TYTRO® RM 475

Rheology-modifying and mix-enhancing admixture for shotcrete

Product Description

TYTRO® RM 475 is a rheology-modifying and mix-enhancing admixture formulated for shotcrete applications. TYTRO® RM 475 is based on a high molecular weight polymer that is designed to improve cohesion, flow, lubricity and “softness” to concrete.

Product Advantages

  • TYTRO® RM 475 is a workability/pumpability - enhancing admixture which reduces friction within a shotcrete mix, making placing, pumping and finishing much easier.
  • Shotcrete produced with TYTRO® RM 475 is especially suitable for large scale tunneling and mining applications as it has neutral setting time and high early strength, allowing rapid progress to be achieved.
  • Reducing or eliminating the amount of silica fume required.

Compatibility with Cements

TYTRO® RM 475 can be used with all types of Portland Cements and it is effective in concretes containing pulverised fly ash and/or ground granulated blast furnace slag. For use with special cements we recommend that you consult your local GCP representative.

Compatibility With Other Admixtures

TYTRO® RM 475 is compatible with TYTRO® shotcrete admixtures. The performance of the material may be affected by the presence of other chemicals and we would recommend that GCP Applied Technologies be consulted in such circumstances.

Method of Use

TYTRO® RM 475 is supplied ready to use. When producing high workability concrete TYTRO® RM 475 should be added “up-front” with the initial part of mix water followed by other admixtures.

    Dispensing Equipment

    Please contact your local GCP representative for further information regarding the dispensing equipment for this product.

    Addition Rates

    TYTRO® RM 475 can be used at 500 - 1,000mL /m3. As with most products of this type, the magnitude of the effect obtained with TYTRO® RM 475 is governed by the quantity of product used, water-cementitious ratio, and the specific nature of concrete and its constituent materials.

    It is necessary therefore to assess performance under site conditions using site materials to determine optimum dosage and effect on both plastic and hardened shotcrete properties, such as cohesiveness, workability retention, set characteristics, early rate of strength gain, ultimate compressive strength and shrinkage when these are of consequence. For advice and assistance with your trials we would recommend that you consult GCP Applied Technologies.

    Health and Safety

    TYTRO® RM 475 is formulated from chemicals which present no fire or health hazards. If, however, it is spilled, the floor will be made slippery and should be washed down immediately with cold water. For further information, see TYTRO® RM 475 Material Safety Data Sheet, or consult GCP Applied Technologies.

    Packaging

    TYTRO® RM 475 is supplied in 205L drum and 1,000L tote-tanks.

    TYTRO® RM 475 should preferably be stored protected from frost. If the product does become frozen, it should be carefully mixed after thawing out to restore it to its normal state.

    gcpat.uk | United Kingdom customer service: +44 (0) 1480 478421

    We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us. No statement, recommendation, or suggestion is intended for any use that would infringe any patent, copyright, or other third party right.

    TYTRO is a trademark, which may be registered in the United States and/or other countries, of GCP Applied Technologies, Inc. This trademark list has been compiled using available published information as of the publication date and may not accurately reflect current trademark ownership or status.

    © Copyright 2018 GCP Applied Technologies, Inc. All rights reserved.

    This document is only current as of the last updated date stated below and is valid only for use in the United Kingdom. It is important that you always refer to the currently available information at the URL below to provide the most current product information at the time of use. Additional literature such as Contractor Manuals, Technical Bulletins, Detail Drawings and detailing recommendations and other relevant documents are also available on www.gcpat.uk. Information found on other websites must not be relied upon, as they may not be up-to-date or applicable to the conditions in your location and we do not accept any responsibility for their content. If there are any conflicts or if you need more information, please contact GCP Customer Service.

    Last Updated: 2022-11-24

    https://gcpat.uk/en-gb/solutions/products/tytro-shotcrete-system/tytro-rm-475