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Rollei Black Magic RBM4 100g

Plain photo gelatin.
OUR PRICE: £32.19
Stock Status: Out of Stock
Product Code: RBM41
You Will Earn 32 points which is the equivalent of £0.64
Out of Stock items normally ship within 5 days. We will update you once order placed.

Rollei Black Magic RBM4 is 100g of plain photo gelatin which is disolved in water at the specified temperature (some wetting agent may be added, such as Tetenal Mirasol, Kodak photo-flo etc to reduce surface tension). To this can be added the light sensitive emulsion (RBM2 or RBM3) and hardener (RBM5). Depending on the type of surface to be coated, more or less photo gelatin is added to the water - for example, for Glass - being a completely non-porus surface - would require a lower concentration of RBM4 (eg. 40g per 1L). However, card or some other, more absorbant, surface would require a higher concentration (eg. 80g per 1L)

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