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Buzzi Unicem USA Inc. Ulti-Grout. ®. Rapid Hardening Cementitious Grout, Formulated for the “Core Bore Process”. Specified Products – Outstanding Results. Buzzi Unicem USA Inc. Exclusive Manufacturer of Ultimax ® Cement. Ulti-Grout. ®. Description:. Mixing:.

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Buzzi Unicem USA Inc.



Rapid Hardening Cementitious Grout,

Formulated for the “Core Bore Process”

Specified Products – Outstanding Results

Slide2 l.jpg

Buzzi Unicem USA Inc.

Exclusive Manufacturer of Ultimax® Cement





Ulti-Grout®is a rapid hardening, sulfate resistance, general

purpose grout that is easily mixed for grouting at various consistencies,

allowing flexibility in the methodology of reinserting cores.

This rapid hardening material utilizes Qwix™, a hydraulic,

cementitious mineral blend (ASTM C 219), high in calcium sulfate

aluminum crystals. Qwix™, blended with portland cement produces

a modified type of portland cement called Ultimax® Cement.

Ultimax® Cement is a patented formula for a blended, hydraulic,

non-shrink, high performance cement that exceeds the requirements

of ASTM C-1157.

Ulti-Grout® is a pre-blended, packaged, grouting material formulated for the coring process. Add 7 to 8 pints of potable water per bag, depending on the flow requirements in the field. Mix Ulti-Grout® with a paddle mixer for 3 to 5 minutes. Place grout immediately after mixing. For optimum Ulti-Grout® performance, grout temperature should be above 68º when placing.

Product Data:



Delivery:Available in 50 pound bags.

Storage:Store as dry cement.

Shelf Life: One year in original unopened pallets.

Material Safety Data Sheets:Available upon request.

Precautions:Hydraulic cement when dry is non-hazardous. When in contact with moisture (such as eyes or on skin) or when mixed with water to make grout, it becomes highly caustic and will burn the eyes or skin. Inhalation of dry portland cement can irritate the upper respiratory system.


High Early Strengths – Develops strength faster then portland based grouts by a factor of 50 to 1.

Reduced In-Place-Costs – Flowability and

self- leveling consistency of Ulti-Grout® requires no placing in lifts or consolidating by mechanical means.

Fast Project Turn-Around - The rapid hardening properties of Ulti-Grout®allows for earlier, higher

load carrying capability so roadways can be opened

to traffic within one hour of placement.

Typical Physical Properties:

Strength: 1 Hour - 2660 psi. Min.

24 Hour - 6990 psi. Min.

Reduced Project Costs –Ulti-Grout® fast setting, high strength properties eliminates the need for plating and overnight safety barriers.

Set Time: Initial Set - 27 minutes.

Final Set - 33 minutes.

Specified Requirements – Ulti-Grout® can be formulated to meet a wide variety of project specific performance requirements including strength, set time, flow and thermal properties.

Load Bearing: 30 to 60 minutes after final set.

Length Change: 7 days - .016%.


LetBuzzi Unicem USA Inc. technical service engineers and sales representatives support your next project. For sound solutions for all of your accelerated concrete strength needs, call:

Ultimax® Ulti-Grout® meets or exceeds the

following specifications:

ASTM C 109 -01 Standard test for compressive strength of hydraulic cement mortars.

ASTM C 226 -01 Standard test for time of set of hydraulic cement by Gilmore Needle.

ASTM C 827 -01 Standard test method for change in height at early ages of cylindrical specimens of cementitious mixtures.

ASTM C 1107-01 Standard specification for performance, packaged, dry, hydraulic cement

grouts (non-shrink).

Buzzi Unicem USA Inc.

100 Brodhead Road Road, Suite 230

Bethlehem, PA 18017

Contact: Bill Krupa, Manager Specialty Qwix Products

Office: 610-882-5013

Cell: 484-264-2141

Fax: 610-868-8795

Email: [email protected]


The information contained herein is for illustrative purposes only, and to the best of our knowledge, is accurate and reliable. Buzzi Unicem USA cannot however under any circumstances make any guarantee of results or assume any obligation or liability in connection with the use of this information. As Buzzi Unicem USA has no control over the use to which others may put its product, it is recommended that the products be tested to determine if suitable for specific application and/or our information is valid in a particular circumstance. Responsibility remains with the architect or engineer, contractor and owner for the design, application and proper installation of each product. User shall determine the suitability of products for specific application and assume all responsibilities in connection therewith.