It is a sheet used when better machining is needed than that offered by the comparable canvas grade NP315. This product consists of a linen fabric and phenolic resin enhanced with a graphite lubricant to reduce wear. It is suitable for smaller and more intricate shapes than those made with NP315 and is commonly used to make a variety of parts subject to wear. This material is more prone to conduct electricity and it should not be used in applications where this attribute is a potential safety hazard.