<p><span style="font-family:宋体;"><span lang="EN-US" style="font-size:13.5pt;color:black;">HAG-20<b style="mso-bidi-font-weight:normal;">B</b></span><span style="font-size:13.5pt;color:black;">银焊料<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></span></p> <p style="text-indent:6.75pt;mso-char-indent-count:.5;"><span style="font-size:13.5pt;color:black;"><span style="font-family:宋体;">含银<span lang="EN-US">20%</span>，是银、铜、锌、镉合金，熔化范围适中，润湿性和填充性好，价格经济。可焊铜、铜合金、钢等大都份材料。熔点<span lang="EN-US">620-760</span>摄氏度。</span></span><span lang="EN-US" style="color:black;"><o:p></o:p></span></p>