What is PC hard case

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 6 for example, there are PC pure transparent PC iPhone 6 hard case, transparent black PC iPhone 6 hard case and transparent blue PC iPhone 6 hard case and others available.
iPhone-inspired-Case
Pros: good transmittance, hardness, resistance to fall, light
Disadvantages:dissatisfied scratch resistance
PC iPhone 6 hard case has three processes
1.vacuum plating process: electroplate, then carve some of the patterns on the PC housing, UV varnish.
Various-iPhone-Fashion-Style-Series-TPU-PC-Case
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 6 hard case,please visit  http://www.onu-mall.com/catalog/iphone-accessories/iphone-6-4-7-inch-case/hard-case/
Article from http://blog.onu-mall.com/index.php/2016/01/11/what-is-pc-hard-case/
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