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Old 09-04-2009, 07:12 AM
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advice for Slick Sand?

I am thinking of buying some slick sand. Any do's or don'ts? Gun set up tips? etc. I am shooting it over SPI epoxy. I have already used Z Grip for the deeper stuff.

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Old 09-04-2009, 07:22 AM
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Another question is about glazes. What are some do's and don'ts for that? Any brands to avoid? I have some Z Grip and also have some of the Evercoat body filler thinner ( I think it is called Honey). I have used it when mixing up a batch of filler and it definatly does what it says. Can it be mixed into the Z Grip can and set on the shelf or does it need to be used immediately ( I understand that it isn't hardener but It seems to cause the filler to harden faster when I use it.)
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Old 09-04-2009, 09:06 AM
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Why would you wan't to use a polyester primer vs a 2K primer? The 2K primer is far more durable and will provide a more suitable base for your color.

Vince
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Old 09-04-2009, 09:36 AM
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Are you saying that I should build up the SPI and sand it down? I thought that slick sand would be better for building up a surface to block sand. Then I would seal it with Epoxy.
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Old 09-04-2009, 10:23 AM
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No, you do not build up the surface with the epoxy primer. You would use a 2k urethane primer/surfacer to do that on top of the epoxy. You are already using the best epoxy you can but IMO the SPI. The 2K urethane primer/surfacer is vastly more durable and provides a superior surface for your base color to adhere to than the polyester primer you were asking about.

Vince
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Old 09-04-2009, 10:30 AM
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OK. I follow you. When would you use a product like slick sand?
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Old 09-04-2009, 10:34 AM
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Quote:
Originally Posted by xpsyclonex2002
OK. I follow you. When would you use a product like slick sand?
Slick-Sand is a polyester product, some use it on fiberglass bodies because that is what most fiberglass bodies are made of. The 2K primer/surfacers are far superior, but cost more, so some people opt for the cheaper polyester primer. SPI has a super 2K product that will compliment your SPI epoxy.

Vince
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Old 09-04-2009, 11:24 AM
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[I'm a novice painter so take this info with the appropriate grains of sand - er, slick sand.)

Coupled with Vince's comments about durability, I found Slick Sand a bit difficult to lay out nicely, particularly for a beginner. I had a LOT of orange peel and ended up sanding most of the SS onto the floor. Next one I paint, I'm going totally with the 2K urethane primer along with an epoxy seal coat. The 2K laid down much smoother for me and in the end, because less goes on the floor while sanding, it may just be less expensive in the long run.
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Old 09-04-2009, 07:22 PM
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Slicksand isn't a true polyester primer, IMO. It doesn't nearly have the build of a true polyester primer, which is about 4 mils per single coat. You'd be better off using the 2k high build from spi over using slicksand.

Last edited by jeremyb; 09-04-2009 at 07:39 PM.
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Old 09-04-2009, 07:28 PM
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Quote:
Originally Posted by jeremyb
Slicksand isn't a true polyester primer, IMO. It doesn't nearly have the build of a true polyester primer, which is about 4 mils per single wet coat. You'd be better off using the 2k high build from spi over using slicksand.
Directly from the EverCoat web site.

Slick Sand
A high-solids, extra high-build polyester based primer surfacer that offers excellent adhesion to metal, galvanized metal, aluminum, wood, fiberglass, SMC, and body filler. Ideally suited for large uneven surfaces. MEKP activator included.

Vince
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Old 09-04-2009, 07:38 PM
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I am aware of the description evercoat gives. Yes it's a polyester based primer but it's just a selling point for evercoat, IMO. A TRUE polyster primer is exceptionally high film build and can't be wetsanded, remember this stuff is sprayable filler. It also needs to be recoated with 2k primer or sealer because, again it is a sprayable filler.
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Old 09-04-2009, 09:45 PM
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