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Does anyone know the name of the material they use to slab coins
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<p>[QUOTE="Pondering_Infinity, post: 3517192, member: 101452"][USER=27832]@-jeffB[/USER] </p><p>Interesting... thanks I will try and check out sourcing such material....</p><p><br /></p><p><br /></p><p>This is an interesting product..... It is called Buna N Rubber and it is FDA approved for food applications. It is used for Gaskets and many other things. </p><p><br /></p><p><b>Nitrile rubber</b>, also known as <b>NBR</b>, <b>Buna-N</b>, and <b>acrylonitrile butadiene rubber</b>, is a <a href="https://en.wikipedia.org/wiki/Synthetic_rubber" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Synthetic_rubber" rel="nofollow">synthetic rubber</a> <a href="https://en.wikipedia.org/wiki/Copolymer" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Copolymer" rel="nofollow">copolymer</a> of <a href="https://en.wikipedia.org/wiki/Acrylonitrile" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Acrylonitrile" rel="nofollow">acrylonitrile</a>(ACN) and <a href="https://en.wikipedia.org/wiki/Butadiene" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Butadiene" rel="nofollow">butadiene</a>. Trade names include <b>Perbunan</b>, <b>Nipol</b>, <b>Krynac</b> and <b>Europrene</b>.</p><p><br /></p><p><b>Nitrile butadiene rubber</b> (<b>NBR</b>) is a family of unsaturated copolymers of <a href="https://en.wikipedia.org/wiki/2-propenenitrile" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/2-propenenitrile" rel="nofollow">2-propenenitrile</a> and various butadiene monomers (<a href="https://en.wikipedia.org/wiki/1,2-butadiene" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/1,2-butadiene" rel="nofollow">1,2-butadiene</a> and <a href="https://en.wikipedia.org/wiki/1,3-butadiene" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/1,3-butadiene" rel="nofollow">1,3-butadiene</a>). Although its physical and chemical properties vary depending on the polymer’s composition of <a href="https://en.wikipedia.org/wiki/Nitrile" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Nitrile" rel="nofollow">nitrile</a>, this form of synthetic rubber is unusual in being generally resistant to oil, fuel, and other chemicals (the more nitrile within the polymer, the higher the resistance to oils but the lower the flexibility of the material).</p><p><br /></p><p><a href="https://en.wikipedia.org/wiki/Nitrile_rubber" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Nitrile_rubber" rel="nofollow">https://en.wikipedia.org/wiki/Nitrile_rubber</a></p><p><br /></p><p><br /></p><p><a href="https://www.ebay.com/itm/E-JAMES-310-1-4X-1-4-FDA-Grade-Buna-N-Rubber-Strip-2-x36-white-60A/382049527749?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.ebay.com/itm/E-JAMES-310-1-4X-1-4-FDA-Grade-Buna-N-Rubber-Strip-2-x36-white-60A/382049527749?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649" rel="nofollow">https://www.ebay.com/itm/E-JAMES-310-1-4X-1-4-FDA-Grade-Buna-N-Rubber-Strip-2-x36-white-60A/382049527749?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Pondering_Infinity, post: 3517192, member: 101452"][USER=27832]@-jeffB[/USER] Interesting... thanks I will try and check out sourcing such material.... This is an interesting product..... It is called Buna N Rubber and it is FDA approved for food applications. It is used for Gaskets and many other things. [B]Nitrile rubber[/B], also known as [B]NBR[/B], [B]Buna-N[/B], and [B]acrylonitrile butadiene rubber[/B], is a [URL='https://en.wikipedia.org/wiki/Synthetic_rubber']synthetic rubber[/URL] [URL='https://en.wikipedia.org/wiki/Copolymer']copolymer[/URL] of [URL='https://en.wikipedia.org/wiki/Acrylonitrile']acrylonitrile[/URL](ACN) and [URL='https://en.wikipedia.org/wiki/Butadiene']butadiene[/URL]. Trade names include [B]Perbunan[/B], [B]Nipol[/B], [B]Krynac[/B] and [B]Europrene[/B]. [B]Nitrile butadiene rubber[/B] ([B]NBR[/B]) is a family of unsaturated copolymers of [URL='https://en.wikipedia.org/wiki/2-propenenitrile']2-propenenitrile[/URL] and various butadiene monomers ([URL='https://en.wikipedia.org/wiki/1,2-butadiene']1,2-butadiene[/URL] and [URL='https://en.wikipedia.org/wiki/1,3-butadiene']1,3-butadiene[/URL]). Although its physical and chemical properties vary depending on the polymer’s composition of [URL='https://en.wikipedia.org/wiki/Nitrile']nitrile[/URL], this form of synthetic rubber is unusual in being generally resistant to oil, fuel, and other chemicals (the more nitrile within the polymer, the higher the resistance to oils but the lower the flexibility of the material). [url]https://en.wikipedia.org/wiki/Nitrile_rubber[/url] [url]https://www.ebay.com/itm/E-JAMES-310-1-4X-1-4-FDA-Grade-Buna-N-Rubber-Strip-2-x36-white-60A/382049527749?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649[/url][/QUOTE]
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