In a message dated 15/02/02 11:44:05 AM, baldyam@sk.sympatico.ca writes: << Graphite is hygroscopic, (it attracts and holds moisture) >> David I agree with Del and Roger about use of graphite in action centers. Pure graphite is a crystaline substance (AHD.."A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel") and is not "hygroscopic" in and of itself...however the binders used in manufactured solid graphite forms are "hygroscopic". There are many uses for graphite inside a piano but 'not' in action centers period...... 'Some' users of graphite seem to think that it is a cure all and slob it on with no thought as to future consequences...a sure recipe for disaster down the road.......however a little judgement in its use will add to any techs selectionof 'lubricants'....My view. Jim Bryant (FL)
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