not sticky,good air permeability?2)Application fieldClosed Cell Silicone Sponge square cord、Silicone Sponge strip is made of silica collagen material and foaming agent, so it is also called foamed silica gel strip. Used for door sealing strips of high temperature ovens, ovens, high temperature resistance ovens, dust collectors, high temperature muffles, electrical appliances, box type high temperature ovens, etc. Lighting industry, electrical appliances industry, electronic industry, small hou