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Ted Mooney, P.E. RET
Pine Beach, NJ

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How to emboss polycarbonate sheet with microprisms

June 24, 2008

Dear Sir,
I would like to know the manufacturing process where micrprism can be embossed on a 2 mm polycarbonate sheet which can then be cut to size for use as lens of a road stud/ raised pavement marker. I have come to know that its a heat emboss method but still don't know how microprism can be embossed on the polycarbonate sheet.Currently I am already using the injection molded prismatic lens for my product.

Awaiting your response or suggestions on above.

Thanks and regards

Rajnish Sharma
- Kolkata, India

Hi, Rajnish. My understanding is that CDs and DVDs are polycarbonate. Therefore, the same molding techniques should be applicable. I know little about plastics, but polycarbonate is a thermoplastic so I would think that heat embossing could be an applicable technology, and that a roller could be prepared with the embossing pattern.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
June 24, 2008

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