Shop for LE Linen Phenolic sheets. LE linen phenolic sheet is an electrical grade high strength composite that consists of phenolic resin impregnated into layers of woven linen fabric. LE phenolic is strong and stiff and it has excellent creep resistance and outstanding dimensional stability. Custom cuts and cut-to-size pieces. Have machined into fabricated parts. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.