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bchen
2
Jan 18, 2019
Anyone know if these are dishwasher safe?
glennac
1363
Jan 18, 2019
bchen“Borosilicate glass” is essentially Pyrex. So yes, they are dishwasher safe.
RayF
22219
Jun 17, 2019
glennacYou say that like you own a set and have actually washed them in a dishwasher, yet I'm willing to bet, neither is the case. The issue isn't how "tuff" the glass is, it's that dishwashers have a tendency to introduce moisture between the layers of glass (that space is vented) and that leaves one with an unattractive film (or worse) that can't be cleaned. Lot of unhappy, folks moaning about that problem on Amazon. Easy to avoid of course, just don't put 'em in the dishwasher.
EdinNJ
271
Jun 17, 2019
RayFI have 8 Bodum espresso cups. They're big enough to hold a double espresso, which is my poison of choice. I've run them in the dishwasher now for seven years without any water infiltration. There's a silicon vent plug installed in the bottom of each glass that Bodum says allows for air pressure equalization but does not let water in. If my seven years of experience running a coupe of them in the dishwasher every week shows anything it shows that their venting system works just fine. (Note that we have a lot of other double wall borosilicate glassware and those do NOT have a vent on the bottom. I don't know why some and not others...) I bought them as gifts for a couple of friends, who mentioned to me a couple of months later that they'd gotten water inside. In both cases, they'd mistaken the silicon vent for something that needed to be removed... so they did. I looked at some complaint pictures on Amazon, and on at least two, you couldn't see the white haziness that says the silicon plug is there. Not saying that's always why they leak, I can believe that the plug might fail for some reason... but lots of other people besides me have no problem. As to how breakable - we use double wall borosilicate glasses for all of our regular glassware. (We did so because cold drinks in them don't "sweat" and create rings on the table, so careless guests don't ruin our tables. And iced tea stays iced tea for hours.) We've got 10 highball size glasses, 10 tall water glasses, and 10 taller ice tea glasses, along with the 8 Bodum espresso cups, so we've got a lot of experience. No, they're not unbreakable. Want unbreakable, get metal, or glassware made to be rugged like jelly jar style glasses. However, they're no more breakable than any other glassware. We lose one or two a year to some form of accident or another, which is in line with any glassware that's not made to be rugged. Never had one shatter (when borosilicate glass shatters it kind of explodes - ever drop Corningware? Same idea.) All losses have been cracks, usually on the rim, where someone crammed the glass into too small of a space in the dishwasher, knocked it into a door frame when not paying attention. Pro tip: I always fill the cup with hot water and let it sit for a few minutes before making espresso into the cup. Warming up the inner layer makes the hot last longer. The last sip of a leisurely espresso is almost as hot as the first.
(Edited)
RayF
22219
Jun 17, 2019
EdinNJI can confirm they break, that's why I have ONE ;- )
glennac
1363
Jun 17, 2019
RayFNo, not Bodums. I do have the JoyJolt double-wall mugs and have had no issues with them. The question was are they dish-washer safe? Meaning will the thermal shock crack them? The answer is No. Fogging of the interior is another matter entirely, but feel free to warn everyone about it. But don't criticism my Reply Ray, because it was not inaccurate. But please add your perspective in your own Reply.
RayF
22219
Jun 17, 2019
glennacOh, Joy-jolt—the cheap ones ;- )
EdinNJ
271
Jun 21, 2019
RayFLike I say... if you want cups that don't break, metal is the answer.
RayF
22219
Jun 22, 2019
EdinNJI don’t—that’s why I never buy mugs on those Titanium drops—they last too damn long.