Product details: Appearance: black flexi vinyl barrier Color: charcoal grey STC: 28 Mass: 1 lb / square FT Material thickness: 0.09" Temperature resistance: -40 F to 220 F (-40 C to 105 C) Chemical resistance: resistant to water and mineral oils Dimensions: 17 x 12 x 6.5" (438 mm x 311 mm x 165 mm) Backwave foam Dimensions: 13.5 x 9 x 1" (343 mm x 229 mm x 25 mm) Mass: 0.16 lbs / FT^ 2 (0.78 kg / m ^ 2) Density: 2.0 lbs / FT ^ 3 (0.125 kg / m ^ 3) Tensile strength: 15 PSI Tear strength: 1.9 Thermal conductivity (R): 1.9 (hr-FT^ 2 degrees F / BTU) Standards: meets UL94 HF-1 Temperature range (resistance): -40 F to 225 F (-40 C to 107 C) Sound snake Thickness: 1.5" (38.1 mm) total Density: 2.0 lbs / FT ^ 3 (0.125 kg / m ^ 3) Tensile strength: 1.9 Thermal conductivity (R): 1.9 (hr-FT ^ 2 degrees F / BTU Temperature range (resistance): -40 F to 225 F (-40 C to 107 C) DYNIL Appearance: black flexi vinyl barrier Color: charcoal grey Standards: meets UL94-V0 Temperature range (resistance): -40 F to 220 F (-40 C to 105 C)