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Ok. I am having an issue with acrylic "flash" around teeth after process.
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<blockquote data-quote="JMN" data-source="post: 247515" data-attributes="member: 8469"><p>Short version: Dude, read the label next time. Buy stuff that is supposed to work, and supposed to be used, then when you have problems it's a lot easier to figure out.</p><p></p><p>Here's yer problem. The stone you are using is this with yellow colorant.</p><p></p><p>Note that the expansion is .42%.</p><p>Dental stone expansion is allowed at max .30%</p><p>That is why it doesn't have a stone type. It is outside the classifications.</p><p></p><p><a href="https://www.usg.com/content/dam/USG_Marketing_Communications/united_states/product_promotional_materials/finished_assets/hydrocal-white-gypsum-cement-data-en-IG1381.pdf" target="_blank">https://www.usg.com/content/dam/USG_Marketing_Communications/united_states/product_promotional_materials/finished_assets/hydrocal-white-gypsum-cement-data-en-IG1381.pdf</a></p><p>--------------------------</p><p>USG Hydrocal® Brand White Gypsum Cement is a good multi-purpose product for people looking</p><p>to upgrade from a standard plaster product to one that has a higher degree of hardness and</p><p>impact resistance. USG Hydrocal White Gypsum Cement is designed for solid and hollow casting</p><p>and is<strong> ideal for giftware and lamp base applications</strong>. USG Hydrocal White Gypsum Cement is</p><p>compatible with numerous color pigments. If information for a specific use is needed, please</p><p>contact your local USG Sales Representative for further assistance.</p><p>Normal Consistency (lbs. water/100 lbs. product)</p><p>43</p><p>Hand Mix Vicat Set, Target (minutes)</p><p>20 - 30</p><p>Compressive Strength, One Hour After Set (psi)</p><p>3000</p><p>Compressive Strength, Dry (psi)</p><p>6000</p><p>Density, Wet (lbs./cu. ft.)</p><p>110.0</p><p>Density, Dry (lbs./cu. ft.)</p><p>90.0</p><p>% Maximum Expansion</p><p>0.42%</p><p>-------------------------------------</p><p><a href="http://info.whipmix.com/topic/gypsum" target="_blank">http://info.whipmix.com/topic/gypsum</a></p><p></p><p></p><p>[ATTACH=full]25604[/ATTACH]</p></blockquote><p></p>
[QUOTE="JMN, post: 247515, member: 8469"] Short version: Dude, read the label next time. Buy stuff that is supposed to work, and supposed to be used, then when you have problems it's a lot easier to figure out. Here's yer problem. The stone you are using is this with yellow colorant. Note that the expansion is .42%. Dental stone expansion is allowed at max .30% That is why it doesn't have a stone type. It is outside the classifications. [URL]https://www.usg.com/content/dam/USG_Marketing_Communications/united_states/product_promotional_materials/finished_assets/hydrocal-white-gypsum-cement-data-en-IG1381.pdf[/URL] -------------------------- USG Hydrocal® Brand White Gypsum Cement is a good multi-purpose product for people looking to upgrade from a standard plaster product to one that has a higher degree of hardness and impact resistance. USG Hydrocal White Gypsum Cement is designed for solid and hollow casting and is[B] ideal for giftware and lamp base applications[/B]. USG Hydrocal White Gypsum Cement is compatible with numerous color pigments. If information for a specific use is needed, please contact your local USG Sales Representative for further assistance. Normal Consistency (lbs. water/100 lbs. product) 43 Hand Mix Vicat Set, Target (minutes) 20 - 30 Compressive Strength, One Hour After Set (psi) 3000 Compressive Strength, Dry (psi) 6000 Density, Wet (lbs./cu. ft.) 110.0 Density, Dry (lbs./cu. ft.) 90.0 % Maximum Expansion 0.42% ------------------------------------- [URL]http://info.whipmix.com/topic/gypsum[/URL] [ATTACH=full]25604[/ATTACH] [/QUOTE]
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Ok. I am having an issue with acrylic "flash" around teeth after process.
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