Boltaron 4335 Hair Cell PatternThis thermal forming material is especially formulated for sheaths and holsters. We also carry Kydex(tm) in some colors which is similar. This Boltaron material, formula #4335 was designed specifically for the our industry. I think when you try this material, it will be your material of choice going forward.
Here is some information from the Boltaron people:
High impact, UL 94 V-0 rated PVC/Acrylic sheet delivering exceptional impact resistance, inclusion-free surface quality, and extreme formabilityBoltaron 4335 is a proprietary, fire retardant, extruded PVC/Acrylic alloy offering extreme durability, chemical resistance, and a UL 94 V-0 rating while exhibiting exceptional physical properties.
It offers Izod Impact resistance of 18 ft lbs/in (954 J/m), significantly improving the durability of thermoformed components versus FR-ABS and other competitive sheet.
In addition, Boltaron 4335 is non-hygroscopic, eliminating the time and costs associated with pre-drying other thermoplastics.
It also offers other exceptional physical properties, extreme formability and consistent surface quality.As a result, leading thermoformers and original equipment manufacturers seeking an uncompromising combination of formability, durability, chemical resistance, and regulatory compliance specify Boltaron 4335 for thermoformed and fabricated housings, enclosures, and displays.