Testing condition: DPWL-5R DPWL-5R Ultraviolet lamp: 40W×8 4小時紫外線燈（60℃）4小時濕度(40℃) Cycle: 4 hours of ultraviolet lamp light (60℃), 4 hours of humidity (40℃) 在20℃2.5N NaOH中放置24小時之后 after soaking in 20℃2.5N NaOH for 24H
