Shop for KYDEX® T Thermoplastic Sheets. KYDEX® T Sheet is a high impact, fire-rated sheet that is less hygroscopic and usually does not require pre-drying. Offers more uniform forming with less wall thinning. Custom cuts and cut-to-size pieces. KYDEX® Sheet comes in many standard and custom colors. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.