Differentiate Facing Sand and Parting Sand
Differentiate Facing Sand and Parting Sand
Points : Differentiate Facing Sand and Parting Sand, Comparison between Facing sand and Parting sand
Facing Sand
This sand forms a very well face of the mould. Facing sand is use straight next to the
surface of the pattern and it comes into contact by the molten metal while the mould is
pour. It is thus, subject to the mainly brutal condition and thus must possess high
strength and refractoriness. It is prepared of silica sand with clay, with no the adding of
use sand. This sand might contain a thickness of 10-25 mm, unusual types; of carbon
identified as facing materials are use to avoid the metal as of flaming into the sand.
Parting Sand
Parting sand mould is usually arranged in two or three boxes. Those boxes are divided as
of adhering to each other by spreading fine sharp dry sand call parting sand. This sand is
moreover using to remain the green sand as of sticking to the pattern. It is clean clay-free
silica sand. A few time burnt core sand, i.e. core Sand clean as of castings. They are in
crushed shape and use by dusting them one parting surface.
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