP 355 1K

    Single-component hydrophobic polyurethane | For stopping medium water ingress | Adjustable reaction time

    MasterRoc MP 355 1K DW

    Sigle-component hydrophobic polyurethane with flexible foam | Use in structures for drinking water
    Underground Chemical Grouting

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

    Related Literature

    Chemical Grout Application Guide

    pdf (1.29 Mb)

    Chemical Grout Performance Guide

    pdf (1.09 Mb)

    Underground Water Management Brochure

    pdf (2.85 Mb)