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With more than 100 years of alumina expertise, Almatis is the world’s leader in the development, manufacture and supply of premium alumina and alumina-based products.

Almatis is both a global and fully integrated producer, serving our customers from fourteen strategically located sales, research and manufacturing sites.

Our employees strive to exceed customers’ expectations through industry leading customer service, technical support and manufacturing excellence. We implement leading technologies and continuous improvement programs, which have established Almatis products as the benchmark for quality and consistency.

Our commitment to strong partnerships with our customers creates innovative solutions that support and enhance their growth in all regions of the world.

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FlameGard

BayGranite

FlameGard™ is a ground Bayer hydrated alumina designed for specific application in polymeric adhesive backing of tufted carpeting to provide a level of flame retardancy to the carpet system. It is specially ground to maintain relatively coarse particle distributions in the median range of 22 to 26 microns and provides a high loading potential in high viscosity backing compounds. FlameGard ATH has a slight off-white or ivory color that is acceptable in most applications.

FlameGard™

BayGranite™ is an inorganic hydrated alumina designed for use in polymer systems as a flame retardant and smoke supressive additive. BayGranite® 17 is more accurately designated chemically as aluminum trihydroxide, Al(OH)3, and is produced through processing of alumina-bearing feedstocks. Although BayGranite® 17 is a dry powder, when heated above approximately 220°C it decomposes into approximately 35% water and 65% alumina by weight. BayGranite®17 is a nonabrasive, low density material with a Mohs hardness index of 2.5 - 3.5 and a specific gravity of 2.42. Almatis BayGranite®17 ATH is compatible with polymer systems, and is designed for applications that require low-soda ATH products.

BayGranite™

Almatis

With more than 100 years of alumina expertise, Almatis is the world’s leader in the development, manufacture and supply of premium alumina and alumina-based products.

Almatis is both a global and ful

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Formulations - Almatis - Knowde

1992 - New Sinter Spinels for Castables in Steel Applications (en)

1996 - High Alumina Cements & Chemical Binders (en)

2013 - Supply and Demand of High Alumina Raw Materials for Refractories in Europe (en)

1997 - New Developments of Tabular Alumina and Tabular Alumina Spinel Castables (en)

2002 - Raw material concepts for SiO2 free high strength castables in the temperature range up to 1200°C (en)

2013 - Energy Saving in Walking Beam Furnaces at ArcelorMittal (en)

2015 - Lessons on aging (en)

2006 - Aging behaviour of Alphabond and Calcium Aluminate Cement bonded castables (en)

2015 - Spinel Formation and Technical Properties of Alumagcarbon Bricks with Different Alumina Aggregates (en)

1998 - New Insulating Raw Material for High Temperature Applications (en)

2016 - The value of additives in refractory castables – Industrial castable aging trials (en)

2011 - Advantages of Calcium Hexaluminate in a Corrosive Environment (en)

2005 - Improvements in workability behaviour of calcia-free hydratable alumina binders (en)

2001 - Innovative ceramic fiber free ladle preheaters at CORUS Steelworks Ijmuiden (en)

2016 - Case Studies on Optimization of Selected Value-added Premium Aluminas to Attain a Comprehensive Leap in the Refractory Properties (en)

2005 - Almatis global product concept for the refractory industry (en)

2004 - E-SY Pump - The new solution for pumpability of silica free high performance tabular alumina and spinel castables (en)

2011 - New european sinter aggregate with 96 % Al2O3 (en)

2012 - Rheology of High Performance Alumina and Spinel Castables (en)

2000 - Synthetic alumina raw materials - key elements for innovative refractories (en)

2009 - E-SY Alumina for easy to use high-performance castables (en)

1983 - Fine Aluminas for High Performance Refractories (en)

1994 - The influence of SiO2 and Spinel on the hot properties of high alumina low cement castables (en)

2008 - Latest Development in Refractory Monolithics (en)

2016 - Comparison of Silica-sol and Low Cement Bonded Tabular Alumina and Spinel Castables (en)

2000 - Innovative Refractory Solutions Using a New Microporous Material for Kiln Cars in the Ceramic Industry (en)

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