Our mat is the most competitive and the best in quality over the world, which has been proven by lots of customers in many countries. Our e-glass needled mat is a mechanically bonded glass fiber insulation blanket of uniform density supplied in thicknesses of 1/8" , 1/4 ", 1/2", and 1" that offers reliable, superior performance for continuous operating temperatures up to 1000 degrees f (538 degrees c) and excursions to 1200 degrees f (649 degrees c). The e-glass needled mat is manufactured from a well-controlled assortment of long textile glass fibers to assure uniform mechanical bonding with no additional binders, thereby assuring insulation efficiency during extended exposure of elevated temperatures. Product characteristics Low thermal conductivity at temperatures to 1000 degrees f (538 degrees c) Good drapability conforms to irregular surfaces U.L listed - 0-flame spread, 0-smoke generated Non-respirable, 9 micron filament diameter Excellent vibration resistance, will not powder Excellent sound absorption properties Non-alkaline (