... .Double-side adhesive tape base paper 2.specification:1070*12g14g,1040*12g14g,580*18g, 3.weight:12gsm,14gsm,16gsm,18gsm,etc ... , the other side can natural infilterate it. specification:1070×12g14g,1040×12g14g,580×18g,performance: rally good and high permeability, available ...