Glass Development History, Maintenance and Precautions
Glass is an amorphous inorganic non-metallic material, generally made of a variety of inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash, etc.) as the main raw material, and a small amount of auxiliary raw materials are added of.
Development History
The earliest glass makers in the world were ancient Egyptians. The appearance and use of glass has a history of more than 4,000 years in human life. Small glass beads have been unearthed from the remains of Mesopotamia and ancient Egypt 4,000 years ago.
In the 12th century AD, commercial glass appeared and began to become an industrial material. In the 18th century, in order to meet the needs of making telescopes, optical glass was produced. In 1874, Belgium was the first to produce flat glass. In 1906, the United States made a flat glass machine. Since then, with the industrialization and scale of glass production, glass of various uses and properties has come out one after another. In modern times, glass has become an important material in daily life, production and scientific and technological fields.
More than 3,000 years ago, a European Phoenician merchant ship, loaded with the crystalline mineral "natural soda", sailed on the Belus River on the coast of the Mediterranean Sea. Due to the ebb, the merchant ship ran aground, so the crew members went to the beach. Some crew members also carried cauldrons, brought firewood, and used a few pieces of "natural soda" as the supports for the cauldron to cook on the beach.
When the crew finished their meal, the tide began to rise. When they were about to pack up and board the ship to continue sailing, someone suddenly shouted: "Come on, everyone, there is something crystal bright and sparkling on the sand under the pot!"
The crew brought these glittering things to the ship to study them carefully. They found that the shiny things had some quartz sand and melted natural soda stuck to them. It turned out that these sparkling things were the natural soda used to make the pot holder when they were cooking. Under the action of the flame, the substance produced by the chemical reaction with the quartz sand on the beach was the earliest glass. Later, the Phoenicians combined quartz sand and natural soda, and then melted them in a special furnace to make glass balls, which made the Phoenicians a fortune.
Around the 4th century, the ancient Romans began to apply glass to doors and windows, and by 1291, Italian glass manufacturing technology had been very developed.
In this way, Italian glass artisans were sent to an isolated island to produce glass, and they were not allowed to leave the island for the rest of their lives.
In 1688, a man named Nave invented the process of making large pieces of glass, and since then, glass has become a common object.
maintainance
1. Do not collide with the glass surface with force. In order to prevent the glass surface from scratching, it is best to cover it with a tablecloth. When placing things on glass furniture, handle them with care and avoid collision.
2. For daily cleaning, just wipe it with a wet towel or newspaper. In case of stains, it can be wiped off with a towel dipped in beer or warm vinegar. In addition, you can also use the glass cleaner sold in the market. Strong solution cleaning. In winter, the surface of the glass is easy to frost, and it can be wiped with a cloth dipped in concentrated salt water or white wine, and the effect is very good.
3. Once the patterned frosted glass is dirty, you can use a toothbrush dipped in detergent to wipe it in circles along the pattern to remove it. In addition, you can also drop a little kerosene on the glass or use chalk ash and gypsum powder dipped in water to coat the glass to dry, and then wipe it with a clean cloth or cotton, so that the glass is clean and bright.
4. Glass furniture is best placed in a relatively fixed place, do not move back and forth at will; to place objects smoothly, heavy objects should be placed at the bottom of the glass furniture to prevent the furniture from falling over due to the unstable center of gravity. In addition, it is necessary to avoid moisture, keep away from the stove, and isolate it from chemical reagents such as acids and alkalis to prevent corrosion and deterioration.
5. The use of plastic wrap and a damp cloth sprayed with detergent can also "renew" the glass that is often stained with oil. First, spray the glass with cleaning agent, and then stick the plastic wrap to soften the solidified oil stains. After ten minutes, tear off the plastic wrap and wipe it with a damp cloth. In order to keep the glass clean and bright, you must clean it frequently. If there are handwriting on the glass, you can rub it with a rubber soaked in water, and then wipe it with a damp cloth; if there is paint on the glass, you can use cotton dipped in hot vinegar to scrub; use a clean dry cloth dipped in alcohol to wipe the glass , making it as bright as crystal.
Precautions
1. In order to avoid unnecessary losses during transportation, be sure to fix and add soft pads. It is generally recommended to use the erect method for transportation. The vehicle should also pay attention to keep it steady and slow.
2. If the other side of the glass installation is closed, pay attention to cleaning the surface before installation. It is best to use a special glass cleaner, and it is best to use clean construction gloves when installing it.
3. The installation of glass should be fixed with silicone sealant. In the installation of windows, etc., it also needs to be used in conjunction with rubber sealing strips.
4. After the construction is completed, it is necessary to attach anti-collision warning signs. Generally, stickers, colored electrical tapes, etc. can be used as reminders.
5. Do not collide with sharp objects.
wipe glass
1. Wipe the glass: first wipe the glass frame clean with a towel, then use the glass to scrape the diluted glass aqueous solution, spread the glass evenly from top to bottom, and then repeat the above process, scrape the glass from top to bottom, use Wipe the water marks left on the frame with a dry towel. The water marks on the glass must be wiped off with the glass, otherwise there will be traces left on the glass.
2. Mix vinegar and water in the ratio of 1:2, put it in the spray, spray it on the glass and wipe it, it can be very clean.
3. Add 5% amonia solution or gasoline to the water basin, use it to clean the glass, and then wipe it with a dry cloth after the glass is slightly dry, the glass will be spotless, bright and transparent. When cleaning glass, you can choose different models of window cleaners to see if you are cleaning double-layer glass or single-layer glass. Using the window cleaner is convenient, labor-saving and safe.
4. If there is mildew on the glass surface, you can reconcile the ratio of hydrofluoric acid (HF) and water to 1:8 (note: if it exceeds 1:8, it will cause damage to the hand), and wipe the glass. Note: Be sure to do a good job of corrosion protection, and the skin should not come into contact with HF, otherwise it will be seriously corroded! After wiping the glass, wipe it again with clean water, and finally dry the glass.
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