Single sided metalized film (high optical density) with high reflectivity (>0.75 - 0.95) and low emissivity surface (<0.05 - 0.25)
K610N is three layers with one external layer using metalize film bonded to kraft paper.
K610N character is stable and will not delaminate when high temperature or high humidity
Eco friendly, no crumbling or itchy material use
