If a nice isopropyl alcohol scrubbing doen't work, try a blue flame (possibly propane gas) cleansing.
"Foggy Pyrex" typically refers to a cloudy or hazy appearance that develops on glass Pyrex baking dishes over time. This can occur due to mineral deposits from hard water, oils, or residue from food. Cleaning the Pyrex with vinegar, baking soda, or a commercial cleaner can help remove the foggy appearance.
Pyrex bowls can become stained or cloudy due to the buildup of food residues, oils, or minerals from hard water. To remove the stains, you can try soaking the bowl in a mixture of baking soda and vinegar or using a paste of baking soda and water to scrub it. Alternatively, you can try soaking it in a solution of warm water and dish soap, or using a specialized cleaner designed for removing stains from glassware.
Are you talking about Kitchen grade Pyrex (Tempered Soda Lime Glass) or Lab grade Pyrex (borosilicate glass)?Lab grade contains more metals such as boron, sodium, and aluminum making lab grade glassware better conductors of heat.Kitchen glassware do not conduct heat as well which prevents burning the bottom of whatever your baking.Both are less likely to break than other glass types.Exaxol Chemical Corporationhttp://www.exaxol.com
selon wikipedia dans heat capacity, glass, pyrex = 0753 J/K g
Pyrex glass is designed to withstand sudden & drastic TEMPERATURE changes. Most glass will shatter with sudden temperature changes. Pyrex is not bulletproof. Most transparent bulletproof material (glass) is composed of several layers of plastic & glass sandwiched together. The plastic holds the glass together, while the glass absorbs a bullet's impact.
find a cleaning thing that cleans stained temperedglass or something
To clean Pyrex effectively and safely, first let it cool down before washing. Use warm, soapy water and a non-abrasive sponge to gently scrub the glass. Avoid sudden temperature changes, as this can cause the glass to break. Dry Pyrex thoroughly before storing to prevent water spots.
I am including a link that tells you how to identify which type of stained glass you have and how to clean it. It is important to follow the directions carefully because if not cleaned the right way crystals can form from the stained glass and are hazardous. http://ezinearticles.com/?How-to-Clean-Stained-Glass-Windows&id=2540582
How do you clean an ugg without cleaning spray and after it is already stained
Pyrex was created in 1915.
To bake a cake in a Pyrex dish, first preheat your oven to the temperature specified in the cake recipe. Grease the Pyrex dish with butter or cooking spray to prevent sticking. Prepare the cake batter according to the recipe instructions and pour it into the greased Pyrex dish. Place the dish in the preheated oven and bake the cake for the recommended time. Use a toothpick to check if the cake is done by inserting it into the center if it comes out clean, the cake is ready. Let the cake cool before removing it from the Pyrex dish.
Using Pyrex double boilers for cooking and baking offers benefits such as gentle and even heat distribution, preventing scorching or burning of delicate ingredients, and maintaining the desired temperature for longer periods. Additionally, Pyrex is durable, easy to clean, and safe for use in the oven and microwave.
Using a Pyrex glass coffeepot for brewing coffee has benefits such as being durable, easy to clean, and not retaining flavors from previous brews. Additionally, Pyrex glass is heat-resistant and allows you to see the coffee brewing process, ensuring optimal extraction.
salammoniac is used to clean and tin the soldering iron that solders the lead that holds the stained glass together.
Try acetone, butanol, trichlorethylene.
If a nice isopropyl alcohol scrubbing doen't work, try a blue flame (possibly propane gas) cleansing.
Corning Pyrex was introduced in 1915.