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A comment on Smashing idea: how East Germany invented 'unbreakable' drinking glasses. Parent comment

Re:Smashing idea: how East Germany invented 'unbreakable' dr... by sfn42 on Wednesday August 07, 2024 @09:46AM (#41181437)
Not sure what shot blast means, but as far as I know dishwashing machines just spray hot water and detergent on everything.

I guess that could cause abrasion if there's hard and sharp particles in the water, but I'm not sure what could cause those. Maybe if glass breaks during washing, but I'd assume the machine filters the water before reusing it.

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Re:Smashing idea: how East Germany invented 'unbreakable' dr... by scott_w on Wednesday August 07, 2024 @10:01AM (#41181572)
> as far as I know dishwashing machines just spray hot water and detergent on everything

There's a couple of sources:

- The dishwasher tablets have a mildly abrasive substance

- The water itself (especially in the UK) can carry abrasive substances from the pipes

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Re:Smashing idea: how East Germany invented 'unbreakable' dr... by ThePowerOfFuet on Wednesday August 07, 2024 @11:29AM (#41182412)
If it was in the pipes, handwashing would do it too.

Dishwasher detergent does not contain abrasive substances; dissolve a teaspoon of it in a glass of hot water and see for yourself.

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Re:Smashing idea: how East Germany invented 'unbreakable' dr... by scott_w on Wednesday August 07, 2024 @04:56PM (#41185416)
I’m not convinced because I can run pellets over a surface by hand and not scratch it, yet a shot blast will strip paint off easily.

Same substances with different processes produce different results.

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