ryan brown
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- October 23, 2010 at 4:03 am #24547
Hell almost every OEM is price matching these days, why are you guys still fuking with the Tong Yangs???:P
I always give them a reducer bath and treat as raw. We won’t use recons either. We will use an A/M but I have yet to see a recon that was worth two sh!ts.
October 22, 2010 at 4:27 am #24487Do you have a 3-stage filter? i have heard of getting dirt in the job if your coalescer is saturated.
October 22, 2010 at 4:14 am #24484If you use the 2 gun method with your blender it will help a ton with dryness in your blend area.
October 22, 2010 at 4:10 am #24482If the wb06 and some of the pearls get exposed to higher or lower temps they will seed. The temps dont really have to be real extreme either. I didn’t like to let mine get below 55 degrees. If it strains really slow it will probably wind up seedy.
If you are getting fisheyes when it’s humid it’s called splashing. I didn’t have a problem with it but I have heard of it happeneing to a lot of guys. I would adjust my heat in the booth and nozzle size to account for the humidity.
Fisheyes in the base can also be caused by light contamination or a little cleaner left behind. A good way to help this is to degrease like normal with waterborne and solventborne degreasers and do a final wipe down with sprayway glass cleaner.
Cromax has a few issues that the other waters don’t have. It still needs a little refining in my opinion.
October 22, 2010 at 3:51 am #24475[quote=”zallen89@yahoo.com” post=14709]Sorry to change the subject..just browsing through and seem as though a lot of you guys use water…We are using Dupont Chromax Pro water. Any of you guys have dirt problems in the base coat? We mix it and then strain it through 4 strainers total 2(125 micron) and 2(190 micron) and still have dirt when spraying it. O yea and on top of that the PPS cup has a 125 micron strainer built in. Some jobs you have to lay the clear on so heavy as to just bury the dirt and well don’t really like to do that.[/quote]
Is it in the blend area or the whole thing?
Have you noticed it more using WB06 or the zyrillic pearls?
October 22, 2010 at 3:49 am #24473[quote=”timbo” post=14707][quote=”timbo” post=14631]here I was thinking high solids would be thicker and low voc the opposite…. :blink:[/quote]
So is there such an animal as High Solid Low VOC?[/quote]Yes there is, a lot of low voc stuff is HS, but not all.
October 22, 2010 at 2:18 am #24463I would at least do a demo od water Stone so you can see if you like it or not.
October 22, 2010 at 2:17 am #24462btw, basecoat is the opposite. It takes longer for the solvents to escape when it is humid due to the air being heavier.
October 22, 2010 at 2:16 am #24461I would keep the fans running for awhile.
Another thing to consider is any urethane that gets hardened will cure faster when it’s humid so the next slowest reducer will help. Iso’s react with 2 thing, moisture and resins. When there is more moisture in the air they will dry faster.
October 21, 2010 at 3:37 pm #24441[quote=”Jayson M” post=14674]Well hate to say I told ya so….. Spraying at 45psi is not going to save you any material and defeats the purpose.If this swap was a go sata would have said it was a go a long time ago.The only hvlp I know that you can change to a compliant gun is the Devilbiss GTI to a Devilbiss Plus by changing the fluid tip and air cap.[/quote]
You can convert the Iwata’s. The W400 and LPH400 are the same gun body just different shades of chrome. Both use the same needle, only difference is aircap and nozzle.
October 20, 2010 at 6:27 pm #24415To elaborate, viscosity is set by the chemist. You can have a HS clear that flows through a viscosity cup faster than a medium solids. Typically HS clears have a bit higher viscosity but not always. The chemist controls it by feedback during testing. Viscosity has most to do with what size fliud nozzle is best for the material being sprayed.
Low voc clears are sometimes higher in solids content due to the limited amount of slovents that can be used that are exempt. Also to keep costs down as the exempt solvents are pricier. There are low voc clears out there that are lower in solid content that their higher voc counterparts.
It all boils down to what the chemist wants to do and the price point and end user they are targeting.
October 20, 2010 at 6:12 am #24393[quote=”timbo” post=14631]here I was thinking high solids would be thicker and low voc the opposite…. :blink:[/quote]
Solid content has nothing to do with viscosity. Low voc doesn’t mean high solids either.
October 20, 2010 at 1:26 am #24374[quote=”Wydir” post=14614]interesting enough the nozzles may interchange the problem is that in the HVLP body there are brass inserts that restrict air pressure to the atomizing section of the cap. thats the only difference between the 2 guns so some one will have to see what it will spray like with an RP nozzle set on an HVLP gun (prolly wont be happy with the results) but its Nice to experiment once in awhile
Part Numbers for Nozzle sets are
RP 1.3mm 132373
HVLP 1.3mm 132936[/quote]Exactly.
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