Colors of Epoxy Durability

Bartman

Member
I have not thought to ask this question before but I it came to my mind today. I used to use someone else's epoxy. This manufacturer produced several colors but claimed that the black had better corrosion protection than the other colors. Does SPI epoxies have any differences in adhesion or corrosion protection between colors?
 
Excellent question!!!
Some companies will leave the different zincs out to save money as the black will be used for frames, and other colors are used for what they call sealers.

So what you heard is true but no such thing
With spi as the same three zincs in all the colors.
 
Wow, good to know. Somehow I thought the products I was purchasing from you are top notch. So be it true!
 
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