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US 9,433,997 B2Granted
Inorganic binder composition for casting
AssigneeDr Axion Co., Ltd.
InventorsMan Sig Lee, Min A Bae, Myung Hwan Kim, Sang Ho Ha
Life of this patent
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Abstract
The present disclosure relates to an inorganic binder composition for casting, including: water glass of 40 to 70 parts by weight; nano-silica of 5 to 35 parts by weight; a Li-based water resistant additive of 0.1 to 10 parts by weight; an organic silicon compound of 0.1 to 10 parts by weight; and an anti-sand burning additive of 1 to 10 parts by weight. Furthermore, the present disclosure relates to a core manufactured by using the inorganic binder composition and a cast manufactured so as to include the core.
Claims7
An inorganic binder composition for casting, comprising:
- water glass of 40 to 70 parts by weight;
- nano-silica of 5 to 35 parts by weight;
- a Li-based water resistant additive of 0.1 to 10 parts by weight;
- an organic silicon compound of 0.1 to 10 parts by weight;
- and
- an anti-sand burning additive of 1 to 10 parts by weight.
3 more elements
Dependencies are inferred from the claim text.