Resin, traditional recipies

tom hyle · 18th March 2011, 09:46 PM

fish-bone/hide/hoof glue is more brittle than boiled down tree sap (pitch/resin); thus it is a good ad-hesive, but a poor co-hesive for filling large gaps, setting tangs, etc. Also, I think it remains water-soluble? Thus it is not traditionally used by professional cutlers for this pupose AFAIK although my experience of Chinese spears specifically is slight. Never seen it on a sword except as a non-professional after-market repair.
I am very interested to read about pitch/resin; tree species, thickening and application techniques, etc.

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18th March 2011, 09:46 PM	#5
tom hyle Member Join Date: Dec 2004 Location: Houston, TX, USA Posts: 1,254	fish-bone/hide/hoof glue is more brittle than boiled down tree sap (pitch/resin); thus it is a good ad-hesive, but a poor co-hesive for filling large gaps, setting tangs, etc. Also, I think it remains water-soluble? Thus it is not traditionally used by professional cutlers for this pupose AFAIK although my experience of Chinese spears specifically is slight. Never seen it on a sword except as a non-professional after-market repair. I am very interested to read about pitch/resin; tree species, thickening and application techniques, etc.