This invention the surface is the glass backing material and the glass fiber, and regarding the production method of the amino group content shiranoru chemical compound aqueous solution something which were processed the amino group content shiranoru chemical compound aqueous solution, making use of that. The amino group content shiranoru chemical compound aqueous solution of this invention, reacts with the amino alkyl silane 1 mol and the water 1.5 - 10 mols, the volatile organic component which excessive is done, the content ratio 4 weight % is under, until at the time of the said reacting it is something which can by stationary leaving doing.
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