Search Results for: Yarn strip impregnated
was formed by the reaction under heat and pressure of phenol , a toxic, colorless crystalline solid, and formaldehyde , a simple organic compound, generally with a wood flour filler. the phenolic sheet is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated
with synthetic resin. these layers of laminations are usually of cellulose paper, cotton fabrics, synthetic yarn fabrics, glass fabrics or unwoven fabrics. when heat and pressure are applied to the layers, a chemical reaction (polymerization) transforms the layers into a high-pressure thermosetting...
https://www.newworldencyclopedia.org/entry/Bakelite