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Re: What is resonite

Author: BobD
Date: 2004-12-03 15:20

The use of tradenames to hide the true identity of material is and has been a common practice. Hard rubber was and continues to be a quite amazing material considering the many plastics that have been developed since it was. I believe it was originally used for electrical insulators and for the old cylinder records and later the flat ones. Bakelite was the first successful phenol-formaldehyde based "phenolic resin plastic" and although others besides G.E. soon developed imitators they had to invent various names. One very successful manufacturer was(and still is?) in Wisconsin and their phenolic resin in various formulations were very successfully marketed in the midwest. Since shipping costs from Wisc. to nearby states including Indiana and Wisconsin itself where LeBlanc was/is located were less than from out East it was probably used for Midwest manufactured clarinets.
VanDoren still markets a variegated colored mouthpiece that is reminiscent of early bowling balls. Until I find proof otherwise I am still led to believe that Ebonite was a thermoset phenolic resin based material rather than hard rubber. Resonite was probably a phenol-formaldehyde based thermoste resin manufactured in Wisconsin. Wouldn't it be interesting if someone knows the facts.

Bob Draznik

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2004-11-30 10:24