[pianotech] Bleaching Ivories

[John Delacour]

At 08:23 -0700 11/9/10, Larry Fisher RPT wrote:

>...I laid them in the sun to dry and they curled up plus they turned 
>whiter.  Flipping them over curled them the other way until they 
>were close to dry.  I then put them in a pressÊI made from two 
>pieces of wood and taped them together to act as a clamp.  They 
>didn't dry as fast but they came out flat as can be.

Not a good idea to let them curl at all.  It puts great strain on 
them and they're likely to crack.  Fold them into a length of white 
cotton rag while they are wet and clamp them flat so that they dry 
slowly and evenly and remain flat.

JD