印章用久了,印泥中的杂物会填塞字缝,使盖出的印章字迹不清,只显一个色团。怎样清洗印章呢?有人用针拨取印章上的积糊物,这个方法不好,不仅速度慢,而且容易把字弄坏。有人用汽油刷洗,这种方法也不科学。因为汽油有腐蚀性,常用此法,亦会损坏印章,缩短其使用寿命,尤其是用塑料和有机玻璃材料刻 Seal with a long time, the debris in the ink will be stuffed with letters, so that the seal of the seal is not clear, only a color group. How to clean the seal? Some people use a needle to seize the paste on the seal, this method is not good, not only slow but also easy to break the word. Some people use gasoline brush, this method is not scientific. Because of gasoline corrosive, this method is commonly used, will also damage the seal, shorten the service life, especially with plastic and plexiglass material engraved