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Old 10-30-2009, 08:07 AM
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Default Mercury Vapour exposure unit:

Ive a chance to buy this exact one:



Anyone know what the exposure times are like with mercury vapour lamps?

Thanks,
Tom.
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Old 10-30-2009, 08:09 AM
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that's not for exposing screens
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Old 10-30-2009, 08:10 AM
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Yes it is.
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Old 10-30-2009, 08:12 AM
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buy it
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Old 10-30-2009, 08:13 AM
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exposure times for various light sources
can be obtained from your emulsion supplier
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Old 10-30-2009, 08:16 AM
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I rang the company that manufactures them. Its is for exposing & can do direct & indirect stencils. They say 12 - 15 mins exposure time but I think thats way too long for a machine that costs 2000 pound sterling new.

Has anyone any experience with mercury vapour lamps & if so whats your average exposure time for direct stencil?

Thanks.
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Old 10-30-2009, 08:21 AM
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it depends on your emulsion, tom.
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Old 10-30-2009, 08:23 AM
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Also, 20 x 30 is pretty damn small if you want to do posters.
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Old 10-30-2009, 08:26 AM
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$20
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I miss steve.
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Old 10-30-2009, 08:27 AM
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Yip too small. Just measured my largest screens & they wont fit. Maybe diy metal halide is the best route. Thanks.
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