SPI 870 Reducer

J

JC Daniel

Promoted Users
I always keep 870 reducer on hand and I think it is above any other brand I have used, I am only a part time hack at best but I strive to be the best I can be. I needed 4 ounces of cromax this week to blend a repair I had made on a Ram truck, my local supplier said that the reducer I had 870 was not recommended in their base coat. I am hoping one of you guys will chime in here and help me out, I have used 870 in all my base coats and in SPI euro clear but now the supplier is telling me that their reducer is superior. I am not sold on their hype.
 
The only reason they told you that JC is to sell their product. Like Rooster asked above they could not tell you what makes their's "better".
 
If memory is correct cromax is the old chromabase . I've used spi reducer in chromabase in the past. I used to use a lot of chromabase .
 
Technically the jobber is correct, Cromax does not recommend SPI or any other reducer in their product, but as already stated, that is for marketing reasons and also to protect them from liability if a poor quality product is used with their system. The Cromax reducers are good quality, but the SPI reducers are the same or better quality at a much more reasonable price.
 
I really appreciate all you guys chiming in and giving your experiences and knowledge, I did'nt think they had a superior product above spi to begin with. I stick with spi as I started using it in 2018 along with clears and primers, I want to use the best materials available. Much appreciated once again.
 
It’s just a sales pitch. Naturally they want you to use their reducer. The older DuPont stuff they wanted you to use base maker which I think is the milky stuff being referred to above. I think sherwin had something similar as well back in the day. But most bases these days a high quality urethane reducer (SPI is best) mixed at the appropriate ratio is fine. Of course it’s up to you if you want to activate or not activate. I generally choose to activate. But we’re getting a little off topic now I suppose.
 
I would not use the stuff that is supposed to have special reducer, nor would I presume to know what happens when the ingredients in their reducer go missing. They are also not sandable. So just don't use it instead of imagining everything is going to be okay. Use a base that takes normal urethane reducer, then there's no question of using SPI reducer, and it will be sandable in case of a boo-boo.
 
I used a lot of the Axalta Cromax Mosaic basecoat. We were one of the few Shops on the East Coast using it. It required the milky looking basemaker as well. That was used simply to keep the VOC's down. I experimented a few times using regular urethane reducer in place of the basemaker and had no issues but I am not reccomending someone do that.
JC, Motobase is a great basecoat, uses conventional urethane reducer and is a better product IMO. I have been super impressed with Motobase. You can order it through Chad here and he will send it to your door.
 
I had the same question some weeks back. Seems like paint manufactures try and say that to make more $$$. Anyway, what make a reducer better than another?
 
Drag racer said:
Anyway, what make a reducer better than another?
Click to expand...
The quality of the ingredients. Not all reducers are the same. Use a crappy reducer like Transtar in a base coat then try a quality reducer like SPI in the next job and you will see the difference. SPI reducer is so good I could tell a big difference when I shot PPG DBC reduced with SPI, versus using the PPG DT reducer.
 
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