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Lost Foam Pattern
To provide a lost foam pattern which restrains the development of surface defect, etc., caused by the development of return-back of molten metal by locally becoming excessive rising of the molten metal surface in a bottom pouring casting plan in the lost foam pattern casting method and can produce a cast product excellent in the quality.
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Tel:+86-570-3888828 3888789
E-mail: info@zj-castchem.comThe lost foam pattern is formed by combining an ordinary material range composed of foamed poly styrene and a specific material range 2a composed of the foamed material of copolymer of methyl methacrylate and styrene or formed poly methyl methacrylate.
By this constitution, the progressing state of molten metal progressing while losing the pattern, is controlled according to the position and the shape of the specific material range. In this result, e.g. It is restrained that the rising of the molten metal surface in the bottom pouring casting plan locally becomes excessive and the cast product excellent in the quality without developing the surface defect can be produced.
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Tel:+86 17857651655
Whats app/ WeChat: +86 17857651655
Email：eowyn@zj-castchem.com
International Sales Department: Eowyn Jiang
