REFLECTOR: Forming molds
Richard Riley
richard at riley.net
Sat Apr 22 01:11:16 CDT 2006
At 01:15 PM 4/20/2006, you wrote:
>I have a really good kitchen oven with digital temp control- heated it to
>the recommended molding temp - can't remember off hand- used polycarbonate
>sheet- 3/32- got it at Lowes- shielded the plastic from direct IR with some
>cement board to prevent over cooking it- let it heat for about 20 minutes
>-molded really well
Acrylic is WAY easier to form than polycarbonate. As I understand
it, you have to bake polycarbonate for a pretty long time at a lower
temperature to drive off the moisture, then raise the temp toget it soft.
And acrylic doesn't scratch as easily as polycarbonate.
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