Yes, Corelle and Corning dinnerware are microwave safe because they are made from Vitrelle.
No, ceramic ware is not cheap if you want it to be microwave, diswasher, and oven safe. There are some cheap ceramic products but those usually contain toxic chemicals like lead.
Does Marcrest have lead in its glazed pottery ware for the kitchen?
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Yes, 55-year old tupperware is generally safe to use. This is assuming that the ware is not scratched or chipped. If it is chipped or scratched, then those using it risk getting lead poisoning through use.
Yes, it is tempered glass.
yes.
Pyrex (the traditional borosilicate glass Pyrex made by Corning before 1998) is safe for both applications. Avoid the more recent Pyrex made by World Kitchen. The January 2011 issue of Consumer Reports indicates that it is not safe.
No, they are made of melmac/melamine which is not microwave-safe.
Silver is found in elemental form. It has also been found in ores such as Horn Silver and Argentite. The sources for commercial silver (such as jewelry and serving ware) come from copper-nickel, copper, lead-zinc ores, gold and lead. It's drawn from the sludge of anode wastes that come from electronic copper refining.
Corning Ware is generally safe to use on a warming tray as it is designed to withstand high temperatures. However, it is important to check the specific instructions provided by the manufacturer of both the Corning Ware and the warming tray to ensure compatibility and prevent any potential damage. Additionally, avoid sudden temperature changes, such as transferring Corning Ware directly from the refrigerator to a hot warming tray, to prevent cracking or breakage.
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