Alcohol Based

Ethyl Silicate Investment Casting Binders

 

Alcohol based, ethyl silicate binders were formerly the most common binder for the production of ceramic shells in the investment casting industry. Through an ammoniating process, ethyl silicate binders can gel rapidly through increasing the pH, decreasing shell drying times.

If your foundry is considering replacing alcohol based ethyl-silicate binders with water based, colloidal silica to reduce the emission of volatile organic compounds (VOCs) or improve the quality of your castings, have a look at our REMASOL® colloidal silica binders. Remet’s staff are experts in managing this conversion, delivering cost savings, process improvements and higher quality castings.

 

Ethyl Silicate 40

Product Information

WACKER SILICATE TES 40 WN is a mixture of tetraethyl orthosilicate and ethyl polysilicates, which can be used as a source of finely divided silica. It is used as a binder for precision investment casting molds. It is also used in formulating inorganic zinc rich protective coatings.

It must be hydrolyzed before it can be used as a binder in either the investment casting shell or solid mold processes; and as a binder for inorganic zinc rich protective coatings.

 

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Silester® A-1

Product Information

SILESTER A-1 is a proprietary prehydrolyzed hybrid ethyl silicate binder. The specially formulated ready-to-use product is optimized to give maximum mold strength and slurry stability over a wide range of foundry operating conditions for both shell and solid investment casting molds.

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REMET® Prehydrolyzed Ethyl Silicate

Product Information

REMETƒ‚® prehydrolyzed ethyl silicates (PES) are designed specifically as a ready-to-use binders for both shell and solid investment casting molds.ƒ‚ Available in three standard silica concentration formulations.

  • REMET R18 PES is formulated to 18% silica content.
  • REMET R20 PES is formulated to 20% silica content.
  • REMET R25 PES is formulated to 25% silica content.

 

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Custom Hydrolysis

Product Information

Custom Hydrolysis is available to meet your needs for specific Hydrolysis level, Silica concentration, and choice of alcohol (Ethanol or Isopropanol).

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