Are these Optimum products safe on plastic and rubbger trim?

Ferrex is safe. I've never used opc, I would do a small test spot.
 
Both are fine, I wouldn't use power clean full strength in the sun on plastic but it is otherwise safe.
 
I've never had a problem with any Optimum products including these two on these surfaces.

Dr. David Ghodoussi is the real-deal when it comes to creating quality products that perform as advertised.


:dblthumb2:
 
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