The PTFE standard assembly is a PTFE to PTFE and10 gauge backing plate combination which as a whole is 7/16″ thick. Some customersrequire the 11/32″ application of PTFE and this thickness can only be achieved when youutilize a stainless steel upper slide plate element.
PTFE, 25% Glass Filled Slide Plates Bonded to Stainless Steel Backing Plates