Lanmar #Silver4 is a 5 mil silver PTFE coated fiberglass fabric. The silver PTFE coating combines the non-stick, chemical-resistant properties of PTFE with a reflective metallic appearance suited for heat-reflective and specialty industrial applications.

Specifications: 5 mil thickness. Coating weight: 6.7 oz/yd². Break strength (warp x fill): 90 lb/in. Standard width: 38 inches.

Common applications include heat-reflective oven liners, EMI shielding blankets, specialty non-stick covers, and high-visibility release surfaces. Supplied in roll form. Available custom slit to width.