13.3 Inch Black Silk Print Edge Removable Notebook Privacy Screen Protectors
◎ What is Privacy Filter?
A privacy filter, also called a privacy screen or a monitor filter, is designed to protect a laptop or the screen of a desktop monitor from prying eyes and shoulder surfers. They decrease the viewing angle, allowing only the person sitting immediately in front of the screen, typically the user, to view the contents of the screen. Privacy filters fit directly above a monitor screen and attach securely in front. Privacy filters also reduce radiation and glare generated from LCD and CRT computer monitor displays.
◎ Specification Details
|Total thickness||um||40||±20||Micro meter|
|Viewing angle||degree||60°||±10°||Viewing angle checker|
|Transmittance %||%||>70||±10||Sample measured value|
|Surface hardness/ASTMD 3363||H||3||3|
|Surface resistivity||Ω/square||≤ 10E||±13|
|Operating temperature||℃||（-）35℃ （+）65℃||high-low temperature test|
|Structural layer thickness||um||150||±5||150|
|Anti - glare layer surface roughness||um||0.275||±0.055||0.275|
|High temperature durability test||70℃ 500 hours||
Optical properties didn't change significantly, does
not affect the normal use.
|High humidity durability test||40℃ 95% RH 500 hours|
◎ Certification Details
◎ Package and Delivery
Neutral Carton Package Box with applicators:cloth
Delivery by Express, like DHL/TNT/UPS/FedEx, usually 3-7 days
|Shipping Method||Shipping Time||Shipping Time|
|Express like DHL/UPS/FEDEX/TNT||3-7 days with tracking number||Fast and expensive, door to door.|
|Air Shipping||3-7 days||Fast, airport to airport, customers have to pick up the goods in the airport|
|Sea Shipping||15-30 days||Cheap and slow, port to port, customers have to pick up the goods in the port|
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