| 摘要 |
PROBLEM TO BE SOLVED: To provide a release agent increased in the diversion number of times, not bonded to cement when a form is released and having sufficient weatherability. SOLUTION: This release agent for a cement form is prepared by mixing 0.2-10 pts.wt. of zinc oxide with a mean particle size of 2μm or below with 100 pts.wt. of a curable composition based on an alkoxysiloxane. COPYRIGHT: (C)2005,JPO&NCIPI
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