product name: kraft paper aluminum foil backed vapor barriercolor: silverw100 120 125 150 160 cmlength: 50-2500 mtensile strength (): 100n 25mmbursting strength: 35ngrammage: 120gsmwater vapor transmission: 0.02g m2 kpareflectivity: 91%-92%tensile strength (): gt-30n 25mm