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Author Topic: Enamel or urethane  (Read 4061 times)

Offline claude

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Enamel or urethane
« on: December 13, 2015, 02:00:02 pm »
This is my first time paint project. Completed body work and block sanded my 85 K20. I am ready to spray paint with HVLP. I have narrowed paint to a two part single stage paint (Omni) through PPG (only store within 125 miles).  My question is, shall I paint with acrylic enamel or acrylic urethane?
« Last Edit: December 13, 2015, 09:23:15 pm by bd »
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1985 K20, manual T, 373 gears, 208 transfer case
Rebuilt roller 355 engine, Comp XE264XR cam 212/218 @ .050, .487/.495 lift w/1.5 RR, LSA 110, Dart Iron Eagle Heads with 2.02/1.6 SS valves. 325 HP at 4000 RPM. 335 HP @ 4900.
421 ft*lbs torque at 4000RPM

Offline ccdually

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Re: Enamel or urethane
« Reply #1 on: December 13, 2015, 03:19:40 pm »
As a painted, I prefer urethane. The new urethanes have a better gloss.
« Last Edit: December 13, 2015, 09:23:40 pm by bd »
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Offline Engineer

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Re: Enamel or urethane
« Reply #2 on: December 13, 2015, 07:55:02 pm »
Urethane is supposed to be more durable. Less likely to scratch, and chip.

Urethane is typically chosen for fleets/commercial for its resistance to damage.
« Last Edit: December 13, 2015, 09:24:01 pm by bd »
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2002 Chevy 2500HD 4x4 8.1/ZF6sp RC/LB
2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB
1997 Chevy Blazer 4x4
1994 Chevy K-2500 4x4 C6P 5.7/4L80E
1979 Chevy K-30 4x4 4sp 4.10
1977 Chevy K-30 4x4 4sp 4.10 454

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Offline claude

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Re: Enamel or urethane
« Reply #3 on: December 14, 2015, 10:18:14 am »
Thanks Engineer and CCDually. I am going with urethane.  PPG paint store doesn't or will not give much advise, even to describe the pro's and con's.  It appears 90+ of their business are to established body shops where PPG delivers their products to those shops.
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1985 K20, manual T, 373 gears, 208 transfer case
Rebuilt roller 355 engine, Comp XE264XR cam 212/218 @ .050, .487/.495 lift w/1.5 RR, LSA 110, Dart Iron Eagle Heads with 2.02/1.6 SS valves. 325 HP at 4000 RPM. 335 HP @ 4900.
421 ft*lbs torque at 4000RPM

Offline Engineer

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Re: Enamel or urethane
« Reply #4 on: December 14, 2015, 04:53:19 pm »
My local PPG store was really helpful. I used to be a DuPont guy but after using PPG one time I'm looking toward PPG for now on.

My local PPG store is 90% body shops as well but didn't mind helping me. I guess cash talks. That, and the store clerk is a cousin to a friend of mine.
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2002 Chevy 2500HD 4x4 8.1/ZF6sp RC/LB
2001 Chevy 2500HD 4x4 6.0/4L85E EC/SB
1997 Chevy Blazer 4x4
1994 Chevy K-2500 4x4 C6P 5.7/4L80E
1979 Chevy K-30 4x4 4sp 4.10
1977 Chevy K-30 4x4 4sp 4.10 454

Dad of an Eagle Scout, and a Life Scout

Offline jumbowolfe

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    • Vintage Kramer DOT com
Re: Enamel or urethane
« Reply #5 on: December 16, 2015, 10:21:35 am »
The only consideration I would warn you about with Omni is that, while it has a reduced cost of normal PPG clear, it will not have the same UV protection.  My friend is a paint and body guy and said the cheaper clears will have a very low UV protectant that over time will fade the color.

I've shot OMNI on some guitar bodies before for restoration.  Shoots very easy and is great for non-sunny states.  If you're located where there is pounding sun, I would not recommend OMNI at all.

Just an FYI.
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1978 Chevy 4x4 SWB K10 - Yeller 2 - Currently Owned
1978 Chevy 4x4 SWB K10 - Yeller - Sold in 1989, regretted it every day since.
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