knives vs. dishwashers

May be they kinda-sorta get lazy and leave them in the sink, (with soapy water) for a day. Soap will play hell on wood. Even stabilized wood.
 
As an aside, how hard are the "plastic" cutting boards on knife edges?

Not nearly as bad as glass or ceramic, but I still prefer wood.

Having said all that, I watched a sushi chef work very quickly and aggressively right on the steel range-top with his knife... then again most people don't have that kind of skill and I imagine he steels his knife pretty often. If you go hammering away or using a thin fine edge like you're scraping ice off your windshield, it's going to dull no matter what the knife or board is made of.
 
Not nearly as bad as glass or ceramic, but I still prefer wood.

Having said all that, I watched a sushi chef work very quickly and aggressively right on the steel range-top with his knife... then again most people don't have that kind of skill and I imagine he steels his knife pretty often. If you go hammering away or using a thin fine edge like you're scraping ice off your windshield, it's going to dull no matter what the knife or board is made of.

Remember. a SS counter top is in the 30's HRc range of hardness. (Much softer than a Knive blade). Glass is in the high 70's to low 80's. Much harder than a knife blade. FWI'sW.

Rock can be even higher. A Diamond is after all, Rock. At 98-99 HRc. . As high as it gets folks.;)
 
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