This is some of the highest quality and toughest fast sintered base, UHMW. Ultra hight molecular weight polyethyline.
Width is 350mm or 145mm and thickness is 1.8mm. Price pr.m.
Base is sanded and flamed on both sides for best binding properties with epoxy
before cutting, lay the base on a flat table for about 48h the base will start to relax. The heating tunnel is just a fast way to bring out the tension.
Storage: Room temperature with low temperature fluctuations. Humidity should not be too high. You can store it on the roll. If you recognize some wraping you can also try to wind it in other direction for storage.
Some manufacturers call this ptex or p-tex sintered base for ski and snowboard.