Charcoal gray 0.125 inch (3.2 mm) open cell urethane foam with acrylic adhesive. Very soft, conformable, low density foam which can help seal out air, dust and light when compressed 50 percent.
Additional Information
A conformable, grey, firm, low-density, open-cell urethane foam with pressure sensitive acrylic adhesive (A-30) on one side. The acrylic adhesive is protected by a 0.003 inch (0.08mm) thick tan, silicone treated paper liner.