What's wrong with glass mold?
- Categories:Glass knowledge
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- Time of issue:2016-04-26 09:51
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(Summary description)First, the identification and inspection method of glass mold Visual inspection is the most concise and feasible method. Under strong light, place the sample in reflected light and transmitted light and observe the glass surface for spots and mist. These spots and mist cannot be wiped off with cloth or water. If the above phenomenon occurs, it means that the sample has been moldy.
What's wrong with glass mold?
(Summary description)First, the identification and inspection method of glass mold
Visual inspection is the most concise and feasible method. Under strong light, place the sample in reflected light and transmitted light and observe the glass surface for spots and mist. These spots and mist cannot be wiped off with cloth or water. If the above phenomenon occurs, it means that the sample has been moldy.
- Categories:Glass knowledge
- Author:
- Origin:
- Time of issue:2016-04-26 09:51
- Views:
First, the identification and inspection method of glass mold
Visual inspection is the most concise and feasible method. Under strong light, place the sample in reflected light and transmitted light and observe the glass surface for spots and mist. These spots and mist cannot be wiped off with cloth or water. If the above phenomenon occurs, it means that the sample has been moldy.
Second, the phenomenon of glass mold
1. White fog, white spots: the slightest mildew on the glass surface due to storage time, air humidity or glass quality problems.
2. Rainbow: When white fog and white spots appear for a long time without timely treatment, a rainbow will form. At this time, the moldy condition still only stays on the surface of the glass without corrosion into the glass.
3. Sulfur change: The appearance of mildew on glass is the same as mild mildew, but the alkaline mildew component on the surface of the glass has corroded into the glass, which is a serious mildew.
4. Paper printing: Just like the sulfur change, the mold is on the outside and inside of the glass.
Third, the reason of glass mold
Water and moisture are the key factors for glass mildew. Without water glass, it will not mold. If there is water on the glass, the surface of the glass will be cleaned quickly and no mold will occur.
Mold is generally the result of the combined action of CO2 in glass, water and air. The water in the water or tidal air stays on the glass surface for a long time, and it will chemically react with the CO2 in the air, which will inevitably cause mold.
The temperature affects the speed of glass mold. The higher the temperature, the more likely the glass will be moldy. When the temperature is 10 ° C higher, the rate of mold on the glass will be about 3 times faster.
Glass formula is the basic condition for moldy glass. Generally speaking, the greater the amount of Na and K dissolved in water in the glass raw material formula, the easier the glass is to mold.
Fourth, how to prevent
Waterproof and moisture proof Waterproof and moisture proof during storage and transportation is the key to avoid mildew in glass. Clean the glass as soon as possible after contact with water. The glass is best stacked in a dry place.
When the glass is stored, the film should be separated from each other. For long-term storage, it is best to spray mold powder on the glass surface. For sealed glass, a desiccant must be placed in the package. Tin facing outward Generally speaking, the tin surface of float glass has a layer of tin oxide on the surface of the glass due to the dialysis of the tin surface during the molding process. The presence of tin oxide layer has a certain role in alleviating mildew. Therefore, the hollow glass tin generally faces the hollow layer.
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