Hydroperm

SKU: 802024

Size: 50 Lbs
Price:
$37.50

Description

HYDROPERM Metal Casting Gypsum Cement 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. Recommended mixer: Form-iT Disc Mixer.
Packaged in 50 Lb bag.
Properties

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.
Consult technical bulletin to obtain proper mixing procedures.
Technical Properties:
Use Consistency (100 parts of water by weight per 100 parts plaster)
Maximum Setting Expansion 0.140%
Density Wet 40.0 lb/ft3
Set Time (Hand Mix) 12 - 19 min.

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