Kydex Thermoplastics
Kydex Thermoplastics is part of the SEKISUI SPI product portfolio


Manufactured by SEKISUI SPI, Kydex is a thermoplastic material used in the manufacturing of gun holsters, mag carriers, flashlight carriers, and other gear. Kydex holsters and carry accessories are produced by several holster manufacturers and are available in a wide variety of designs and colors.

KYDEX Used by Holster Manufacturers

Several variations of KYDEX sheets are manufactured. Each variation exhibits physical properties that differentiate it from the others. The KYDEX sheets most commonly used by holster manufacturers include KYDEX 100 and KYDEX T.


  • KYDEX 100 is available in a wide range of standard and custom colors, textures, and sheet sizes. It is Underwriters Laboratories, Inc recognized for UL Std 94 V-0, 5V and has 961 J/m (18 ft-lbs/in) Notched Izod impact resistance.


  • KYDEX T is less hygroscopic, it typically does not require pre-drying, offers superior impact, more uniform forming with less wall thinning and offers significantly greater resistance to a broad range of corrosive chemicals and cleaning solutions.