newdavy 发表于 2004-4-15 00:47:00

国内有没有生产α=33的pyrex(耐热)玻璃的厂家?

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newdavy 发表于 2004-4-15 22:18:00

有那位大侠知道的请告诉小弟？

xaot 发表于 2004-4-27 10:30:00

耐多少度高温，2000度？我们可以做，要多少？高速飞行DD上的探测窗口玻璃。

gdragon 发表于 2004-4-28 02:23:00

<P>请问3楼,如何与你联系?</P><P>gdragon@public.cc.jl.cn</P>

colman91155 发表于 2004-4-28 06:12:00

<P>透过光谱曲线有吗？我也对微晶玻璃感兴趣</P>

990679 发表于 2004-4-29 21:02:00

<TABLE cellSpacing=0 cellPadding=0 width="60%" border=1><TR><TD align=left><FONT face="arial, helvetica">Softening Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 821° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Annealing Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 560° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Strain Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 510° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Working Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 1252° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Expansion (0-300° C)</FONT></TD><TD align=left><FONT face="arial, helvetica"> 32.5 x 10 <SUP><FONT size=1>-7</FONT></SUP>/° C</FONT></TD><TR><TD align=left><FONT face="arial, helvetica"> Density</FONT></TD><TD align=left><FONT face="arial, helvetica"> 2.23 g/cm<SUP><FONT size=1>3</FONT></SUP></FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Knoop Hardness</FONT></TD><TD align=left><FONT face="arial, helvetica"> 418</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Refractive Index (589.3nm)</FONT></TD><TD align=left><FONT face="arial, helvetica"> 1.474</FONT></TD></TR></TABLE><P>有没有玻璃平板呢，厚度是6mm。</P>

newdavy 发表于 2004-4-29 21:06:00

<TABLE cellSpacing=0 cellPadding=0 width="60%" border=1><TR><TD align=left><FONT face="arial, helvetica">Softening Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 821° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Annealing Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 560° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Strain Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 510° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Working Point</FONT></TD><TD align=left><FONT face="arial, helvetica"> 1252° C</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Expansion (0-300° C)</FONT></TD><TD align=left><FONT face="arial, helvetica"> 32.5 x 10 <SUP><FONT size=1>-7</FONT></SUP>/° C</FONT></TD><TR><TD align=left><FONT face="arial, helvetica"> Density</FONT></TD><TD align=left><FONT face="arial, helvetica"> 2.23 g/cm<SUP><FONT size=1>3</FONT></SUP></FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Knoop Hardness</FONT></TD><TD align=left><FONT face="arial, helvetica"> 418</FONT></TD></TR><TR><TD align=left><FONT face="arial, helvetica"> Refractive Index (589.3nm)</FONT></TD><TD align=left><FONT face="arial, helvetica"> 1.474</FONT></TD></TR></TABLE><P>谁有6mm玻璃平板请与我联系，<a href="mailt990679@163.com" target="_blank" >990679@163.com</A></P>
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