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discharge emulsion question
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Topic: discharge emulsion question (Read 2700 times)
balloonguy
!!!
Hero Member
Posts: 984
discharge emulsion question
«
on:
January 10, 2019, 10:42:33 AM »
do all emulsions for discharge diazo activated? Does anyone make a cap film that can be used for discharge/water base? I get a call for it 3 - 4 times a year. I don't want to buy a gallon every time. This one is very short run. It is 36 pieces.
Thanks.
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When you dig grave will you make it shallow so that I can feel the rain?
Maff
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Sr. Member
Posts: 380
Re: discharge emulsion question
«
Reply #1 on:
January 10, 2019, 11:01:19 AM »
There are photopolymer emulsions rated for discharge and waterbase that can be Post Exposed and will hold up fine especially for short runs.
You could also try using a reclaimable hardener spray.
For a 36 piece run you may be able to just run the emulsion you have with a hardener or post expose it if it's a photopolymer.
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Orion
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Hero Member
Posts: 764
Ain't no shortcuts in screen printing.
Re: discharge emulsion question
«
Reply #2 on:
January 10, 2019, 01:46:05 PM »
Take a look at KIWO MultiTex.
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Dale Hoyal
kirkwad
Verified/Junior
Posts: 87
Re: discharge emulsion question
«
Reply #3 on:
January 10, 2019, 02:05:54 PM »
Quote from: Orion on January 10, 2019, 01:46:05 PM
Take a look at KIWO MultiTex.
Yeah, KIWO MultiTex works good. Also Saati PHU 2 works good as well. You could always just buy a quart of emulsion & bust it out when needed. Most photopolymer emulsions have a good shelf life.
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balloonguy
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Hero Member
Posts: 984
Re: discharge emulsion question
«
Reply #4 on:
January 10, 2019, 06:38:56 PM »
Thanks. I will try the saati. I can get it very easily. It is such a small run I just want it to be easy.
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When you dig grave will you make it shallow so that I can feel the rain?
kirkwad
Verified/Junior
Posts: 87
Re: discharge emulsion question
«
Reply #5 on:
January 11, 2019, 08:28:17 AM »
Be sure to post expose your screens for optimal resistance.
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screenxpress
!!!
Gonzo Member
Posts: 2434
Re: discharge emulsion question
«
Reply #6 on:
January 11, 2019, 11:43:10 AM »
I would not discount quarts of Green Galaxy CryoCoat Emulsion which is marketed as good for discharge, plastisol, and waterbase without the need of a hardener.
I have used it on low production discharge runs and I don't like to buy a two part emulsion that has a short life after mixing. I use it for both discharge and plastisol. It's very cost effective.
And our Danny Gruninger has posted his testimonial (paid? lol) of the product with various test exposure results
https://www.screenprinting.com/products/green-galaxy-cryocoat-emulsion
«
Last Edit: January 11, 2019, 11:58:41 AM by screenxpress
»
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Anything important is never left to the vote of the people. We only get to vote on some man; we never get to vote on what he is to do. Will Rogers
tonypep
Ludicrous Speed Member
Posts: 5681
Re: discharge emulsion question
«
Reply #7 on:
January 11, 2019, 11:55:43 AM »
A reminder....don't forget the exposure unit as a variable. Flourescent, halide, and LED units may often yield different results.
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tpepitone@jnjapparel.net
balloonguy
!!!
Hero Member
Posts: 984
Re: discharge emulsion question
«
Reply #8 on:
January 11, 2019, 01:42:20 PM »
Thanks for the info. I normally leave my screens in the FL sun to dry. Will that work for post expose or should they go back in the exposure unit?
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When you dig grave will you make it shallow so that I can feel the rain?
tonypep
Ludicrous Speed Member
Posts: 5681
Re: discharge emulsion question
«
Reply #9 on:
January 11, 2019, 01:58:01 PM »
Depends on the weather! Either way post exposing and hardening is just good insurance.
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tpepitone@jnjapparel.net
Rockers
!!!
Gonzo Member
Posts: 2073
Re: discharge emulsion question
«
Reply #10 on:
January 11, 2019, 11:53:53 PM »
Chromaline ChromaTech DEX will work in that case. It`s an SBQ emulsion.
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discharge emulsion question