<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 30pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan" align="left"><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋體; mso-bidi-font-family: Arial; mso-font-kerning: 0pt">石英砂是一種堅硬、耐磨、化學(xué)性能穩定的硅酸鹽礦物，其主要礦物成分是<span lang="EN">SiO2 </span>，石英砂的顏色為乳白色或無(wú)色半透明狀，硬度<span lang="EN">7</span>，性脆無(wú)解理，貝殼狀斷口，油脂光澤，相對密度為<span lang="EN">2. 65</span>，不溶于酸，微溶于<span lang="EN">KOH</span>溶液，熔點(diǎn)<span lang="EN">1750℃</span>。用途：鑄造、精密鑄造、超白玻璃、玻璃器皿、陶瓷，。我廠(chǎng)供應各種型號的鑄造石英砂，普通石英砂，半精制石英砂，精制石英砂，高純石英砂等系列。<span lang="EN"> <br /></span>規格；<span lang="EN">4-6</span>目、<span lang="EN">6-10</span>目、<span lang="EN">10-20</span>目、<span lang="EN">20-40</span>目、<span lang="EN">40-70</span>目、<span lang="EN">70-140</span>目、<span lang="EN">200</span>目、<span lang="EN">325</span>目。粒度可根據需方企業(yè)標準調整加工。包裝：塑編袋，<span lang="EN">50</span>公斤<span lang="EN">/</span>袋。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ??; mso-bidi-font-family: Arial; mso-font-kerning: 0pt" lang="EN"><br /></span><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋體; mso-bidi-font-family: Arial; mso-font-kerning: 0pt" lang="EN">1</span><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋體; mso-bidi-font-family: Arial; mso-font-kerning: 0pt">半精制砂：化學(xué)成分：半精制<span lang="EN">SIO2≥99.30 </span>，<span lang="EN"> Fe2O3≤0.04</span>。</span><span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ??; mso-bidi-font-family: Arial; mso-font-kerning: 0pt" lang="EN"><br /></span><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋體; mso-bidi-font-family: Arial; mso-font-kerning: 0pt" lang="EN">2</span><span style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋體; mso-bidi-font-family: Arial; mso-font-kerning: 0pt">精制石英砂：化學(xué)成分：<span lang="EN">SIO2≥99.50 </span>，<span lang="EN"> Fe2O3≤0.02</span>。<span lang="EN"> <br />3</span>普通石英砂： 化學(xué)成分：<span lang="EN">SIO2≥99.00</span>、<span lang="EN"> Fe2O3≤0.1</span>。<span lang="EN"> <br />4</span>高純石英砂：化學(xué)成分，<span lang="EN">SIO2≥99.9</span>，<span lang="EN"> Fe2O3≤0.005</span>。<span lang="EN"> <br />5</span>石英粉用途：<span lang="EN">. </span>用于玻璃行業(yè)可制造各種平板玻璃、夾絲玻璃、壓花玻璃、空心玻璃、 泡沫玻璃、玻璃磚、各類(lèi)包裝瓶罐，玻璃器皿如：啤酒瓶、玻璃杯、保溫瓶及裝飾品，可以制造光學(xué)玻璃，玻璃儀器，玻璃纖維，導電玻璃，玻璃不及防射線(xiàn)特種玻璃。</span></p>