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  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Wed Dec 06, 2017 1:33 pm   Subject: Preparation of Hide Glue
I am not contradicting his claims, just some of the statements about hide glue that are simply not true and easily proven so by simple experimentation. The application of hide glue is certainly old, b ...
  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Wed Dec 06, 2017 11:13 am   Subject: Preparation of Hide Glue
I do not work with cold glue. I am simply offering the facts of my extensive experimentation. There is a lot of horror hype floating around about hide glue with no scientific experimentation offered t ...
  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Tue Dec 05, 2017 8:03 pm   Subject: Preparation of Hide Glue
Heating glue to 145 degrees is too hot and will break down the protein and weaken it. 125 -135 degrees is preferred. The notion that joints must be clamped before the glue gels is entirely false and n ...
  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Tue Dec 05, 2017 4:05 pm   Subject: Preparation of Hide Glue
No, I have read this. It is full of mis-information that is not based on fact.
  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Fri Nov 24, 2017 11:48 am   Subject: Preparation of Hide Glue
I find the long clamp times totally unnecessary as long as the parts are not under some unusual stress. Some gluing is done as a rubbed joint without clamps and these joints are extremely strong. I cl ...
  Topic: Preparation of Hide Glue
ssorli

Replies: 43
Views: 153508

PostForum: Violin Making and Restoration Forum   Posted: Fri Nov 24, 2017 11:41 am   Subject: Preparation of Hide Glue
According to the writing of master woodworker Samuel Wolfenden 100 years ago, heating glue above 125 F will destroy the protein of the glue and make it weaker. This may be a bit extreme, I usually go ...
  Topic: Hide Glue Experiment
ssorli

Replies: 13
Views: 13036

PostForum: Violin Making and Restoration Forum   Posted: Fri Nov 24, 2017 11:25 am   Subject: Hide Glue Experiment
Size helps to keep glue from soaking too much into the wood and leaving too little in the joint to make it strong. I dilute a mixed batch of glue with 7 parts more of water. That is 1 part glue and 7 ...
  Topic: Hide Glue Experiment
ssorli

Replies: 13
Views: 13036

PostForum: Violin Making and Restoration Forum   Posted: Thu Nov 23, 2017 6:05 pm   Subject: Hide Glue Experiment
One of the tests I did was at 76 degrees room temp. 251 gram with no sizing. The 15 second open time test broke at the joint whereas all of the other test pieces broke the wood and the joint stayed gl ...
  Topic: Hide Glue Experiment
ssorli

Replies: 13
Views: 13036

PostForum: Violin Making and Restoration Forum   Posted: Sun Nov 19, 2017 8:52 pm   Subject: Hide Glue Experiment
There is no trace of any glue in the joint. Only the torn out fragments of wood. I brushed the glue medium to heavy. Wood joined was basswood.
  Topic: Hide Glue Experiment
ssorli

Replies: 13
Views: 13036

PostForum: Violin Making and Restoration Forum   Posted: Sun Nov 19, 2017 4:45 pm   Subject: Hide Glue Experiment
I have been doing some tests with 251 gram glue (from Milligan &Higgins) without urea to see how much open time I actually have. I did some test pieces with the glue at 135 degrees and the room te ...
 
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