Does glass glue really contain formaldehyde?

The use of the glass glue in family decorating is very extensive, have a lot of application above especially in the seal of door window and wei Yu glass.Glass glue is usually acidic and neutral. In the curing process, glass glue will release a small amount of irritating gas, which has an irritating effect on human eyes and respiratory tract. Although most glass glue on the market releases a small amount of formaldehyde in use, but the formaldehyde in glass glue is volatilized easily, volatilize soon after using commonly. In other words, there is no danger of glass glue after completely curing.And there are a lot of glass glue on market at present already did not contain formaldehyde