Sorry if this has been covered, but any insights on de-staining those heavy rubber honeycomb mats? I assume they're some kind of thermoplastic elastomer, would feel better knowing exactly what to help choose a cleaning process that won't damage them. I'm thinking something with peroxide but I don't dare use anything with chlorine.

 

Whitewall cleaner and a good scrub brush.

 

303 multi surface cleaner is a good product

 

Comet® & a scrub brush..

 

Try a degreaser first like Awesome Orange from Dollar Tree. The stuff is fantastic. That's all I could ever find that works good on rubber mats. Spray it on. Use a scrub brush, rinse off. Might have to do it twice on some areas.

 

did you find one that worked better than another?
I tried regular dish soap on mine once, but didn't come out 100%, been wanting to try Clorox2, but of course the stores have been out of it for months

 

Some type of degreaser and arm strong efforts with stiff bristle brush a few rounds of this and let dry check results.
Westley's tire cleaner is a decent product. white bottle with blue and red lettering.
My son is a good detailer with dealership experience and is great making an engine bay look nice.
Yesterday he brought over a botte of MORADO by Zep product #0856 it is an industrial strength cleaner degreaser. Said that is what they use for me to try. I liked it better when he did the work, but what can you do he mowed the front lawn and borrowed the string trimmer.

2008 HHR
2004 Blazer
1999 Astro
1993 Vandura

 

Tuff stuff and a good scrub brush.. Seems a good scrub brush is the secret