If the mc doesn t work then likely you have a a rare granite that etches but most likely it is a sealer residue or doctoring dye issue.
Acetone granite sealer.
Acetone is a chemical that is too harsh for some surfaces.
It s what we use when asked to reseal an existing countertop when the sealer used is unknown.
The sealer penetrates granite pores and can be effective for up to 3 5 year on interior surfaces.
Granite is capable of handling acetone s strength so acetone can be used to clean granite floors and countertops.
If you do clean your stone with acetone it s important to immediately reseal it after.
Allow sealer to absorb for 2 5 minutes.
It should not hurt the granite however depending on the type of sealer on the granite acetone may not be effective.
Acetone will strip sealer.
Pour on or spray on the sealer and spread around a small section to form a thin glossy film.
Prior to the application mask off any surfaces not intended for treatment.
Granite scratch removal and sealing are very specialized services and we highly recommend you contact a pro in your area if you feel like you re in over your head.
Treat with acetone if you notice that the granite countertop near your stove or sink has begun to dull it may be grease oil soap scum or other thicker residue that is marring the surface.
Try acetone or methylene chloride found in paint strippers.
Acetone is particularly useful when trying to remove stubborn stains from granite surfaces and using it is simple.
Clean the surface with acetone or denatured alcohol.
However there are some situations when the careful application of acetone can help you remove stubborn stains.
It s always best to use a stone safe granite cleaner.
In my experience acetone has never damaged a stone or quartz countertop and it will remove almost anything on the surface.
Acetone based concrete sealers are escentially solvent based concrete sealers.
Click here to post comments return to granite marble sealer questions.
Solvent based concrete sealers are typically suspended in either xylene or acetone and when the concrete sealer is applied the xylene and acetone evaporate and all that is left in or on the concrete is the sealer.
Flagstone slate granite and other porous.
The basic steps for sealing black granite are.