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CRC's brand of brake parts cleaner, Brakleen, is available in six variants, three chlorinated (red cans) and three non-chlorinated (green cans).
Levels
CRC's Brakleen comes in three levels for various requirements: original formula, low VOC, and non-flammable. Different regions may prohibit certain types of formulations in automotive shop use.
Chlorinated
Clorinated brake parts cleaner is a stronger cleaner than those without chlorine, but have stronger, more harmful fumes than their clorine-lacking counterparts.