天气预报 > 其他 > 行李箱上喷的广告字如何去除
行李箱上喷的广告字如何去除
更新时间: 2020-11-03 00:00:00  

如果的用油漆印的,可以蘸上一点甲苯擦掉。甲苯是一种稀释剂,在一般化工商店里有售。

甲苯无色澄清液体。有苯样气味。有强折光性。能与乙醇、乙醚、丙酮、氯仿、二硫化碳和冰乙酸混溶,极微溶于水。相对密度0.866。凝固点-95℃。沸点110.6℃。折光率1.4967。闪点(闭杯)4.4℃。易燃。蒸气能与空气形成爆炸性混合物,爆炸极限1.2%~7.0%(体积)。低毒,半数致死量(大鼠,经口)5000mg/kg。高浓度气体有麻醉性。有刺激性。

关键词: 行李箱 广告 如何 去除

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