Cloth, Quartz, "B" Stage Polyimide Resin Impregnated Style 581 Fabric, 315 °C (599 °F)(STABILIZED Dec 2016) AMS3847D

This specification covers one type of quartz cloth impregnated with a heat-reactive, thermosetting, polyimide resin system, the resin being processed to a "B" stage condition, and furnished in continuous rolls of full width material.

This cloth has been used typically for structural laminates requiring high strength and long term heat resistance up to 315 degrees C (599 degrees F), but usage is not limited to such applications.