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  2. Soda–lime glass - Wikipedia

    en.wikipedia.org/wiki/Soda–lime_glass

    The manufacturing process for soda–lime glass consists in melting the raw materials, which are the silica, soda (Na 2 O), hydrated lime (Ca(OH) 2), dolomite (CaMg(CO 3) 2, which provides the magnesium oxide), and aluminium oxide; along with small quantities of fining agents (e.g., sodium sulfate (Na 2 SO 4), sodium chloride (NaCl), etc.) in a glass furnace at temperatures locally up to 1675 ...

  3. Frit - Wikipedia

    en.wikipedia.org/wiki/Frit

    Frit. A frit is a ceramic composition that has been fused, quenched, and granulated.Frits form an important part of the batches used in compounding enamels and ceramic glazes; the purpose of this pre-fusion is to render any soluble and/or toxic components insoluble by causing them to combine with silica and other added oxides. [1]

  4. Vitreous enamel - Wikipedia

    en.wikipedia.org/wiki/Vitreous_enamel

    Vitreous enamel, also called porcelain enamel, is a material made by fusing powdered glass to a substrate by firing, usually between 750 and 850 °C (1,380 and 1,560 °F). The powder melts, flows, and then hardens to a smooth, durable vitreous coating.

  5. Why food safety experts stand behind the 'when in doubt ... - AOL

    www.aol.com/why-food-safety-experts-stand...

    Additionally, just because food is canned or jarred does not mean it is safe to eat, she said. "Cans that are bloated or dented looking are showing signs of being off," she said, and should not be ...

  6. Parchment vs. Wax Paper: Do You Know Which One Goes in ... - AOL

    www.aol.com/parchment-vs-wax-paper-know...

    There's no discernible difference between the natural brown or white colors in terms of performance or usage. Speaking of usage, there are so many uses for parchment paper in baking besides just ...

  7. Pyrex - Wikipedia

    en.wikipedia.org/wiki/Pyrex

    The differences between Pyrex-branded glass products has also led to controversy regarding safety issues—in 2008, the U.S. Consumer Product Safety Commission reported it had received 66 complaints by users reporting that their Pyrex glassware had shattered over the prior ten years yet concluded that Pyrex glass bakeware does not present a ...

  8. Industrial porcelain enamel - Wikipedia

    en.wikipedia.org/wiki/Industrial_porcelain_enamel

    The most important characteristic of porcelain enamel, from an industrial perspective, is its resistance to corrosion. [3] Mild steel is used in almost every industry and a huge array of products; porcelain enamel is a very economic way of protecting this, and other chemically vulnerable materials, from corrosion.

  9. Fritware - Wikipedia

    en.wikipedia.org/wiki/Fritware

    There are many variations on designs, colour, and composition, the last often attributed to the differences in mineral compositions of soil and rock used in the production of fritware. [2] The bodies of the fritware ceramics were always made quite thin to imitate their porcelain counterparts in China, a practice not common before the discovery ...