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Re: Higher end plastic/acrylic mouthpieces?

Author: Dan Shusta
Date: 2019-11-25 01:49

Hi Paul, per the following link, acrylic is definitely harder than hard rubber.
https://www.redwoodplastics.com/brochures/plastic-hardness-comparison-chart.pdf

By durable, I meant that an acrylic mouthpiece could be dropped onto a hard surface and it will merely bounce around (per Ridenour). Dropping a hard rubber mouthpiece has been known to cause chips or breakage at the mouthpiece tip.

However, to me, the real clincher comes from Ralph Morgan. The Shore D hardness of hard rubber mouthpieces, per Morgan, varies between 82 and 95. He claims the lower Shore D hard rubber mouthpieces produce a darker tone while the higher Shore D hard rubber mouthpieces produce a brighter tone.

Look for "SHORE “D” HARDNESS SCALE FOR HARD RUBBER MOUTHPIECES" in the following article: https://www.dornpub.com/SaxjPDF/Material.pdf

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