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Virtually unbreakable,Tuffak® A sheet is 300-times stronger than single-strength glass, and significantly tougher than other transparent sheet materials of equal thickness. It’s unlikely that Tuffak® A sheet will break, shatter or chip when bombarded with thrown missiles such as rocks, bricks or bottles. Nor is it likely that this material will break when hammered, twisted or bent. At the same time, Tuffak® A polycarbonate sheet is light in weight, transmits 85% to 89% light in normal window thicknesses, and has good weatherability . UV-stabilized Tuffak® A sheet has good resistance to solar exposure for five to seven years in moderate climate. Such exposure over a wide temperature range does not affect its impact strength.

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Technical Information

Stock Products Properties Applications

Stock Products

Sheet 1/8″ – 1/2″ 1/8″ – 1/2″ Clear

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density g/cm^3 D792 1.2
Mechanical PropertiesUnitsASTMResults
Tensile Strength @ yield psi D638 8400
Tensile Modulus MPa D638
Tensile Elongation @Break % D638 100
Flexural Strength MPa
Flexural Modulus psi
Compressive Strength psi D695
IZOD Impact Strength Notched kJ.m^2 D256 16
Thermal PropertiesUnitsASTMResults
Coeffcient of Linear Thermal Expansion x10^-5/K C177
Heat Deflection Temp at 264 psi °F 275
Electrical PropertiesUnitsASTMResults
Surface Resistivity @60 Hz ohms/sq D257
Volume Resistivity, 50% RH ohm-cm D250
Optical PropertiesUnitsASTMResults
3mm Transparent Clear Transmittance. Total (%) % D1003
Refractive Index % D542 1.586
  • Aerospace
  • General purpose
  • Signage & Displays
  • Transportation – Rail


  • High impact resistance
  • Chemical resistance
  • Light weight
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