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Jun 9, 2019 - 4:45:33 PM
227 posts since 6/14/2008

So I'm new to making varnish and I've got white shellac, sandarac and copal crystals. I'm trying to make a 50/50 shellac/sandarac mix and I'm ending up with with a thin nothingness before filtering. I'm pulverizing the dry mixture in a mortar and using 190 proof grain alcohol. I'm searching for a recipe with proper proportions. I don't need a huge amount, this is for varnish repair.

Also, how long do you let the mix sit before filtering?

All help appreciated.

thx

Randy

Jun 10, 2019 - 3:31:40 AM

kjb

USA

634 posts since 6/8/2013

the classes I took on repair, used shellac only for repair , mixed with dry pigments. it is much easier and the class was by hans nebel

Jun 10, 2019 - 6:20:20 AM

91 posts since 8/26/2016

Joseph Michelman's "Violin Varnish" book is a good starting place.

Maestronet forum "Pegbox" section also has many interesting and informative threads on making varnish both oil and spirit.

Jun 10, 2019 - 7:40:22 AM

227 posts since 6/14/2008

Yeah. This is for Hans' class.
quote:
Originally posted by kjb

the classes I took on repair, used shellac only for repair , mixed with dry pigments. it is much easier and the class was by hans nebel


Jun 10, 2019 - 7:40:57 AM

227 posts since 6/14/2008

OK, thx
quote:
Originally posted by michaeljennings

Joseph Michelman's "Violin Varnish" book is a good starting place.

Maestronet forum "Pegbox" section also has many interesting and informative threads on making varnish both oil and spirit.


Jun 10, 2019 - 9:29:02 AM

kjb

USA

634 posts since 6/8/2013

it is a good class , I think you will have a good time and learn a lot. I took three classes from him

Jun 10, 2019 - 10:05:53 AM

kjb

USA

634 posts since 6/8/2013

Sorry I was not very clear about the shellac thing, I did not mean the commercial shellac
I meant the alcohol based varnish that you are talking about, I bought it at international violin, and I think the kremer had the pigments, , ,
also some small bottles, like the kind hotels used to have jelly in ,with lids
I found small dropper type brown bottles to put small amounts of varnish in ,
and some small glass bowls, like holds a couple of tablespoons, I think i got them at walmart , for mixing pigments, also a mixing tray like for painters , and brushes are the majority of what you will use. also the darker the violin you bring the easier it will be to match. a redish one is more difficult.
Its a funny town, not a lot to choose from as far as supplies, there is a wall mart south west of town , it is a beautiful place and the workshop is good also. and hans is quite a character , and an encyclopedia of knowledge. take lots of pics but no videos allowed.

hope you have a good time.


sorry for the misinformation there its been a couple of years.

Jun 10, 2019 - 10:07:05 AM

kjb

USA

634 posts since 6/8/2013

oh yes alcohol the recommended is grain alcohol that you buy at the liquor store

Jun 10, 2019 - 2:51:08 PM

227 posts since 6/14/2008

Very helpful thanks. And yes, Hans Jorgen is a hoot -- and a freaking genius.
Randy
 
quote:
Originally posted by kjb

Sorry I was not very clear about the shellac thing, I did not mean the commercial shellac
I meant the alcohol based varnish that you are talking about, I bought it at international violin, and I think the kremer had the pigments, , ,
also some small bottles, like the kind hotels used to have jelly in ,with lids
I found small dropper type brown bottles to put small amounts of varnish in ,
and some small glass bowls, like holds a couple of tablespoons, I think i got them at walmart , for mixing pigments, also a mixing tray like for painters , and brushes are the majority of what you will use. also the darker the violin you bring the easier it will be to match. a redish one is more difficult.
Its a funny town, not a lot to choose from as far as supplies, there is a wall mart south west of town , it is a beautiful place and the workshop is good also. and hans is quite a character , and an encyclopedia of knowledge. take lots of pics but no videos allowed.

hope you have a good time.


sorry for the misinformation there its been a couple of years.


Jun 11, 2019 - 3:04:18 AM

kjb

USA

634 posts since 6/8/2013

I think I was in the same boat when I went, if I remember correctly, I thought I could make some while I was there, but it takes some time soaking the material in alcohol , but my memory is a bit hazy at best on some things!!

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