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Message: [QUOTE="backwoodsboy, post: 823463, member: 5415"] I don't see anything, anywhere, where Rigid or myself is claiming polycarbonate to be scratch resistant. Polycarbonate by nature has high impact resistance, high light transparency through the visible spectrum, but low scratch resistance, which is why a protective coating is used...like I said in my original post. Properties of polycarbonate are also impacted directly by the molecular weight. The lower the molecular weight, the easier it is to form (awesome for a company trying to cut manufacturing costs) but at the same time impact resistance and other material properties are diminished. I don't have any quantitative data on the molecular weights of various polycarbonates used in LED light bars, but I can tell you I've run into enough chit with them that not all lenses are created equal. Not saying Rigid is the be all end all in nocturnal illumination, as a matter of fact I've got a set of 'Bulldog' 4" light bars on order and am looking into another brand to mount on my trailer, but don't expect a product sold at 1/3 the price to compare in terms of quality...it just aint happening. [/QUOTE]

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