Moulded Keytops

[Terry]

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What can you say about comparing and contrasting bone and ivory (color, =
grain, feel, durability, etc.)? I've heard that bone is more porous and =
gets dirtier more easily. Please educate us!

Terry Farrell

      I apply keytops for a living and there are several factors to =
consider when choosing a top. The quality of the keytop, quality of the =
piano, quality of the rebuild, preference of the customer, knowledge and =
preference of the technician and budget. Crappy "molded" keytops are =
nice if applied properly, and three thousand dollars worth of new ivory =
is "crappy" if not applied properly. Molded keytops have the advantage =
of being inexpensive, uniform in shape and appearance, and relatively =
easy to apply with minimal skill, tooling and yields fair results.  A =
disadvantage is that many people feel that they are a cheap top and as a =
result do not use them. Other materials ivory, bone and the variety of =
plastics are usually in a slab or oversize form and require more skill, =
tooling and money. In addition when you go from a molded keytop with =
fronts attached to a keytop without a front attached you double your =
workload. Vagias is a simulated ivory top made of plastic and I've found =
that people either like it or don't there is no in between. Ivorine =
(pyralin) is still around and preferred to acrylics because of the =
plastics available it feels similar to ivory. New ivory and bone are =
available and preferred by most but are costly and not always in the =
budget.
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