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"Thank you for creating a wonderful DVD copy of a 33-year old laserdisc I thought I would never see again. And you provided outstanding service with email confirmations of each step. Now I will look for some of my other long-lost laserdiscs that have never been commercially released on DVD. "

Disc materials

The main materials used to produce LP records are a vinyl copolymer, a stabilizer, a lubricant, and a pigment, usually carbon black. The latter produces the traditional black color, but other colors including white have been used. These are compounded and extruded or fed into the press in the form of small cakes. Disc material is subject to two types of deformation during playing: elastic, from which it returns, hence is temporary; and plastic, which is permanent, in case of records it is termed “wear”.