Size | 50lb, 10lb |
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Hydroperm Plaster
Hydroperm is a formulated product incorporating an air-entraining agent to provide permeability. For producing permeable plaster molds to cast many non-ferrous metals and alloys.
Hydroperm is used to produce permeable plaster molds for casting of many non-ferrous metals and alloys.
Properly prepared molds made with Hydroperm Cement have a permeability range which can be varied and controlled to meet particular requirements of the various non-ferrous metals and have an extremely smooth surface. Just under the surface is a porous structure of small uniform cells that are interconnected. When the mold is dried, they offer channels through which steam or other mold gases may escape during the metal-casting operation.
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