scope:

Specifies two categories of method for the determination of the vinyl acetate (VAC) content of ethylene/vinyle acetate (E/VAC) copolymers on the basis of their designation in accordance with ISO 4613-1;One is referred to as "reference methods", the other as "test methods". The "reference methods" are used to calibrate the method used for the determination of the vinyl acetate content of ethylene/vinyl acetate copolymers. The "test methods" are other methods which can be used for the determination if they are calibrated using one of the reference methods described in clause 3 and if they show a certain permissible repeatability.