Foundry Additives

GEKO® and ECOSIL®: Natural molding sand additives in precision castings

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Unrivaled precision, smooth processability and easy shake-out for iron and steel castings: GEKO® is the effective booster for foundry productivity and perfect castings. ECOSIL® lustrous carbon former adds the finishing touch, ensuring easy mold separation, improved surfaces and increased mold stability.

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Our unique eco-friendly technologies, ECOSIL® LE and GEKO® LE, drastically reduce emissions and help foundries comply with highly demanding environmental regulations and standards. This is our two-tiered Bentonite solution to provide a one-of-a-kind efficient molding system.

  • APPLICATIONS

    • Mechanical engineering
    • Electrical engineering
    • Construction industry
    • Rail vehicle construction
    • Steel industry
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  • CHALLENGES

    Combine high stability during foundry process with easy disintegration afterwards

    To enable production of high-quality cast components and allow high-throughput rates.

     

    Minimize toxic byproducts emitted during foundry process

    To protect the health of the foundry workers as well as the environment.

     

    Create high-precision casts

    To minimize waste of material, time and money.

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  • SOLUTIONS

    Natural clay mineral-based foundry bentonite GEKO® is made out of highest quality bentonite

    It allows for highest mold stability during the foundry process, shorter mixing times and quick disintegration at knockout.

     

    Blend of high quality foundry bentonite and lustrous carbon former

    ECOSIL® increases the stability of the mold, improves casted product quality by helping to create smooth surfaces, and speeds up mold disintegration after casting. On top of that, it minimizes emission of toxic compounds.















  • MODE OF ACTION

    Good fluidity and high elasticity of sand mold

    The chemically activated foundry bentonite GEKO® deposits water molecules between the clay mineral layers, which have been expanded by the activation. It swells rapidly and thus has a good binding capacity to hold the casting mold’s grains of sand.

     

    HighRes_CLA MOBILITY CP_Foundry_6_Activation_raw_clays_theory

    MODE OF ACTION

    Easy separation of cast and mold

    The lustrous carbon former component of ECOSIL® creates a very thin shiny carbon layer around the silica grains of the mold sand, facilitating the separation of the cast from it.

    HighRes_CLA MOBILITY CP_Foundry_7_Function_clay_minerals_sand_casting_molds
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  • BENEFITS

    Clariant makes an important contribution to a quicker, more environmentally-friendly green sand casting process:

    TIME_SAVER_S

     

    Shorter mixing time = high throughput 

    LESS_EMISSIONS_S

     

    Low emmission technology

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    Smooth cast surfaces = high precision

     

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    Faster mold disintegration

     

    RECYCLABLE_MATERIALS_S

     

    Easy reuse of sand due to low contamination

  • AVAILABILITY

    Availability_Map_Foundry
  • EcoTain®

    Sustainable green sand additives

    Having the highest productivity and being a good neighbour has never been this easy for foundries. Clariant’s two-tiered solution for a drastic reduction of BTEX emissions from green sand while maintaining high throughput, clean casting surfaces and low scrap rates.

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  • Low Emission Technology

    Our unique eco-friendly technologies, ECOSIL® LE and GEKO® LE, drastically reduce emissions and help foundries comply with highly demanding environmental regulations and standards. This is our two-tiered Bentonite solution to provide a one-of-a-kind efficient molding system.

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Disclaimer:
This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application. 


* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.

* For sales to customers located within the United States and Canada the following applies in addition: No express or implied warranty is made of the merchantability, suitability, fitness for a particular purpose or otherwise of any product or service.

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