< >本人急需以下型号O形圈(<FONT face="Times New Roman">GB3452.1-1992</FONT>)<p></p></P>
< >Φ<FONT face="Times New Roman">17</FONT>×<FONT face="Times New Roman">1.8<p></p></FONT></P>
< >Φ<FONT face="Times New Roman">21.2</FONT>×<FONT face="Times New Roman">1.8<p></p></FONT></P>
< >Φ<FONT face="Times New Roman">38.7</FONT>×<FONT face="Times New Roman">2.65<p></p></FONT></P>
< >Φ<FONT face="Times New Roman">50</FONT>×<FONT face="Times New Roman">2.65<p></p></FONT></P>
< >使用场合:有油空气压缩机中静密封,最高温度<FONT face="Times New Roman">250</FONT>℃左右,最高压力<FONT face="Times New Roman">35MPa</FONT>。本厂曾使用氟橡胶O形圈,但在使用过程中最长未超过<FONT face="Times New Roman">24</FONT>小时就有严重的开裂和起泡现象。有谁知道解决此难题,</P>
< >请与我联系,本人不胜感激.</P>
< >联系人:周志东</P>
< >联系电话:<FONT face="Times New Roman">0510-6521999</FONT>转<FONT face="Times New Roman">8302</FONT></P>