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Tetenal Eukobrom AC Black and White Hydroquinone-free Paper Developer 250ml Trial Size

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E ukobrom AC, the new B&W paper developer from Tetenal is based on isoascorbate, better known as »vitamin C«. What’s the thinking behind this? Almost all conventional B&W paper developers contain the developing agent hydroquinone, a substance well-proven over many decades for the use in developer formulae. But it is precisely this substance that recently has become the subject of discussion. While some – who do not wish to dispense with its use – believe this is unjustified, other users maintain that the substance hydroquinone and its classification should be viewed more critically.



Eukobrom AC is suitable for all B&W photographic papers, irrespective of whether they are traditional baryta-based or resin coated papers, e.g. Tetenal Vario. Either type of paper can be processed in dishes, drums or small desktop processing machines. Eukobrom AC produces deep blacks, clean whites and delivers a neutral image tone. The developer concentrate can be diluted in ratios from 1+4 to 1+9. The new Eukobrom AC formula requires no special hazard information to be printed on the label. Shipping the developer – even using parcel delivery services – is unproblematic; a decisive benefit for mail order companies in particular.


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£5.45

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Processing parameters for Eukobrom AC: 0,25 litre conc for max. 10 m² (1+9) or max. 6 m² (1+4) 1 litre conc for max. 40 m² (1+9) or max. 25 m² (1+4) All information is provided for guidance only. Deviations may arise, depending upon the paper used. Shortening or extending the development time by up to 10% is possible.

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