<p>Omas 黑不是碳素的, 据说酸碱测试为中性 -- " 7.2 for Omas Permanent Black "</p><p><a href="http://www.marcuslink.com/pens/ink/ink-and-ph-levels.htm">http://www.marcuslink.com/pens/ink/ink-and-ph-levels.htm</a></p><p>派克的蓝黑好像是染料型的, 不管放多少天, 一遇水就化 ..... [em06]</p>
[此贴子已经被作者于2007-7-8 11:18:04编辑过]
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