At 08:25 AM 9/26/2002 -0400, you wrote: >Allen Zinn wrote : >From: "Alan Zinn" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Wednesday, September 25, 2002 8:55 PM >Subject: Re: [Cameramakers] Journey to the dark slide > > >> John, >> >> Don't use Formica it warps like crazy with humidity changes. >> AZ >> Maker of Lookaround panoramic camera. >> http://www.panoramacamera.us >> or >> keyword.com lookaround > > >Repy by John Cremati: > >Hi Allen, >Are you talking of the separate thin Formica sheet ( Formica which you >would glue to a wood counter top) or Formica which has been already glued >to a particle board? I know that the Formica which is glued to particle >board warps like crazy if not treated on both sides of the particle board... >I was not aware that Formica by itself will warp as I though it was some >sort of resin based material....John Cremati > >
John, Formica(TM) and other similar products is compressed paper with melamine plastic. It is useful for some camera parts where a slight warp isn't a problem A 24 in sq. darkslide would be very risky. I laminated wood veneer to formica and found that their expansion was too different and the veneer cracked. I believe conventional darkslides use a cloth/bakelite material. I've seen it in the Small Parts cat. but no thinner than 1/8 in. It ain't cheap. There was a posting a couple years ago on this list about anodizing aluminum. I wonder if that is a relatively cheap way to go? Black anodized aluminum would be very nice. AZ Maker of Lookaround panoramic camera. http://www.panoramacamera.us or keyword.com lookaround _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
