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KYDEX sheet has excellent forming properties, which results in uniform wall thicknesses and crisp detail. KYDEX sheet forms to deep draws with low forces when heated to the upper end of the forming temperature range. Unlike many other thermoforming sheets, KYDEX sheet has unusually high resistance to hot tearing.
Forming Guidelines
- Oven temperatures should be set differently than the settings used for ABS or FR-ABS.
- Typical heater settings (percentage timers) are 30% – 50% top heaters and 50% - 70% bottom heaters.
- The most frequent problem is trying to heat the sheet too quickly, particularly on the primary surface.
- Cycle times will vary depending on the oven conditions and grade of KYDEX sheet being formed.
- When forming KYDEX sheet, it is better to rely on the sheet appearance during heating than on fixed cycle times.
- Forming temperatures – Guidelines: (Sheet should not exceed 204°C (400°F).
165 - 177°C (330 - 350°F) for 182 - 196°C (360 - 385°F) for 1.50mm to 3.20mm (0.060" to 0.125").
196 - 204°C (385 - 400°F) for > 3.20mm (0.125")
- Ideally the core sheet temperature should be within 10°F of the surface temperature.
Sheet Appearance During Heating
As KYDEX sheet is heated, the inherent stresses in the sheet will relax.
Stage I: The heating is marked by wide undulations and softening.
Stage II: The material will start to form small ripples (known as oil canning). .
Stage III: The material will start to smooth out and sag (KYDEX sheet will generally sag less than other thermoplastics due to its high melt strength. .
Stage IV: The ripples will have smoothed out indicating that most stresses have been removed. 10 to 30 seconds afterwards the sheet is ready to form.
Herb A.
Reviewed in the United States on February 24, 2025
Super fast service and exactly what I ordered! You can't get much better than that!!
Andy Maupin
Reviewed in the United States on February 15, 2025
Good Kydex, packed well, shipped fast.
Woodness
Reviewed in the United States on February 12, 2025
This material is amazing. Using a normal heat gun, a person is able to create just about any shape you can come up with. I made a really nice patch for the front keel of my kayak. Worked great.
I buy a lot
Reviewed in the United States on September 26, 2024
I used these sheets of Kydex to make heat formed skid guards for the below waterline bow of my kayaks.
EH
Reviewed in the United States on November 7, 2024
I use it for kayak bow stern protection once molded and shaped to fit.
Dustin M.
Reviewed in the United States on November 17, 2024
Exactly as stated seemingly high quality!
Joseph
Reviewed in the United States on December 29, 2023
I recommend power tools like a Dremel or cut off wheels I used a straight edge and a plexiglass cutter and it worked but it took a few mins of scribing to get it to a point I can do a control break on the edge of table or countertop but works great little heat from heat gun it will mold.
James Bleuel
Reviewed in the United States on October 20, 2023
I've never worked with this stuff before but this is amazing! Its a lot sturdier than I thought it would be and surprisingly easy to work with. The first time I heated it I had to do it over but fortunately it's pretty forgiving material. Once you learn how to cut it and get a good system down for clamping you can make anything with this stuff! My only regret is not learning how to work with this sooner, seriously anybody with patience can make a nice looking product with this! And it's stamped made in USA.
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