PC: Polycarbonate, it is a colorless and transparent amorphous thermoplastic material. Unlike silicone protective case and TPU protective, PC case is hard, PC plastic toughness is pretty good, light transmission is pretty impressed,take the iPhone 6s for example, there are pure transparent PC iPhone 6S hard case, transparent black PC iPhone 6S hard case and transparent blue PC iPhone 6S hard case and others available.
Pros: good transmittance, hardness, resistance to fall, light
Disadvantages:dissatisfied scratch resistance
PC iPhone 6S hard case has three processes
1.vacuum plating process: electroplate, then carve some of the patterns on the PC housing, UV varnish.
2.PC spraying: spray rubber oil, or the transparent red, transparent blue, transparent yellow, etc.Those spraying a layer of primer on the transparent PC case and laser engraving pattern and spraying a rubber paint are slightly better.
1.vacuum plating process: electroplate, then carve some of the patterns on the PC housing, UV varnish.
2.PC spraying: spray rubber oil, or the transparent red, transparent blue, transparent yellow, etc.Those spraying a layer of primer on the transparent PC case and laser engraving pattern and spraying a rubber paint are slightly better.
PC thermal transfer process: transfer patterns on the PC housing , and then spray UV varnish or soft touch rubber oil.Those spraying rubber oil are better. The disadvantage is that the surface does not resistant scratch.
For more information about iPhone 6S hard case,please visit http://www.onu-mall.com/catalog/iphone-accessories/iphone-6s-case/hard-case/
Article from http://blog.onu-mall.com/index.php/2016/01/11/what-is-pc-hard-case/
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