DS70 Water Discolored Nano Ceramic window film hydrochromic tint for car

water-discoloring hydrochromic tint is a window film based on nanotechnology, water discoloring tint window film is available in DS20, DS40, DS70 and DS90 with specifications as following: DS20: VLT 20%, IRR99%, UVR99%; DS40: VLT 38%, IRR99%, UVR99%; DS70: VLT70%, IRR99%, UVR99% DS90: VLT90%, IRR99%, UVR99%.