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Kremlin tip selection for waterborne Chemcraft?

4/19/18       
Kevin absto Member

I am fairly new to Kremlin system and picked up a new 15-C25, we shoot all waterbase, but I am having trouble finding info on tip selection for the excite gun and recommended pressures and atomization air guides? Photos show Chemcraft Auqaprime with 14-092 tip spaying at 40psi and 35-40 air I feel like this is high? Getting tails close to this range. The aquaprime is 25-30 sec @ 25*C for Zahn #2 cup. is there a better tip or what am i doing wrong??


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4/20/18       #2: Kremlin tip selection for waterborn ...
Shane

you should be using tips with the pre atomizing orfice/fine finish tips or what kremlin specifies as Xtra.
I'd go with the 14-154 Xtra tip for the primer and 09-154 for waterborne topcoats... 12-154 at the biggest orfice most for waterborne topcoats..
here is the correct kremlin part#'s for those fine finish tips:
134-514-152 for the 14-154 Xtra
134-509-152 for the 09-154 Xtra

your pressure ranges seem about right for waterborne..... usually 30-45 psi fluid and up to 30 psi air atomizing.
the Xtra tips should help break it up a bit better.

4/20/18       #3: Kremlin tip selection for waterborn ...
Kevin absto Member

Ok thanks, had seen those we'll try that

4/22/18       #4: Kremlin tip selection for waterborn ...
Kremlin user

The tip you need is the 06-132 extra fine finish.
For the set up we spray ICA water borne finish
And that requires us to use 2 bar on air and 4 bar on the fluid.
this seems high and I have had naysayers on here tell me thats a bad set up.
but the proof is in the finish we are putting out.
It was fully researched by a university study that gave 10 pages of test results for the optimum finish and that was it. with the Kremlin xcite and c25 pump
Of course not all coatings manufacturers are the same.

4/23/18       #5: Kremlin tip selection for waterborn ...
Shane

If he sprays chemcraft waterbased primer through an 06 tip it will clog instantly..... I could see that being ok with some waterborne topcoats in general depending on the viscosity of the product but that's a ton of fluid pressure coming through a tiny orfice on materials that are already very sheer sensitive.... Looks like a recipe for microbubbles to me....

4/24/18       #6: Kremlin tip selection for waterborn ...
RobertJ

I like Shane's response. Sheering will also effect the sheen level. 06 tip is not the answer. But, a tip is only 45.00 dollars!, try it out!

4/24/18       #7: Kremlin tip selection for waterborn ...
Kevin basto Member

We are getting some new tips on Shanes advice, but $45 is a deal. We pay $125-130 for tips so... that is CAD but cash is cash!!

4/26/18       #8: Kremlin tip selection for waterborn ...
Kremlin user

I agree that the thought is it will not work. But it is the right method for ICA products.
I have been to the moon and back with micro bubbles over the last 4 years and 12 months ago when I took the advice direct from the company with the best waterborne products IMO.
The finish went from ok to the best I have seen.
we rarely get blockages due to the micro filter screen in the tip.
We also rarely thin our product more than 5%
All I say is try it.
A richelieu sales centre will likely lend you a tip from their demo selection.

4/26/18       #9: Kremlin tip selection for waterborn ...
kevin Member

What ICA products are you spraying?

4/28/18       #10: Kremlin tip selection for waterborn ...
Kremlin user

I spray 20deg mono/ bi component clear.
pigmented primer and pigmented lacquer
we spray post cat 25deg
right now I am working on a product with 80deg mono over a metallic base
this one is causing some fun due to each panel having 35 cutouts in it to look like a decorative banana leaf, very tight cuts with all MDF edge grain its taking some real thought the panels are 8x4'
Where in Canada are you ?

4/29/18       #11: Kremlin tip selection for waterborn ...
kevin Member

Sounds interesting, we are out of Northern Ontario, about 4 hours north of Toronto. Though moving forward I dont think this is the best place to carry out business, thanks for the info


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