Rubber can become sticky for any number of reasons. Shoes can leave sticky tracks on a rubber floor mat, or sticky food can get left behind on a rubber spatula. To get rid of the sticky residue, use something that dissolves the stickiness without damaging the rubber. Harsh bleach and chemical-based cleaning products can eat away at the rubber and, in some cases, cause discolouration. Therefore, use only mild cleaning products to clean rubber.
Fill the sink or a cleaning bucket with about 4.5 litres (1 gallon) of water and 15 ml (1 tbsp) of washing-up liquid, swishing the water to mix it with the soap.
Dip a cleaning rag or mop into the soapy water, wring it out and wipe it over the sticky rubber. Continue until all the sticky residue is gone.
Rinse out the mop or cleaning rag with clean water, wring it out and wipe it over the rubber again to remove leftover soapy residue.
Let the rubber air-dry.