TekNational, Inc.
Statex™ Product Data

Formex™, Formex™ GK, and Statex™



In the 1980’s the need for a low-cost durable electrical insulation material resulted in the development of a flame retardant plastic material by the ITW Technology Center. Today, three grades of material are marketed under the Formex™, Formex™ GK, and Statex™ brand names. All are UL recognized electrical insulators.





Formex™, Formex™ GK, and Statex™ materials are used to comply with UL, CSA, IEC, VDE, TUV, BSR or MITI standards when there is a need for electrical insulators and barriers. This unique product family has successfully replaced a variety of flame retardant sheet materials including polycarbonate, polyester, PVC and aramid papers.




Formex , Formex GK and Statex have the following features:

                        • UL 94V-0 Flame Class Rating
                        • Non-hygroscopic (moisture absorption < 0.1%)
                        • Excellent dielectric strength
                        • Superior score and folding ability
                        • Economical

*Product is line-marked on treated side with carbonless black ink.

Notice: The above information is believed to be accurate and reliable.

We assume no responsibility for end use applications and no performance warranty is expressed or implied.

Static Dissipative Flame Retardant Polypropylene Sheet
Thickness - inch.010+.003/-.0015.018+.004/-.002.031+.004/-.000
Thickness - millimeter.25+.08/-.04.46+.10/-.05.79+/10/-.00
Tensile Yield - psiASTM D-882
Machine Direction480048004800
Transverse Direction360036003600
Density - gm/ccASTM D-7920.9880.9880.988
FlammabilityUL 94VTM-0V-0V-0
Oxygen IndexASTM D-2863282828
Water Absorption - % change in weightASTM D-5700.01%0.01%0.01%
Heat Deflection Temperance at 66 psiASTM D-648106°C/223°F106°C/223°F106°C/223°F
Relative Thermal IndexUL 746B
Mechanical Without Impact95°C/203°F100°C/212°F101°C/223°F
Static Decay - seconds (Federal Test Method 101C)ASTM D-257<2<2<2
Surface Resistivity - ohms/squareASTM D-257109 to 1011109 to 1011109 to 1011
Dielectric Breakdown - voltsASTM D-14917,50027,54037,200
Dielectric Strength - volts/milASTM D-149175015301200
Volume Resistivity - ohm-cmASTM D-257146x1015146x1015146x1015
Dielectric ConstantASTM D-1502.32.32.3
Dissipation FactorASTM D-1500.00090.00090.0009
High Current Are Ignition - arcs to igniteUL 746A11323195
High Voltage Are Tracking - in/minUL 746A000
Hot Wire Ignition - secondsUL 746A61121
ASTM D-3638600600600