Mapei additives

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Additives, admixtures

Text of Mapei additives

CEMENT GRINDING ADDITIVES DIVISION

CEMENT GRINDING ADDITIVES DIVISION

INDEX

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THE WORLD OF MAPEI LIQUID ADMIXTURE DIVISION CEMENT GRINDING ADDITIVES DIVISION TECHNICAL BACKGROUND OF MAPEI GRINDING AIDS A BRIEF OUTLINE OF AN ANALYSIS OF THE SEPARATION PROCESS

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PRODUCTS MA.G.A./C Technical Data Sheet Industrial Trial with MA.G.A./C1 Industrial Trial with MA.G.A./C2

37 39 41 51

MA.G.A./M

Technical Data Sheet

61

MA.P.E./S

Technical Data Sheet Industrial Trial with MA.P.E./S

63 65

MA.P.E./W

Technical Data Sheet Industrial Trial with MA.P.E./W1

77 79

MA.P.E./A

Technical Data Sheet

89

MA.P.E./Cr 05 Technical Data Sheet Scientific Background Industrial Trial with MA.P.E./Cr 05

91 94 100

The World of Mapei

Founded in Milan in 1937, Mapei is todays world leader in the production of adhesives and chemical products for building. Starting in the 1960s Mapei put its strategy of internationalization into action in order to have maximum proximity to the needs of local markets and reduction of shipping costs to a minimum. The Group now counts 57 subsidiaries with 54 production facilities in operation in the 5 continents in 24 different countries. Furthermore, Mapei has developed a sales and technical service network with offices all over the world and offers an efficient Technical Assistance Service that is much appreciated by architects, engineers, contractors and owners.

Group Headquarters Mapei S.p.A. viale Jenner, 4 Milan - Italy

TO BE OUR CUSTOMERS BEST SUPPLIER We offer our services as a business partner and we are highly committed to provide our customers solutions with a high added value.

TO BUILD A PARTNERSHIP WITH OUR STRATEGIC SUPPLIERS We are committed to ensuring that our strategic suppliers turn meeting our needs into an opportunity to jointly design new products and solutions which can also cater for the latest market requirements.

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TO ALWAYS KEEP ONE STEP AHEAD We try to anticipate designers requirements and interpret business and building-site needs.

TO INNOVATE CONSTANTLY Every year we strategically invest more than 5% of our overall turnover in Research & Development.

TO BUILD A WINNING AND COMMITTED TEAM Our most precious resource is the value of our team: we work together passionately and grow professionally thanks to constant training. TO BE DETERMINED TO ACHIEVE EXCELLENCE We strive to achieve ambitious goals so that we are market leaders in our chosen sectors.

THE 10 PILLARSOF OUR SUCCESS

TO ALWAYS TELL THE TRUTH A high-profile and transparent communication strategy allows us to convey and share our values with as many people as possible.

TO MAINTAIN SOLID FINANCIAL FOUNDATIONS So that we can invest in the technology and products of the future.

TO IMPROVE ALL OUR PROCEDURES BY MEANS OF QUALITY CONTROLA All our products and services conform to the highest ISO 9001 certified standards.

TO BE AT THE CUTTING-EDGE IN TERMS OF ENVIRONMENTAL SAFETY AND HEALTH We attach great importance to the environmental sustainability of our products, the eco-friendly nature of our procedures and the safety of our customers, workmates and entire community.

Mapei has always devoted a lot of effort to research. 5% of turnover are allocated to investments in this field of activity. 12% of Mapei employees work in research.

Research and DevelopmentMapei has always placed great emphasis on research. So much so, in fact, that 5% of its turnover is invested in Research & Development and 70% of its R&D efforts are directed to develop eco-sustainable and environment friendly products which meet LEED requirements. Mapei boasts eight main research centres: three in Italy (Milan, Villadossola and Treviso), one in Canada (Laval), one in the United States (Deerfield Beach), one in France (Toulouse), one in Norway (Sagstua) and one in Germany (Wiesbaden). Research staff make up approximately 12% of the companys total workforce. The Milan Research Centre is the biggest, in terms of staff, and also co-ordinates the work of the other seven laboratories. In addition, it acts as a central analytical laboratory for the whole group. Mapei recruits more new employees in research than in any other area, with priority given to graduates and other qualified students. The laboratories are equipped with avant-garde equipment and work in close contact both with each other and with universities and other scientific and industrial research institutions. They also provide back-up technical assistance to help solve customers most complex problems. There are further quality control laboratories in all of the Groups 54 factories.

