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User Manual for Photographers' Formulary Tween 20 100% Solution - 100 ml Click to enlarge the picture
Contents of the user manual for the Photographers' Formulary Tween 20 100% Solution
- Product category: Alternative Process & Miscellaneous Chemistry Photographers' Formulary
- Brand: Photographers' Formulary
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Photographers' Formulary Alternative Process & Miscellaneous Chemistry
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User manual for the Photographers' Formulary Tween 20 100% Solution contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Photographers' Formulary product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Photographers' Formulary user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Photographers' Formulary product will considerably shorten its lifespan!
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Product description Photographer's Formulary's Tween 20 , also known generically as Polysorbate 20 or sorbitan mono-9-octadecenoate poly(oxy-1,1-ethanediyl), is a surfactant and spreading agent. - First proposed for use in hand coated photographic printmaking by Dr. Michael Ware of the U.K. It is used extensively in industry but is usually confined to pharmaceuticals and other high-end applications due to its cost.
- Tween 20 allows more emulsion to be put on the paper without the streaking and flaking that are normally associated with heavy coating.
- Tween 20 does not "pull" the emulsion all the way through to the back side like Kodak PhotoFlo does.
- It is typically used in very high dilutions. A 10 percent solution is a usual starting point, but some use it as dilute as a .1 % solution. Tween 20 almost always eliminates any need for double coating.
UPC: 675152147905 Table of Contents
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Technical parametersPhotographers' Formulary 10-1479 100ML Specs | Synonyms | Poly(oxyethylene)(20)-sorbitane monolaureate
Polyoxyethylenesorbitan monolaurate
Armotan PML-20
Capmul | | Appearance | Yellow to brownish-yellow oily liquid | | Uses | Argyrotype Process
Cyanotype process
Platinum and palladium printing
Coating papers
Wetting agent | | Chemical Formula | C58H114O26(w + x + y + z = 20) | | Notes | Tween 20 is very suitable for Silversafe and Buxton papers, but may interact unfavorably with gelatin-sized papers. | | | | Package Weight | 0.5 lb | | Box Dimensions (LxWxH) | 4.4 x 1.3 x 1.1" |
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