Wheat Flour Paste for Bookbinding // Adventures in Bookbinding

This video demonstrates making wheat flour #paste as a bookbinding #adhesive. Until recently I used refined starch to make paste for all my bookbinding paste needs. Starch paste is considered the gold standard for paper repair. However, not everyone has easy access to refined starch so I was exploring the use of flour for paste as a way to make bookbinding more accessible. In the process I discovered in the excellent book by Kathy Abbott the advice that flour paste is superior, compared to pure starch paste, for bookbinding due to the greater strength obtained due to the gluten. Pure starch paste remains the recommended paste for paper repair. I have started using wheat flour paste for leather binding.

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00:00 Wheat Flour Paste for Bookbinding
00:20 Water to wheat ratio
04:00 Straining for use
06:00 Demonstration with paper
06:50 Demonstration with leather
08:40 Shameless Patreon plug

Bookbinding A Step-by-Step Guide; Kathy Abbott 2017
1 Heaped tablespoon of organic plain flour
1/4 ltr of cold water(filtered or disrilled if possible)
Cook for 20 minutes in double boiler

The Thames and Hudson Manual of Bookbinding; Arthur Johnson1998
3 1/2 Oz (100g) plain flour
1 level teaspoonful alum
7/8 pint (1/2 litre) cold water
2 drops of formaldehyde (DAS not recommended)
Cook in double boiler

Bookbinding and the Care of Books; Douglas Cockerell 1910
2 Oz of flour
14/ Oz powdered alum
1 pint of cold water
Cook in saucepan for 5 minutes

Bookbinding by Hand; Laurence Town 1963
1 cupful of white flour
1 teaspoonful of ground alum
3 cupfuls of water
Cook for 5 minutes (once it has thickened) in a double boiler
Complex story about the detrimental effects of alum on paper and recommendation of adding precipitated chalk to neutralise free acid

The Restoration of Leather Bindings; Bernard C. Middleton 2011 reprint
340g (12 ounces) of plain wheat flour
2 litres (about 70 ounces) of water - except BCM has a personal preference for thicker paste and would use 25% more flour - 425g
Cook while stirring constantly (or will certainly burn)
10g of loose thymol crystals after cool as preservative

The #DASBookbinding Channel is the perfect starting point for learning #bookbinding. It covers foundation skills, simple projects, technical methods, materials and more advanced bookbinding projects. The videos are presented in a tutorial or lesson fashion, which I hope are easy to follow. The knowledge presented is based on traditional techniques which can be used to create traditional books or as a foundation to quality journalling or creative artists' books. The best way to find what you are looking for is the DAS Bookbinding YouTube Channel guide.
https://dasbookbinding.com/2019/12/14/youtube-channel/

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The music used in this video is performed by Jon Sayles. Jon has some great classical guitar music on his website, which he shares freely.

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