Is WD-40 bad for rubber?
WD-40 can be used on just about everything. It is safe for metal, rubber, wood and plastic. WD-40 can be applied to painted metal surfaces without harming the paint.
Does WD-40 damage rubber seals?
You can , but it will ruin them ! WD40 rots rubber, as do all petroleum based products, use silicone spray to preserve weather seal, rubber hoses and such.
What is the best thing to clean tires with?
Use non-abrasive cleaning agents like dish soap, warm water, and wheel wax. If you’re curious about how to clean car tires naturally, try using a 70/30 mix of white vinegar and baking soda.