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casein?

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  • Member since
    October 2017
casein?
Posted by Jay Bones on Thursday, August 23, 2018 10:13 PM

Just heard of this milk based product.  Apparently it is considered the queen of plastic, coming from a combination of milk and vinegar, heat then scraping the congealed stuff off the surface.  Can be molded until it cools, takes pigments well, but needs formaldehyde to be fully sured.

A fellow on a guitar forum was talking about making his own picks with it- skim milk and vinegar in a saucepan over heat.  Scraping the casein off as it formed, then smahing together the pieces, using a pick shaped press to form them.

Apparently there was also a kid's toy back in the day that sent more kids to the hospital with serious burns than anything else.

  • Member since
    July 2013
  • From: Chicago area
Posted by modelmaker66 on Friday, August 24, 2018 2:08 AM

Why did you post this?

  • Member since
    March 2010
  • From: MN
Posted by Nathan T on Friday, August 24, 2018 8:18 AM

Wasnt it also a type of wood glue used in aviation way back? Btw, how did the homemade pics sound?

 

 

  • Member since
    January 2013
Posted by BlackSheepTwoOneFour on Friday, August 24, 2018 8:36 AM

modelmaker66

Why did you post this?

 

My thoughts exactly. I’m clueless how this is hobby related.....

  • Member since
    September 2012
Posted by GMorrison on Friday, August 24, 2018 8:57 AM

JB- its what Elmers used to be, hence Elmer and Elsie and all that. Mammalian milk protein.

Any old school cabinet shop had cans of the stuff.

It's completely non-toxic, which made it popular for school suppiles and water based paints before acrylics became prevalent.

 Modeling is an excuse to buy books.

 

  • Member since
    July 2012
  • From: Douglas AZ
Posted by littletimmy on Friday, August 24, 2018 3:19 PM

GMorrison
JB- its what Elmers used to be, hence Elmer and Elsie and all that. Mammalian milk protein.

I'm almost positive that this stuff was what I ate ..... in kindergarden.

 Dont worry about the thumbprint, paint it Rust , and call it "Battle Damage"

  • Member since
    July 2004
  • From: Sonora Desert
Posted by stikpusher on Friday, August 24, 2018 6:37 PM

littletimmy

 

 
GMorrison
JB- its what Elmers used to be, hence Elmer and Elsie and all that. Mammalian milk protein.

 

I'm almost positive that this stuff was what I ate ..... in kindergarden.

 

not paste?

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Saturday, August 25, 2018 6:24 AM

Old timers like me do remember casein glue.  Solid model kits came with it.  It was in a small paper envelope- mix powder with water.

In those pre-plastic days, solid models (non-flying models) came as blocks of wood.  You carved each block, then glued major parts together.  Thing is, it took overnight to dry. So we always just threw that package in the trash and used model airplane glue.

 

Don Stauffer in Minnesota

  • Member since
    May 2013
  • From: Indiana, USA
Posted by Greg on Saturday, August 25, 2018 11:11 AM

littletimmy
I'm almost positive that this stuff was what I ate ..... in kindergarden.

WHAT?!?! I was supposed to stop eating that stuff after kindergarten?

Does this mean I have to thow mine out?

PS, remember the lids with the paddle applicators sticking out the underside?

  • Member since
    June 2014
  • From: New Braunfels , Texas
Posted by Tanker - Builder on Saturday, August 25, 2018 11:18 AM

Oh , Good Heavens !

 I thought that stuff went the way of the Do-Do . I used it to put solid model airplanes together to many years ago .Thought that was why Model Airplane Glue was invented , you know , Ambroid ?

  • Member since
    October 2004
  • From: Orlando, Florida
Posted by ikar01 on Saturday, August 25, 2018 12:17 PM

Sort of reminds me of the C Rations they used to give us.

 

I emember doing those old wooden kits.  On the bigger ones you had to put weights in the hole in the bottom of the fuselage and seal the plug before more sanding.  Then there was teh decals for windows and pins to hold teh props.

  • Member since
    March 2013
Posted by patrick206 on Saturday, August 25, 2018 1:28 PM

Man, I hadn't even thought of that glue since forever. That goes back to the old Strombecker solid models I cut my eye teeth on, 70 years ago.

I still have the remnants of a few, the Convair, a float plane and a bi-plane. Thanks for the post, it made for some nice recollections.

Patrick

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Sunday, August 26, 2018 6:30 AM

Tanker - Builder

Oh , Good Heavens !

 I thought that stuff went the way of the Do-Do . I used it to put solid model airplanes together to many years ago .Thought that was why Model Airplane Glue was invented , you know , Ambroid ?

 

I was a Testors guy myself.  It was cheaper, but a smaller tube.  Once I got to where I could afford it, and into heavier flying models (the RC stuff) I did move to Ambroid.  I also remember Lepage.  I think Lepage was marketed as a general purpose cement, whereas Testors sold theirs as Model Airplane Cement.

 

Don Stauffer in Minnesota

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