Filters
1.50€ – 15.00€
Untreated Clear Polyester Film
94.00€
Color Pastes
12.00€ – 58.00€
DAS For Carbon Printing CAS 2718-90-3
40.00€ – 1,100.00€
Calibration eBook
60.00€
Technical Guide to Gum Printing
60.00€
40.00€ – 1,100.00€
In 2023 I organized a group order of DAS to have a custom batch of 160kg manufactured. Since most carbon printers bought a lifetime supply, it’s unlikely there will be enough interest to repeat this for a long time, but maybe I’m wrong. Send me an email to be placed on a mailing list for the next group order.
4,4′-Diazidostilbene-2,2′-disulfonic Acid Disodium Salt Tetrahydrate CAS 2718-90-3, also known as DAS, is used as a less toxic alternative to dichromate in carbon, collotype, photogravure, casien, and PVA printing. Click here for more information about DAS.
If you are in the USA, you can order off of Amazon as well.
250g and 25g Black HDPE bottles
Purity 99.86%
Besides being less toxic, the most important advantage of
DAS over dichromate is stability. Dichromate-sensitized
emulsions suffer from the dark reaction before exposure
and the continuing action of light after exposure. These
reactions cause errors in calibration.
Click here for more information about DAS (Disodium 4,4’-diazidostilbene-2,2’-disulfonate tetrahydrate)
Download the Safety Data Sheet
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