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Lacquer Thinner Problems

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  • Member since
    February 2021
  • From: Silverton,Oregon,USA
Lacquer Thinner Problems
Posted by TheModeler on Tuesday, April 6, 2021 11:01 PM

Hello all

I recently bought some paint thinner to use for my lacquers,as it was my first time using Lacquer thinner.Here's why I'm making a post about this:

So,I go on to transplant it to a plastic dropper bottle.I use a funnel(plastic)to pour the thinner into the dropper bottle.But almost immedeately when I poured some in,the bottle started to dissolve and discolor,and mere seconds after,it creates a hole in the bottom,thus getting thinner all over my(bare)hands,almost the exact same effect acetone does to ABS plastic.When I went to get paper towels,the thinner got extremely cold,and then either evaporated super quickly,or soaked into my pores.Is the thinner supposed to dissolve plastic and put a strange effect on skin?I am currently using Klean Strip's Orange-and-Blue 1-quart can of thinner.

Thanks

Max

Thanks,TheModeler(Novice Mode{Just for nowWink})

ON THE BENCH(My first ones):

-1:25 AMT/Round2 1969 Yenko Camaro(40% done)

-1:72 Atlantis Models Bell UH-1B Gunship Helicopter (20% done)

In the stash:

-1963 AMT 1/32 Corvette Stingray

-Tamiya Mitsubishi A6M3 "Hamp" Zero,1/76

-Atlantis Models BELL Firefighter "Old Smokey",1/76

  • Member since
    August 2014
  • From: Willamette Valley, Oregon
Posted by goldhammer on Wednesday, April 7, 2021 12:30 AM

Don't know their color coding on the can labels, but thinner is usually graded as fast, medium or slow as to evaporation rate.  Sounds like you got the fast stuff.  Thinner will feel cold as it evaporates on skin, and will leave what looks like a white deposit on skin.  Not really a deposit, just the oils in the skin have been pulled out.

Have used it to clean my hands of grease, paint, glues, resin and urethane for years in the auto body/paint trade.  Not recommended for that nowdays.

And yeah, it will melt styrofoam and some plastics in a heartbeat.

 

  • Member since
    November 2018
Posted by oldermodelguy on Wednesday, April 7, 2021 6:15 AM

Klean Strip lacquer thinner is medium dry rate thinner. It's a fairly hot thinner in that it melts certain plastics and paints. And while it's medium dry it's still fast enough to give that cool effect on skin.To me it works but I feel for my environment it could still be a bit slower, just a little retarder in it would be nice but I'm too cheap to buy the retarder. That said, sometimes I mix in a little Xlene which has a slightly slower evaperation rate than their LT alone. All that said, unless it's acrylic paint and even then sometimes I use glass mixing bottles ( they're either Testors bottles or Badger bottles I forget which but it's a set of 6 clear bottles with screw on lids).

There are many lacquer thinner compounds out there. The better ones are low on alcohol and acetone but those are common components in LT, especially the cheaper ones..

Stay away from the Klean Strip green can, that's complete junk.

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Wednesday, April 7, 2021 7:35 AM

Paint thinner is not lacquer thinner.  Most paint thinner is turpentine,  Lacquer thinner is usually a mix of stronger solvents such as acetone, mek and such

Don Stauffer in Minnesota

  • Member since
    April 2020
Posted by Eaglecash867 on Wednesday, April 7, 2021 7:57 AM

TheModeler
Is the thinner supposed to dissolve plastic and put a strange effect on skin?

Yes and yes.  Try not to get it on your skin, it will pretty much take all of the oils out of your skin and leave them a nice, chalky white color in random patches.  If you get it on your skin, just use a little hand lotion after that and your hands will be good as new.  Instead of a dropper bottle, what I would recommend is to transfer some of the lacquer thinner to a glass jar for your bench-top(I think I keep my bench-top lacquer thinner in an old dill weed jar).  For transferring solvents like that, I use a silicone funnel...you can get a set of those in the kitchen section of a Walmart.  Then, you can either use a purpose-made plastic paint pipette (which are surprisingly solvent resistant), or a small glass syringe to transfer precise amounts of the lacquer thinner to whatever you're mixing paint and thinner in.  For mixing paint and thinner, I just use ordinary Dixie bathroom cups.  The wax that lines those resists pretty much any of the paints and solvents used in modeling, with the exception of ammonia-based paints like the Model Master Acryl line.  Dixie cups do just fine with lacquer thinner, mineral spirits, alcohol, and even MEK.

"You can have my illegal fireworks when you pry them from my cold, dead fingers...which are...over there somewhere."

  • Member since
    October 2010
Posted by hypertex on Sunday, April 11, 2021 7:08 AM

Get yourself some dropper bottles made of LDPE (low density poly ethylene). Should be stamped into the bottom of the bottle somewhere with recycle code 4. They are pretty solvent resistant. I got mine at the Container Store. I use it to store paint thinner and lacquer thinner for years without a problem. However, Humbrol thinners seems to dissolve it very slowly.

  • Member since
    July 2008
  • From: Summerville, SC
Posted by jeffpez on Sunday, April 11, 2021 7:27 AM

I use empty dishwashing soap bottles, one for lacquer thinner and another for paint thinner. I've been using the same bottles for at least 5 years and they've held up well. It's easy to get a small amount of thinner from them without any mess. 

  • Member since
    November 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Sunday, April 11, 2021 8:37 AM

I buy lacquer thinner by the gallon and store a few ounces at a time in a glass jar on my bench. I do the same with paint thinner.

I use condiment jars such as relish and salsa, much of which still comes in glass jar with metal top. My modeling friends also occasionally give me baby food jars.

Just don't recycle those glass jars.

 

Don Stauffer in Minnesota

  • Member since
    April 2020
Posted by Eaglecash867 on Sunday, April 11, 2021 8:49 AM

Don Stauffer
I use condiment jars such as relish and salsa, much of which still comes in glass jar with metal top. My modeling friends also occasionally give me baby food jars.

Relish jars are the perfect size, and they even fit in the tub of my ultrasonic cleaner.  I always have 3 with MEK in them (1 for the ultrasonic cleaner, 1 for general brush/paint mixer cleaning, and 1 for clean MEK to thin decanted Tamiya primer with), and 1 with clean 99% alcohol to thin Tamiya acrylic paints with.  Can't go wrong with glass jars with metal lids. Cool

"You can have my illegal fireworks when you pry them from my cold, dead fingers...which are...over there somewhere."

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