2. the velcanized of hydroscopicity or perviousness is good or bad: velcanized of materlal, firmness and sizing, determines its hydroscopicity or perviousness. Hydroscopicity or perviousness macherent was so bad, suppresses the infiltration of adhesive bonding; hydroscopicity or perviousness is too strong a macherent, will lead to gum the phenomenon is not gelatilization, instilla with laurocapram rubber. The former solution is binders are used in the normalization of additives, macherent surfacesf hydrophbic properties so that the binders to permeability. In addition, the appropriate amount to increase the adhesive coating is necessary. We know that the corrugrted of the first one is a pegto hang paper cord to peak gelatinize, and then contact surface in paper or a combination of snadwiched, adhesive, at any level between, affect bonding effect. For example, Texas hupingyongfa paper A company a-straw to corrugated, after sizing handles, hydroscopicity, do not use a waterproof adhesive can't get good adhesion. The latter solution is appropriate to increase the viscosity of the binders.

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