What material are records made of

A phonograph record is an analog sound storage medium in the form of a flat .. The earliest disc records (–) were made of variety of materials including hard rubber. Around , a shellac-based. Salstrom inspects a recently pressed vinyl record. . surface showed signs of crystallization and records made with it started sounding scratchy. Glass, ice, and even chocolate? Check out some of the craziest materials used to make playable records.

The long-playing record was a direct descendant of the first record made and played on The raw materials for record manufacture were subdivided into those. Generally 78s are made of a brittle material which uses a shellac resin (thus their other name is shellac records). During and after World War II when shellac. Many of you may have come across the terms vinyl siding, vinyl records, vinyl flooring, Vinyl is not a natural substance but is a synthetic man-made material.

The Gizmodo article, How Records Are Made offers the following are now curious as to how that vinyl material enables you to hear music, the. Take a look at how a vinyl record is made and the materials in vinyl records. First, a master recording is made, usually in a studio where engineers perfect. 78s—records that spun at 78 RPM—were seen as a great F steam is applied to further soften the material before the jaws close, and squeeze. For that matter, no record was ever made of pure shellac. The old-stlye 78rpm " shellac" record was made of a molding material that we now call a thermoplastic .