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Thread Number: 49453
Why Not Washer's? |
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Post# 715325 11/14/2013 at 13:14 (3,808 days old) by ultramatic  (New York City) |
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Post# 715354 , Reply# 1 11/14/2013 at 15:21 (3,807 days old) by jetcone (Schenectady-Home of Calrods,Monitor Tops,Toroid Transformers) |
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kewl  | ||
| Post# 715365 , Reply# 2 11/14/2013 at 16:28 (3,807 days old) by PhilR (Quebec Canada) | ||
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| Post# 715374 , Reply# 3 11/14/2013 at 17:08 (3,807 days old) by rustyspaatz () | ||
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I think you would have to remove the plastisol to give the porcelain something solid to adhere to.
Granted, for some dishwashers, this ISN'T a problem.
It would be a great way of saving an otherwise cool appliance. | ||
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Post# 715384 , Reply# 4 11/14/2013 at 18:06 (3,807 days old) by kb0nes (Burnsville, MN) |
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Its pretty 'spensive for sure. He quotes $750 for a 42" sink!
The part to be coated will be heated to the flow temperature of glass, which means your part will be a bright red color @ ~1500 deg F. I wonder about warpage issues. Indeed the Plastisol would have to be gone, otherwise it would just burn off! I wonder how tough it would be to strip off the old porcelain, I should try shot blasting a washer lid sometime in our blast cabinet at work. I'm curious as then it would be possibly to epoxy powder coat the parts. Of course the powder coating isn't anywhere close to as durable as the true porcelain would be, but then again you could do all the parts of a given machine for less then $200 total... The look would be pretty similar at least. | ||
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Post# 715392 , Reply# 5 11/14/2013 at 19:10 (3,807 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Re-coating or otherwise Porcelain Enameling Steel  One of the problems is removing the old finish without destroying the metal, I have been told that on many old appliance parts the metal is too thin to strip with making holes in it. Another problem is warping the metal when firing, as Phil mentioned, something like a plastisol DW tank is not only very thin but the part was not engineered to withstand 1500 F so it may very likely not work.
For a sink, bathtub, range top, oven liner, and a washers inner basket there is no good substitute for real porcelain enamel, but for other applications when restoring an appliance Powder Coating or epoxy enamels are very good products. | ||
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