Cement composition for extrusion
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United States of America Patent
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-
Sep 10, 1991
Grant Date -
N/A
app pub date -
Apr 28, 1989
filing date -
May 6, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cement composition for extrusion which is produced by incorporating, into cement mortar, 3 to 15 weight % of crushed pulp fiber, 0.2 to 1 weight % of at least one member selected from an alkylcellulose and a hydroxyalkylalkyllcellulose, and a 2% water solution having a viscosity of 80,000 cps or more allows for reduced production costs by reducing the loads of the binder material using a pulp fiber without carcinogenicitic asbestos fiber. Furthermore, it allows for excellent extrudability and provides the moldings with workability such as nailing and sawing.
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