About KYDEX

KYDEX is an acrylic-polyvinyl chloride composite engineered for thermoforming fabrication, and combines properties of both the acrylic and the polyvinyl chloride components. From acrylic, it obtains rigidity and formability; from PVC, toughness, chemical resistance and good interior finish ratings. Sheet thickness ranges from .028 to .375 and can be thermoformed, post formed, brake formed and laminated.

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  • modulus of elasticity in flexure is 330,000 psi.
  • parts formed from sheet will be rigid and will see moderate deformation when loaded. This is of particular importance in deep formed parts with thin wall sections.
  • relatively hard thermoplastic, with a hardness of 90 on the Rockwell R scale. This hardness, combined with a grained surface, increases its abrasive resistance.
  • low flammability, UL 94 classification V-0
     For some applications it is used as replacement for     leather, where it has the following advantages:
  • waterproof
  • scratch resistant (Rockwell "R" hardness of 90)
  • holds its shape better, and will not stretch or shrink under normal conditions
  • lower friction.

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***You may want a Kydex sheath or holster made specifically for your custom knives, axes, guns etc...

Here are some examples of my custom made sheathes - 

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KYDEX™ comes in a wide variety of colors, textures, patterns and prints. Most of my sheathes are made with .08 Kydex and 1/4" rivets and Chicago screws.

Please call us for a free quote