DBC 500 or other intercoat blenders
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- This topic has 69 replies, 18 voices, and was last updated 12 years, 4 months ago by Mike Murphy.
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- February 4, 2013 at 3:59 am #41031
I will sometimes put a coat over my whole blended area to check my blend before clearing, it can really help in situations when you have jacked up lighting in a booth. And if you don’t have intercoat blender and you need to step a color down you can also use binder off the mixing bank. I take 1 part binder and 1 part slow reducer, mix that together and then mix it half and half with basecoat.
Chuck
I dont generally cut my colr down with dbc. It was recommended by me by ppg but personally I seen no diff whatsoever. If u see a major diff of color on first coat its time to tint. Actually its time to tent before the first coat but we all know how that goes. I agree ddbc can be used as a crutch. But if its a color thats way off ur better of spending a little time matching it. Before u sand the blend panel beyond the blend panel….. lol.
February 4, 2013 at 4:30 am #41034Maybe I will try spraying the whole panel with it first (wetbed?) to learn the properties before I get too crazy with it.
There are some great points that have been made. The only thing I want to add is to watch when you apply the wet bed over your entire blend panel. It is a great idea, but with some products it may cause a little difference between the far end of your blend panel and the adjacent unpainted panel. Generally only noticeable on white and silvers. And if your clear is a little yellow it can really make it bad.
DBC 500 is a completly transparant product so no yellowing issues with it ,some control binders are yellow and will create issues over light colours ,i have found this an issue when using some pearls as tricoats over white as the binder will turm then to off white ,it has been an issue for doing bikes in the past as the factory pearl jobs are very clean so you have to watch what pearls you use to match them
when using a control binder as a wet base then yes definatly use a fully transparant one such as DBC 500
no they are not esential for blends but in my experiance they make things a lot easier plus as i mentioned they also act like a grabber coat for you clear and allow it to lay easier and more consistantly than over sanded clearcoat
February 4, 2013 at 10:26 am #41051Ok, so tomorrow I am spraying a small upper bumper on the 09 GMC truck. Maybe I will try it out on there to get a feel for it. It has 2 small damage spots on the drivers corner. Truck is white by the way. So I know I dont really need to use the 500, but it wont hurt right?
Im thinking I will repair the damage, fill whatever… Then spray my primer. Sand/feather out the primer. Then spray the 500 down, blend with straight base, then mix in some of the 500 to further my blend? Then of course clear the whole panel. No sense in blending the clear on that small piece. Sound right?
Hell, maybe I will even spray it with my new Sagola mini and see how it goes.Really no need to cut a solid color with 500. For that use its meant dor the more difficult metallics. Which I really dont even think helps for this. But anyways. The 500 hundred will be good for this. On ur preticular job. 1. After clear basing the whole panel it makes it a lot easier to see if say u burned through somewhere when prepping. 2. Much easier transition from base to blend. 3. If u have to seal primer baseclearing really helps u track if u have sealer overspray where u dont want it. Otherwise noy being able to be seen until u clear it. Hope this helps ya. :cheers
[quote=”gtome” post=30002]So what would I do if that were the case? Simply not use it?[/quote]
In that case, if you need to use it, spray the wet bed past where the end of your blend will be, but not all the way to the end if your blend panel. You will need to try to remember very carefully wher you ended it, especially towards your last coat. If you have multiple clear coats in your shop, you may want to choose the clearest (least yellow) one just to be safe.
February 4, 2013 at 9:09 pm #41060OK guys I think I got it. Since this is a solid color I’m just going to spray it before my base color. I had to prime up to the edge of the bumper, I guess I will need to blend into the fender.
And no mini gun today. I forgot I have to do the tail gate as well.February 4, 2013 at 11:52 pm #41062You don’t need it on a solid color :S You only need it for a metallic or a pearl,using it on a solid color is a waste of time.
February 5, 2013 at 3:50 am #41067I know I dont need it on a solid color, but it would be nice to feel it out before its more critical and I do need it. Didnt get a chance to spray it today. It was pretty chilly out this morning and it pushed everything back a bit. Its all fixed, primed, sanded, and ready to spray in the morning.
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