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化學(xué)配方數(shù)據(jù)庫(kù)

配方類型：	MISCELLANEOUS
配方說(shuō)明：	Antifoam Solution
配方組成：	Xylol/90.0 "Antifoam" A Compound/10.0
配制方法：	Mix well, Before using-It is adviseable to shake. The use of this 10% dispersion has the advantage that workmen are less likely to use excessive amounts. In actual use-in Laboratory work one to t wo drops from a medicine dropper will be found to be highly effective on lab cooks (resin esterification reactions) involving 2500 g. In Factory Size Cooks-500 Gal Kettles-5 c.c. (one teaspoonful) will break the foam that starts forming at about 375F on the initial up-heat. Amounts in excess of 10 parts per million are to be avoided. Amounts over this can have disastrous surface effects, such as cratering, silking, floating, etc. of organic coatings.

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