That would be Ilfotec HC.
Without either "HC" or "110" in it's name, I would have never guessed that this product has any connection to Kodak HC-110.The variation in name might have something to do with the current licensee for Kodak branded photo-chemicals no longer using HC-110 as their product name:
View attachment 406946
Without either "HC" or "110" in it's name, I would have never guessed that this product has any connection to Kodak HC-110.
The HC
The "HC" in HC-110 almost certainly meant "Highly Concentrated".
From this well known HC-110 resource: https://www.covingtoninnovations.com/hc110/
View attachment 406952
I've read, in other corners of the Web, that it means "High Contrast."
I guess I'm just totally out of touch, because I never heard of your well known resource, either. ;-)
Which would make no sense
Well, I've used HP-5 since it was introduced in 1976 (HP-4 before that), and tried all the developers generally available including HC. HP-5 is my main B&W film. IMHO the best developer is HC-110 Dilution B. Period.
I know.
Just goes to show how much nonsense one reads on the web.
And given current pricing, I thought it meant Highly Cash-Intense
I'm not totally sure of that.
$44 USD to develop ~166 rolls of film.
$0.27 per roll isn't as bad as it initially seems.
I haven't done the math, but I strongly suspect I am paying far less than that for home-grown D-23, Pyrocat-HDC, Beutlers, etc.
I did find a data sheet for Kodak HC-110, J-24, from Alaris dated Dec. 2017. So far, I have not found a data sheet for the new renamed version.The Kodak data sheets for HC-110 also describe it as "highly concentrated".
The Kodak-Alaris data sheet from Dec. 2017 also says a stock solution of Kodak HC-110 has a 6-month storage life, but it is unclear if that would also be true for the new-name version.
That refers to the stock solution, not the concentrate right out of the bottle.
You make the stock solution by diluting the concentrate 1 + 3. That was what commercial labs and other high volume users did/do.
The old, original HC-110 - the one formerly made by Eastman Kodak, then made under contract for Eastman Kodak, then made under contract for Kodak Alaris, until Tetenal went bankrupt - i.e, the really viscous stuff - was the one with legendary longevity - so legendary that no longevity information was included in the datasheet.
After Tetenal went bankrupt, and the really complex and expensive mode of manufacturing the really viscous stuff went away, a new version of still concentrated stuff replaced it. That version was designed to perform and did perform in essentially the same way as the old, really viscous stuff.
J-24, describes the care that one needed and still need to take when mixing working strength dilutions direct from concentrate. You will note that there isn't any storage life information on J-24 for the concentrate, and that is because even the less viscous post Tetenal bankruptcy stuff appears to have very long life. It is only the change in the MSDS that gives a clue that the long life is unlikely to be as legendary.
As for Photo Systems not providing new datasheets, they appear to have designed their production to emulate accurately the former performance of the various products they are manufacturing under the Kodak name. Their High Concentrate developer - "Same Great product with a new Name" is probably exactly the same as the less viscous version of HC-110. In fact, they were likely the ones making that HC-110 version for Kodak Alaris, followed by Sino Promise. As a result of the design for emulation approach, they appear to be happy to rely on the datasheets for developers that are still hosted on the Kodak Alaris site.
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