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Old 09-21-2010, 10:18 PM   #21
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ProMar 200 xp is a labor saving product that will give the performance and look of 1 prime coat and 2 topcoats in a system of using just 2 coats of xp.

Where it saves labor is when you are doing a specified job that is spec'd 1 prime 2 top, most architects will approve 2 coats of this material. I have had people win jobs with these labor savings.
Hey that's BM line. WTF!
Why I think it sucks cause the touch up is worthless. I've had it right out of the same bucket of the original. And it looked like horse sh!t. Sorry, but the labor you save due too 2 coats gets burned up in touch up. Only speaking with my experience, and it's determined that it sucks.
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Old 09-22-2010, 01:06 AM   #22
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what happens when you apply any product twice at 10 mil wet?

1200 scrubs is nothing to get excited about with paints doing more than twice that at 4mil wet
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Old 09-22-2010, 06:54 AM   #23
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more power to them if they walk such a thin line. To me, thats not a fun project.

^this.
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Old 09-22-2010, 08:28 AM   #24
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what happens when you apply any product twice at 10 mil wet?

1200 scrubs is nothing to get excited about with paints doing more than twice that at 4mil wet
I always thought scrub tests were done on dry mils. Being an advocate of keeping callbacks to a minimum, scrubbing a wall before a repaint is IMO a good idea. 1200 scrubs is a great way to test but kind of overkill in the real world.
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Old 09-22-2010, 10:02 PM   #25
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I always thought scrub tests were done on dry mils. Being an advocate of keeping callbacks to a minimum, scrubbing a wall before a repaint is IMO a good idea. 1200 scrubs is a great way to test but kind of overkill in the real world.

Scrubs are on dry film? My point was at 4 mils wet and less than 2 dry vs apply 10 mil to get 4.6 dry and 1200 scrubs
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Old 09-22-2010, 11:17 PM   #26
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Scrubs are on dry film? My point was at 4 mils wet and less than 2 dry vs apply 10 mil to get 4.6 dry and 1200 scrubs
Yes, the paint is dry and cured. There are several ASTM codes that cover this. 1200 scrub cycles is overkill. 300-500 is fairly standard. The greater the millage wet or dry, the number of scrub cycles is going to increase. The equipment used is pricy and like any piece of mechanical equipment there is a certain level of innacuracy, due to the wear on the brushes and the type abrasive used. Operator error plays a part too.

Another one that is subject to much discussion and controversy is gloss level. The meters are very accurate. The operators aren't.

Many coatings are applied at even greater thicknesses than 10 wet mils.

In polymers the shrink rate is significant what might be considered a "thick" application will dry and cure to many times far less than the wet millage.

There is some fudging that goes on too, as in many coats of a material that normally is a 1 or two coat application and the scrub test is performed on the "many" coat application. Something they never tell you, even in the fine print.

Fortunately most paintmakers do not pull this and the chief offenders are the makers of that flat that is a high Kaolin fraction that looks great until somebody breathes hard on the stuff..
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Old 09-22-2010, 11:30 PM   #27
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Yes, the paint is dry and cured. There are several ASTM codes that cover this. 1200 scrub cycles is overkill. 300-500 is fairly standard. The greater the millage wet or dry, the number of scrub cycles is going to increase. The equipment used is pricy and like any piece of mechanical equipment there is a certain level of innacuracy, due to the wear on the brushes and the type abrasive used. Operator error plays a part too.

Another one that is subject to much discussion and controversy is gloss level. The meters are very accurate. The operators aren't.

Many coatings are applied at even greater thicknesses than 10 wet mils.

In polymers the shrink rate is significant what might be considered a "thick" application will dry and cure to many times far less than the wet millage.

There is some fudging that goes on too, as in many coats of a material that normally is a 1 or two coat application and the scrub test is performed on the "many" coat application. Something they never tell you, even in the fine print.

Fortunately most paintmakers do not pull this and the chief offenders are the makers of that flat that is a high Kaolin fraction that looks great until somebody breathes hard on the stuff..
I don't care what the others say (obviously), I think you are awesome!

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Old 09-22-2010, 11:40 PM   #28
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Sorry Retired.. I wasn't asking if it was performed on dry kinda of a no brainer.

I should have underlined it. Scrubs are on dry film? whatyoutalkingaboutwillis I thought you lost it there when you said "I always thought scrub tests were done on dry mils."
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