Glass Strengthening Systems, Inc. USA
Safety and Security Film Specifications
  Visible Light Transmittance Total Solar Transmittance Total Solar Reflectance Total Solar Absorbance
Visible Light Reflectance
Winter U-Value
UV Rejected Shading Coefficient Total Solar Energy Rejected Film Gauge (Mills) Structure Break Strength Peel Strength (pi) Tensile Strength (psi)
Clear Films
2M (clear) 88% 75% 8% 14% 10% 1.04 99% 0.93 19% 2 1 ply 90 lbs 26 25,000
4M (clear) 86% 74% 8% 14% 10% 1.04 99% 0.92 20% 4 1 ply 125 lbs 26 25,500
7M (clear) 85% 71% 8% 14% 10% 1.04 99% 0.91 20% 7 1 ply 225 lbs 26 26,000
8M (clear) 83% 77% 8% 15% 10% 1.04 99% 0.92 20% 8 2 ply 275 lbs 26 27,000
11M (clear)
82% 70% 9% 20% 10% 1.04 99% 0.91 22% 11 2 ply 320 lbs 26 28,000
16M (clear)
82% 70% 10% 21% 10% 1.04 99% 0.9 25% 16 2 ply 375 lbs 22 28,300
18M (clear)
80% 67% 11% 22% 11% 1.04 99% 0.9 25% 18 4 ply 470 lbs 22 31,200
21M (clear)
79% 65% 12% 23% 12% 1.04 99% 0.88 27% 21 3 ply 400 lbs 22 30,000