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#1
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Extending Shelf Life of Minwax Wood Putty
Stan wrote:
Is there a way/method for extending the shelf life of Minwax Wood Putty after the jar has been opened? I know that the small jars only cost less than $3/per but it sure seems a waste to have to buy a new jar of each color 4 months after each one has been opened and a little bit used. Thanks in advance.... Open the lid .. blow in a little propane from a torch .. close the lid. Propane, being heavier than air will sink to the bottom, effectively keeping the oxygen away from the putty, which needs oxygen to cure/dry. |
#2
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Extending Shelf Life of Minwax Wood Putty
Stan wrote:
Is there a way/method for extending the shelf life of Minwax Wood Putty after the jar has been opened? "__ Bob __" wrote Open the lid .. blow in a little propane from a torch .. close the lid. Propane, being heavier than air will sink to the bottom, effectively keeping the oxygen away from the putty, which needs oxygen to cure/dry. Of you could simply store the cans upside down. -- Don Phillipson Carlsbad Springs (Ottawa, Canada) |
#3
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Extending Shelf Life of Minwax Wood Putty
Don Phillipson wrote:
Stan wrote: Is there a way/method for extending the shelf life of Minwax Wood Putty after the jar has been opened? "__ Bob __" wrote Open the lid .. blow in a little propane from a torch .. close the lid. Propane, being heavier than air will sink to the bottom, effectively keeping the oxygen away from the putty, which needs oxygen to cure/dry. Of you could simply store the cans upside down. How would storing the can upside down stop the air already in the can from starting the curing process ?? |
#4
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Extending Shelf Life of Minwax Wood Putty
__ Bob __ wrote:
Don Phillipson wrote: Stan wrote: Is there a way/method for extending the shelf life of Minwax Wood Putty after the jar has been opened? "__ Bob __" wrote Open the lid .. blow in a little propane from a torch .. close the lid. Propane, being heavier than air will sink to the bottom, effectively keeping the oxygen away from the putty, which needs oxygen to cure/dry. Of you could simply store the cans upside down. How would storing the can upside down stop the air already in the can from starting the curing process ?? I don't think it's as much the little bit of air "stored" above the contents which causes the hardening as it is the pressure differentials between the inside and outside of the container caused by temperature and atmospheric pressure changes. Those cause solvent vapor out and air leakage in through the minute gaps around the lid, which almost never seals perfectly once its been opened. Having the contents resting against the seal joint is better, because it's a lot harder to force liquid through a small leak than solvent vapors or air, plus the contents will dry in the leak and seal it. I started storing all my partially used cans of paint upside down about 20 years ago and know they "keep" much better that way. The last can of "Plastic Wood" I bought had it's can's "label printing" upside down with instructions to store it lid end down for the reasons mentioned above. Works for me, Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10^12 furlongs per fortnight. |
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