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Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.
The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens. [1]In 1990s, the CRT screen protectors were used on CRT monitors for anti-glare and anti-radiation purposes.
Apple started using polycarbonate with the iPhone 5C's unibody case in 2013. Benefits over glass and metal back covers include durability against shattering (advantage over glass), bending and scratching (advantage over metal), shock absorption, low manufacturing costs, and no interference with radio signals and wireless charging (advantage ...
Belkin: Headquartered in California, offers chargers, cables, and cases. Casetify: Known for customizable phone cases and other accessories. Evelatus: A Europe-based brand offering cables, cases, chargers, and screen protectors. [5] OtterBox: Famous for rugged, protective cases. Popsockets: Popularized collapsible phone grips and stands.
The Best Way To Wash Lettuce. The best way to wash lettuce is to use cool running water and gently scrub each leaf, says Edwards. “I prefer to fill a bowl with cold water and submerge lettuce ...
Crystal Mangum, the former exotic dancer who accused three Duke men’s lacrosse players of rape in 2006, igniting a national firestorm, now says she lied about the encounter. “I testified ...