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07-31-2021 #1Registered User
- Join Date
- Aug 2004
- Location
- San Bernardino, CA
- Posts
- 883
Ready to spray base coast shot like stringy cobwebs!
** SORRY FOR THE TYPO IN THE TITLE**
Went to my local paint store today with my dad and we picked out a solid orange color for his 67 mustang fast back. The paint store told me the base would come ready to spray, so I took their word for it. I came home and took the one panel ready for the car and gave it a final wet sand in 600. When I attempted to spray the base coat it shot out like silly string and cob webs. It was flying all over the place and what landed on the panel looked like wall texture!
I first attempted to spray the base with my Fuji Q5 turbine with a 0.8 needle. Horrible results! I hurried and cleaned the gun and changed to a 1.0 needled. No change. I then switched to a 1.4 purple harbor freight HVLP gun set at about 26psi. Still spitting and stringy. I added some urethane primer reducer to the base and removed the strainer from my PPS cup and I barely got a horrible orange peeled surface. I have never experienced this at all! I have shot SPI epoxy, Polyester primer and urethane high build with both my Fuji turbine and harbor freight HVLP guns with great success.
I ended up lightly sanding the base with 600 grit then using the same harbor freight HVLP at about 30psi and hammered on a glass like coating of clear. Here is the kicker. Every single substance I have ever sprayed well I mixed myself with reducer and hardener. The base was the only ready to spray product I've ever used.
Did the paint store forget to mix or reduce my base? I only bought a pint of color and used about 12oz of it messing around. Here are the results of todays fiasco.
Mind you, this is my fist time ever spraying clear as well.
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08-01-2021 #2maybe its the mix ? specifally the hardner or activator ratios ? (PS i have not expertise in this area)
From a place you will not see comes a sound you will not hear....
67 Camaro In progress
https://www.pro-touring.com/showthre...-Tap-67-camaro
08-01-2021 #3