KYDEX® Sheet Material Safety Data Sheets provide details around the chemical make-up of our products.

KYDEX® Thermoplastics is part of SEKISUI SPI.

As announced last September, KYDEX, LLC has come together with ALLEN Extruders, LLC to form SEKISUI SPI - creating a new standard of excellence for the thermoplastics industry to think, design and create. Our name is new, but our level of commitment to our customers is the same.

Starting May 15, 2015, our legacy site for will be inactive and you will be re-directed to our fully integrated SEKISUI SPI site ( As a Designer, Engineer, or Fabricator, you'll find specialized sections created just for you. Visit our new site today and discover the updated features, enhanced search and specific content you need.

Explore our new site

Continue to legacy site