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<p>[QUOTE="springfld.arsenal, post: 112749, member: 54"]Bear's formula for onyx reminded me of Silly Putty but when I looked it up Silly Putty is composed of 65% dimethyl <a href="https://en.m.wikipedia.org/wiki/Siloxane" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Siloxane" rel="nofollow">siloxane</a> (<a href="https://en.m.wikipedia.org/wiki/Hydroxyl" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Hydroxyl" rel="nofollow">hydroxy</a>-terminated polymers with <a href="https://en.m.wikipedia.org/wiki/Boric_acid" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Boric_acid" rel="nofollow">boric acid</a>), 17% <a href="https://en.m.wikipedia.org/wiki/Silicon_dioxide" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Silicon_dioxide" rel="nofollow">silica</a> (crystalline quartz), 9% Thixatrol ST (<a href="https://en.m.wikipedia.org/wiki/Castor_oil" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Castor_oil" rel="nofollow">castor oil</a> derivative), 4% <a href="https://en.m.wikipedia.org/wiki/Polydimethylsiloxane" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Polydimethylsiloxane" rel="nofollow">polydimethylsiloxane</a>, 1% decamethyl <a href="https://en.m.wikipedia.org/wiki/Cyclopentasiloxane" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Cyclopentasiloxane" rel="nofollow">cyclopentasiloxane</a>, 1% <a href="https://en.m.wikipedia.org/wiki/Glycerol" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Glycerol" rel="nofollow">glycerine</a>, and 1% <a href="https://en.m.wikipedia.org/wiki/Titanium_dioxide" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.m.wikipedia.org/wiki/Titanium_dioxide" rel="nofollow">titanium dioxide</a>, in case you want to mix some in your kitchen. And onyx doesn't bounce like silly putty.[/QUOTE]</p><p><br /></p>
[QUOTE="springfld.arsenal, post: 112749, member: 54"]Bear's formula for onyx reminded me of Silly Putty but when I looked it up Silly Putty is composed of 65% dimethyl [URL='https://en.m.wikipedia.org/wiki/Siloxane']siloxane[/URL] ([URL='https://en.m.wikipedia.org/wiki/Hydroxyl']hydroxy[/URL]-terminated polymers with [URL='https://en.m.wikipedia.org/wiki/Boric_acid']boric acid[/URL]), 17% [URL='https://en.m.wikipedia.org/wiki/Silicon_dioxide']silica[/URL] (crystalline quartz), 9% Thixatrol ST ([URL='https://en.m.wikipedia.org/wiki/Castor_oil']castor oil[/URL] derivative), 4% [URL='https://en.m.wikipedia.org/wiki/Polydimethylsiloxane']polydimethylsiloxane[/URL], 1% decamethyl [URL='https://en.m.wikipedia.org/wiki/Cyclopentasiloxane']cyclopentasiloxane[/URL], 1% [URL='https://en.m.wikipedia.org/wiki/Glycerol']glycerine[/URL], and 1% [URL='https://en.m.wikipedia.org/wiki/Titanium_dioxide']titanium dioxide[/URL], in case you want to mix some in your kitchen. And onyx doesn't bounce like silly putty.[/QUOTE]
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