Seller:gzwenly✉️(7,584)99.8%,
Location:广州市, 廣東省, CN,
Ships to: WORLDWIDE,
Item:323834749224PHILIPS IsoLde CLEO HPA400S 400W plate burning non-destructive testing lamp. PHILIPS IsoLde CLEO HPA400S 400W R7S UV plate burning non-destructive testing lamp Model: PA400S Specifications : 400W light feet : R7s Life: 750 hours The total length L(MM):118 the OD D(MM):16 package:1pc PA400S PHILIPS HPA400S lamp mainly emits ultraviolet radiation in 300-400 nm A band. Its ultraviolet radiation output is stable and tolerance is small. use In the skin tanning, beauty. The lamp can produce UVA at 320-400 nm without damaging the skin at all. Line (wavelength 253.7 nm). When UVA is irradiated through the epidermis to the underlying layer of the epidermis, the pigmented cells in the underlying cells are stimulated by UVA, and then begin to irradiate. Activity, produce melanin, oxygen and skin melanin combination, melanin becomes thick, skin color also becomes black. The appropriate amount of UVB can promote the conversion of 7-dehydroergot cholesterol into vitamin D3 or D2 in the skin, and promote the normal human body. Calcium and phosphorus cycle is especially important for indoor workers, pregnant women and children.