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Inquiry (采购产品): Thermoset ADC filters Is your CR-39 IR longpass filter material the same material used in shade 5 welding filters? I have been looking for a spectral transmission specification on welding filters and came across your product on the internet. I am designing a product that functions very well using a plastic 2"x4.25" shade 5 welding filter but I haven't been able to determine the IR transmission of such a filter. I have ordered some of your CR-39 filter material to compare with the welding filter. It sure would be helpful to know if they are the same or similar mateirals. Thank You Rick Morgal **** Hidden Message ***** Rick Morgal 92109 USA Company: HelioTrax E-mail: rmorgal@san.rr.com **** Hidden Message ***** rmorgal@san.rr.com
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