Reference, Questions and Help > Lessons Learned

Application of Strippable Coating

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uRiaL:
ALWAYS PUT IT ON THICKEST IN THE CORNERS AS YOU WILL PROBABLY START PEELING THE GUNK FORM THERE.KEEPING THE SPRAY GUN CLEAN WILL ALSO AIDE YOU IN THE PROCESS.A DIRTY SPRAYGUN WILL ONLY CAUSE THE PAINT TO BLURT OUT IN GLOBS. :) :) :)i maybe forgotten but not too many had an edge on me for  the stippable paint.I WORKED WITH WILD MAN WORMY.You have to be moving constantly 8) 8) 8)

moke:
Hi RL,

I was wondering how many times you blurted the F word when the gun became clogged or was that Wormy's line? ::)

When the fustration hits you in the cavity, emotions take over the activity!

I can related to corner crud and I do appreciate your input.

Keep on Keeping on!

Mahalo,

Moke 8)

Pochron:
ALARA coat 1146 has to be applied thick. The surface makes a difference. A test coat is always good. This coating dries yellow and is quite easy to peel if done correctly. This type of coating leaves quite a bit of radwaste. Bartlett TLC is easier to apply. It doesn't have to be put on as thick, but should be applied per the directions. This coating dries almost clear, and is very elastic. There is minimal radwaste with this coating. There is no Ammonia in this type of coating, but the smell is still there. It will clog your nose or respirator cartridge. There will also be some plate out on the deck if not careful. Another thing to remember with both coatings is the mixing. Make sure the coatings are mixed thoroughly with no lumps, strained through a screen to remove any lumps. It’s no fun to be spraying a cavity and have the airless sprayer clog up. Remember to run at least 55gal of water through the gun and sprayer when finished. This will enable you to use the equipment at a later time. One other thing the gun should be used with an anticlog nozzle.

I once saw the coating applied using no nozzle in the gun. Dryer separator pool coated in 45 minutes, and the stripping was easy.

I don’t know if ALARA 1146 coating is still available, but the Bartlett TLC is. When the shelf life has run out the coating can still be used on non safety related decontamination projects ie: crane hooks, floors (provided they are sealed or painted), tools and equipment.
(y)

alphadude:
i think that most of the formulas origninate in florida from one company-pva type paints- williams was connected to the formulator. becareful with out of date stuff-we have had some bart. coatings go out of date and never dry.  if they were frozen or subject to extremes in temps this may also prevent proper setup.  lumping in coatings is a sign of some failures or improper handling and storage. with any protective coating-if u have lump problems when u open the can=poor quality control.  means old paint, remixed paint, improper storage, improper formulation, and so on.  using half a can of paint, then closing and reusing, leads to many problems-storage control, oxidation, lumps of dry paint.  best to use up the can when its open.

Jr8black3:
Ed, I can tell you horror stories of that crap, or great stories about it.. As a manager what do you want to hear,,LOL... If they had it back in 1987 @ C-E Canada, we could have covered the place and left, but then we wouldn't have been able to enjoy the expierence up there...

To do what Rons crew did in 14 weeks, I will never know how in the hell we did it, I guess we were all young and didn't give a crap,, Hey ED?? Why is my hair falling out??..

Hope your doing good moke..:)

Kevin Ott

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