A process for preparing {HEAD ~ an organosilicon high condensation product} having no silanol group in the terminal of the molecule the process comprising {TAIL ~ the two steps} of hydrolyzing a mixture of 5 to 95% by weight of an organosilicon compound represented by the formula ##STR7## wherein R is C1 C4 alkyl and 5 to 95% by weight of an organosilicon compound represented by the formula 
A process for preparing { HEAD ~ an organosilicon high condensation product } having no silanol group in the terminal of the molecule the process comprising { TAIL ~ the two steps } of hydrolyzing a mixture of 5 to 95 % by weight of an organosilicon compound represented by the formula # # STR7 # # wherein R is C1 C4 alkyl and 5 to 95 % by weight of an organosilicon compound represented by the formula
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