Markings in accordance with 5.1.2 to 5.2 shall remain clear and legible under conditions of
NORMAL USE and resist the effects of cleaning agents specified by the manufacturer.
Conformity is checked by inspection and by performing the following test for durability of
markings on the outside of the equipment. The markings are rubbed by hand, without undue
pressure, for 30 s with a cloth soaked with the specified cleaning agent (or, if not specified,
with isopropyl alcohol
The markings shall be clearly legible after the above treatment, and adhesive labels shall not
have worked loose or become curled at the edges作者: 寒冰 时间: 2011-10-19 03:16
"通过视检并通过用手拿沽水的布擦拭标志15s,再用沾汽油的布擦拭15s来检查其合格性。
全部试验之后,标志仍应清晰易读,标志牌应不易揭下并且不应卷边。
注
1.在考虑标志的耐久性时,要考虑到正常使用的影响,例如:以涂漆或涂釉的方式(搪瓷除外)做出的标志放在经常清洗的容器上,不认为其是持久耐用的
2.用于此试验的汽油是脂肪族溶剂己烷,其按容积的最大芳烃含量为0.1%,贝壳松脂丁醇值为29,始沸点约为 65 摄氏度,干点约为69摄氏度,密度约为0.66 kg/L"