Our commitment for the environment More than 150 MAPEI products, featuring the Green innovation mark, help to contribute valuable points toward LEED-certified projects.

THE WORLD OF MAPEI

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2008. ROBBIANO DI MEDIGLIA (MILAN) In the picture, the main manufacturing plant of the 54 facilities of the Mapei Group. In 2008 the expansion project of Robbiano di Mediglia plant is still ongoing with the new wall finishing production line.

Liquid Admixtured Division

Bridge over the River Danube, Hungary

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Integrated solutions for the cement-concrete sector, for lower consumption of non-renewable raw materials, to reduce CO2 emissions and increase the service life of structures.

CEMENT GRINDING ADDITIVES

CONCRETE ADMIXTURES

more less

energy efciency

more less

durability

clinker and CO

non-renewable raw material

HPSS* SYSTEM

UNDERGROUND TECHNOLOGY TEAM

more less

more less

respect for the environment and health waste material

durability, safety and energy efciency

non-renewable raw materials

* HPSS System High Performance Solidification System for treating contaminated ground and sediments

Cement Grinding Additives Division

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CEMENT GRINDING ADDITIVES DIVISION Founded in 2000, D.A.M. (Divisione Additivi di Macinazione) has grown an astonishing 30% every year in terms of turnover and volume, thanks to innovative and highquality products combined with technical support and dedicated Research and Development. Today, supported by the groups structure and expertise, D.A.M. is supplying all major cement groups worldwide, offering new technologies and local technical assistance. By combining high quality raw materials, fully computer-based production facilities and specific expertise in terms of product chemistry, industrial employment and grinding plant technology, D.A.M. is able to guarantee high levels of customer assistance and product quality.

R&D By investing over 5% of its turnover and 12% of its Human Resources in Research and Development, the Mapei Group has become market leader in terms of innovation. The dedicated D.A.M. scientists at Mapeis Research Centres not only develop new raw materials and grinding aid components, but are also active in customer support. In fact, Mapeis state of the art laboratories allow D.A.M. to perform specific and in-depth clinker and cement analysis in order to optimise the use of Grinding Aids and to offer customized solutions for cement performance enhancement and production improvement.

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ECO-SUSTAINABILITY Mapei grinding admixtures form a system of innovative solutions for cement works; they allow a reduction in clinker while offering the same mechanical performance of cement, thus guaranteeing a reduction of 5-10% in CO 2 emissions and a saving in nonrenewable raw materials. TAG TEAM (Technical Assistance Group) A team of experienced process engineers from the cement industry joined D.A.M. in order to provide specific technical assistance to D.A.M. customers. By performing complete plant audits and by analysing the grinding circuits performance, they are able to assist D.A.M. customers with the implementation of Grinding Aids and to optimise the grinding process in all its aspects.

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Our Products

Product Group

Description

Typical Dosage

Production Strength Workability* Air Cr(VI) Typical CO2 Increase* Increase* Entrainment* reduction* Application Reduction

MA.G.A./C

Highly concentrated, high performance grinding aids, suitable for grinding of all cements.

200 - 400 g/t

All Cements

MA.G.A./M

Highly concentrated, high performance grinding aids, particularly suitable for grinding of minerals. Grinding aids, strength improvers, specically formulated for grinding of blended cements (pozzolanic, blast-furnace slag and y- ash cements).

300 - 600 g/t

Minerals and Raw Materials

MA.P.E./S

1000 - 2000 g/t

Blended Cements

Grinding aids, strengths and workability (ow) improvers, specically MA.P.E./W formulated for grinding 1000 - 2000 g/t of blended cements (pozzolanic, blast-furnace slag and y- ash cements).

Blended Cements

MA.P.E./A

Additives formulated for grinding of masonry cements (Air Entrainment).

400 - 800 g/t

Masonry Cements

MA.P.E./Cr

Specic additives for Cr(VI) reduction.

50 g/t ppm

All Cements

*

at typical Dosage Possible Recommended Highly Recommended

Please contact us dircetly for specific product selection, assistance and technical documentation.

Technical background of Mapei Grinding Aids

1. THE AGGLOMERATION PHENOMENA During the grinding process, the increase rate in the specific surface proportionally decreas