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PostPosted: Sat Jul 23, 2022 2:22 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Mon Jan 28, 2008 5:21 am
Posts: 4839
Location: Central PA
First name: john
Last Name: hall
City: Hegins
State: pa
Zip/Postal Code: 17938
Country: usa
Focus: Build
Status: Professional
I have been working with HHG for 22 yrs I never used anything . I do heat thing up a bit with a hair dryer or heat lamp
you do want to practice your gluing technique a few time so you can cut down the process time.
still your experiment will be interesting to follow.

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PostPosted: Mon Jul 25, 2022 1:18 pm 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Mon Mar 06, 2006 10:10 pm
Posts: 2476
Location: Argyle New York
First name: Mike/Mikey/Michael/hey you!
Last Name: Collins
City: Argyle
State: New York
Zip/Postal Code: 12809
Country: U.S.A. /America-yea!!
Focus: Build
Status: Professional
use fish glue-it works

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PostPosted: Sun Aug 28, 2022 4:56 am 
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Walnut
Walnut

Joined: Sun Apr 10, 2022 5:45 am
Posts: 28
First name: Juergen
Last Name: Gartemann
City: Bielefeld
State: NRW
Zip/Postal Code: 33719
Country: Germany
Focus: Build
Status: Amateur
In the meantime I have tested the open time with several different hide glues and with different percentages of urea and 40% vinegar. With 30% urea I have an open time more than 10 minutes, with 20% vinegar I have an open time of nearly 7 minutes. The difference between them is the strength. With urea the strength may decrease, with vingar it may increase about 20%.
I searched for more information and found a coursework from the Technical University of Munich from 2002 with a lot of recipes to make hide glue fluid at room temperature.
Now I will try to get a dissertation about testing some of these recipes from the University of Aachen out of 1991. I hope to be successful and will post the results.



These users thanked the author Juergen for the post (total 2): Colin North (Sun Aug 28, 2022 8:05 am) • SteveSmith (Sun Aug 28, 2022 6:32 am)
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