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Lesson Plans

Re: Photo silkscreen

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Susan Palfrey (spalfre1)
Wed, 10 Dec 1997 16:58:08 -0500

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It's been a couple of years since I did this, but I took some notes because
it took some experimenting. Here are my edited notes:Mix 2 2 tsp.
Emulsion with 2 tsp. sensitizer. Use brush to remove emulsion from
measuring spoons. Pour a bead onto one end of the screen. Use a credit
card (old) to spread emulsion. (Scrape both sides as emulsion will go
through) Have a palette knife handy to pick up extra emulsion.

Setup for 8/10/95 was light attached to shelf over counter (distance about
18". Exposure time was 12 minutes and worked well.
Set up 10/10/96: Distance from bottom of bulb to screen was 23.25 inches.

Time: optimum 13 to 13.5 minutes. 14 minutes worked but was a little hard
to rinse out. 12.5 minutes didn't seem like quite enough, but worked.
Depends on how long screens have been drying also.

A couple other notes: I found that exposing the screens as soon as they
were dry (within a couple hours worked the best. I used an 150 watt photo
flood bulb. The larger the work is, the farther away the bulb needs to be
from the screen to expose it evenly. Dry screens flat.

Sue Palfrey
Multimedia and Art Teacher
Falmouth Middle School
Falmouth, Maine

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