Lanmar #66-5 is a 5 mil porous ptfe coated fiberglass fabric featuring controlled porosity that allows air and gas transmission while maintaining PTFE non-stick and chemical-resistant surface properties.

Specifications: 5 mil thickness. Coating weight: 1.8 oz/yd². Dielectric strength: 115V. Standard width: 40 inches. Rated -400 to +600°F.

Common applications include through-air bonding equipment, air filtration media, hot-air non-woven bonding, textile finishing equipment, and breathable release surfaces. Supplied in roll form. Available custom slit to width.