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Tupperware was a pioneer of ‘multi-level marketing’ and enjoyed decades of success. Its demise offers important lessons for marketers in an age of new ‘side hustles’.
Got any hot tips on high quality affordable glass containers without plastic components? Standard gaskets, or ones which can be cut from silicone and replaced as needed are ok.
Ideally should survive small drops and boiling water.
There are expensive junk ones at my IGA but something like old Pyrex would be good.
Here’s an interesting study showing that silicone does break down into nanoparticles under mechanical wear, although the particles are chemically stable and non-toxic, and notably compared to plastic, are not released by heating alone.
Regrettably all the IKEA stuff is made in China. Pyrex still makes glass containers with plastic lids, as does Anchor Hocking. Corningware/Corelle is also still a thing.
Go get some straight-sided canning jars. Look for jars with no shoulders, like the half-pint size normal mouth lids or the pint size wide mouth lids.
Jars with shoulders are not freezer safe; the necks prevent the contents from expanding as they freeze so the jar cracks. Straight sided jars are tapered on the inside so the contents can expand up into the head space of the jar safely.
Canning jars are quite thick, they’re intended to be handled and used for years on end. They aren’t indestructible but they’ll survive handling that would crack a grocery store pickle jar. They’re specifically designed to be repeatedly boiled and even pressure cooked.
The lid specs for these jars is a LONG running standard, canning lids are probably carried by your favorite grocery store at least some of the year, and you can get reusable non-canning lids to fit these jars in a variety of materials and styles.
I mean I can some stuff but aside from fowlers canning jars have low availability since ball stopped selling in aus, the more usaian standard with disposable middle rings and seals are not found anywhere atm. Also jars just aren’t a good solution to leftovers or portions like cake and stuff.
I’d have a better time scrounging old dessicators with ground mating surfaces etc. Or old casserole dishes. The issue is that those aren’t widely available affordabily anymore.
I’m in the US, Ball jars and their accoutrements are literally everywhere along with their parts and accoutrements. I own several dozen and I use them for lots of stuff. I am aware of a European system that uses reusable rubber seals and glass lids; I don’t like those for canning because I like the metal lid that pops down to indicate the vacuum seal, plus they’re kind of pricey in the New World.
As for casserole dishes, I’ve got them all. My late grandmother owned everything Corningware ever made, and she left them to me when she passed.
Got any hot tips on high quality affordable glass containers without plastic components? Standard gaskets, or ones which can be cut from silicone and replaced as needed are ok.
Ideally should survive small drops and boiling water.
There are expensive junk ones at my IGA but something like old Pyrex would be good.
I have been using beeswax wraps on borosilicate glass containers
Part of me wonders if silicones act like microplastics too
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10499202/
Here’s an interesting study showing that silicone does break down into nanoparticles under mechanical wear, although the particles are chemically stable and non-toxic, and notably compared to plastic, are not released by heating alone.
I wonder if they bioaccumulate in us? Or if we can excrete/break down
I prefer to not abuse animals but have been meaning to make a plant wax based cloth thing for a while. I should step it up.
Ikea 365 has a bunch of shapes with differing lids incl. silicon and bamboo. Lids can be bought separately for replacement
Regrettably all the IKEA stuff is made in China. Pyrex still makes glass containers with plastic lids, as does Anchor Hocking. Corningware/Corelle is also still a thing.
Go get some straight-sided canning jars. Look for jars with no shoulders, like the half-pint size normal mouth lids or the pint size wide mouth lids.
Jars with shoulders are not freezer safe; the necks prevent the contents from expanding as they freeze so the jar cracks. Straight sided jars are tapered on the inside so the contents can expand up into the head space of the jar safely.
Canning jars are quite thick, they’re intended to be handled and used for years on end. They aren’t indestructible but they’ll survive handling that would crack a grocery store pickle jar. They’re specifically designed to be repeatedly boiled and even pressure cooked.
The lid specs for these jars is a LONG running standard, canning lids are probably carried by your favorite grocery store at least some of the year, and you can get reusable non-canning lids to fit these jars in a variety of materials and styles.
I mean I can some stuff but aside from fowlers canning jars have low availability since ball stopped selling in aus, the more usaian standard with disposable middle rings and seals are not found anywhere atm. Also jars just aren’t a good solution to leftovers or portions like cake and stuff.
I’d have a better time scrounging old dessicators with ground mating surfaces etc. Or old casserole dishes. The issue is that those aren’t widely available affordabily anymore.
I’m in the US, Ball jars and their accoutrements are literally everywhere along with their parts and accoutrements. I own several dozen and I use them for lots of stuff. I am aware of a European system that uses reusable rubber seals and glass lids; I don’t like those for canning because I like the metal lid that pops down to indicate the vacuum seal, plus they’re kind of pricey in the New World.
As for casserole dishes, I’ve got them all. My late grandmother owned everything Corningware ever made, and she left them to me when she passed.
Yeah I dunno why you think how it is in the USA would be very relevant not in the usa.