Foundry

Dynasylan^® ethyl silicates are used as refractory binder for precision foundry.

Advantages of using ethyl silicate as a slurry binder:

• Reduced drying time between coats, and hence reduced shelling time
• Possibility to produce particularly intricate shapes
• Possibility to automate the shelling process by standardizing the drying/setting between coats
• Possibility to adjust the shell strength by chemical setting of the coat
• Reduced shelling area
• Relatively cheap air conditioning set-up

The following products are recommended:

• Dynasylan^® 40 is ethylpolysilicate base binder with a SiO₂ content of approx. 40 % Dynasylan^® 40
• Dynasylan^® AR and Dynasylan^® XAR are ready-to-use binders based on ethylpolysilicate and silica sol with a SiO₂ content of approx. 20 %
• Dynasylan^® AR
• Dynasylan^® XAR

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