Saint-Gobain performance plastics CHR Strip-N-Stick 512AF offers the compressibility of a modified cell COHRlastic silicone fire blocking foam with a film-supported acrylic adhesive on one side. SNS products offer superior service life, excellent conformability and flexibility. - Odorless, non-corrosive, non-toxic. Other benefits include low compression set and high adhesion to a variety of substrates. Often chosen for high and low temperature resistance, gasketing, vibration damping and thermal insulation.