Posted by JML755 on November 12, 2013 at 10:28:10 from (97.78.165.192):
In Reply to: Brush hogging danger posted by ss55 on November 12, 2013 at 10:14:59:
ss55 said: (quoted from post at 14:14:59 11/12/13) Polycarbonate is the generic name for GE's Leaxan. In the 1980's an ordinance manufacturing customer had us use 3/8 inch thick polycarbonate in the guards around their grenade assembly machines to stop any accidental shrappnel.
It's the same polycarbonate used in consumer safety eye glass lenses. It can be "chemically welded" into shapes. Threaded holes can also be drilled and tapped into polycarbonate.
McMaster-Carr is one source for Lexan and polycarbonate. All plastic suppliers and most steel suppliers sell it too. Prices are not cheap, industrial suppliers normally have lower prices than consumer outlets.
We use a lot of Lexan at work. We're putting 1/4" Lexan in a "burst test chamber" and it satisfies “DIN 52290 part 4" rating for impact resistance. (DIN Standard is (3) 9# steel balls dropped from 12 ft)
This post was edited by JML755 at 10:29:02 11/12/13.
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