Definition of in session. 1  1 : in the process of meeting formally Congress is in session right now. 2  2 US : conducting classes School will be back in session at the beginning of September.
Mylar Pieces. Circles & Hexagons. Multiple Sizes. Hexagon & Circle Mylar Pieces are heat resistant and made especially for quilters who desire to make perfectly shaped circles and hexagons each time with hand or machine piecing and appliquÃ©. Cut fabric 1/4 larger than Mylar template.
MylarÂ® and MelinexÂ® polyester films are flexible, exceptionally strong and durable translucent and clear films produced by DuPont. They have a high tensile, tear and impact strength. They remain tough and flexible at temperatures from -70Â°c to 150Â°c. An electrical barrier in motors, transformers and wire, cables and a host of uses in electronic and aerospace equipment. 2  A physical barrier in protective laminates for decals and book covers. 3  A thermal and electrical barrier in wire and cables.