相对湿度
Relative Humidity

保管适湿范例
Suitable storage of items

60％－50％

书、古董、古书、传真纸、复印纸 
Paintings, antiques, paper money, old books, Fax paper, copy paper

50％－40％

照相机、摄像机、镜头、显微镜、放大镜、望远镜、磁带、磁（光）碟、记录带、菲林、正负底片、乐器、邮票、毛皮、中药材、茶叶、咖啡、香烟等
Camera, video cameras, lenses, microscopes, endoscopes, binoculars, magnetic tape, disks , records, film, negatives, positive film, musical instrument, stamps, furs, medicinal materials, tea , coffee, cigarette etc.

40％－20％

精密五金模具、测量仪器、电子零件、主机板、金属粉末、半导体、制药原材料等 
Precision dies, measurement instruments, all electronic parts, pc boards, metallic powders, semiconductors, medical supplies etc.

20％或以下
20％or less

试样、标准量具、种子、花粉、球根等
Sample, standard measuring tool, seeds, pollen, seedlings etc.

10%~20%

电子元器件、IC、BGA等 Electronic Components, IC, BGA, etc.

10%或以下
10% or less

对湿度特别敏感的物料，如要求较高的IC、BGA等
Particularly sensitive to humidity of materials, such as requiring a higher IC, BGA, etc.