How to hide apps on Samsung Galaxy J3 Pro
The feature allows you to hide apps that you want to keep from being seen by others.
How many types of watch glass have? Which one should I choose?
For a watch like a mechanical watch or a battery watch , the glass is considered a protective shield against many external influences. So how many types of watch faces should you buy and which one should you buy? Please follow the article below.
1. How many types of dials are there?
The dial is the transparent glass that covers and protects the face. Currently, there are 3 common types of watch faces: Sapphire Crystal (Sapphire Glass ), Acrylic Crystal (Mica Glass), Mineral Crystal (Mineral Glass ).
Mica Glass : A transparent synthetic resin glass, often used in cheap watches or children's watches.
Mineral glass : Made of inorganic minerals, it is one of the most used glass types today.
- Sapphire glass : A special type of glass that is highly scratch resistant and corrosion resistant, is made up of aluminum oxide powder, undergoes the verneuil process (the process of creating single sapphire and ruby crystals) to form sapphire blocks. .
2. Advantages and disadvantages of different types of glass
- Mica Glasses:
+ Advantages: Mica glasses are cheap, have natural transparency. The characteristic convexity of the glass surface makes viewing angle look clearer and sharper.
Disadvantage: The hardness is quite low, easy to blur. The glass will be scratched, matte after a period of use and cannot be polished.
- Mineral glass:
+ Advantages: Mineral glass has a relatively cheap price, high transparency. In addition, the mineral glass is easy to polish when scratched and capable of withstanding light impacts.
+ Disadvantage: Because of its easy to be cracked, broken and easily scratched properties, replacing the mineral glass is quite difficult.
- Sapphire glass:
+ Advantages: Sapphire glass is resistant to corrosion, high impact resistance. In addition, sapphire glass has a transparency that gives you a clearer view of time than conventional glasses.
+ Disadvantage: Although resistant to scratches, high impact resistance, but sapphire glass has a high cost, can only be replaced when the glass is scratched.
3. What kind of glass should be chosen?
Depending on your needs, the job you can choose the right glass for you. Normally, cheap and affordable products for children will be fitted with mica glasses, this type must be carefully preserved because it is easy to scratch, opaque after a period of use.
If you are a careful person, cleaning your watch and want to change a new watch model from time to time, you can buy products with mica glasses to save money.
For watches with mineral glass, they are usually mid-range, so they will suit those who need a timepiece that is not too expensive but durable, easy to polish.
Finally, the "school" of sapphire, these glass-covered products are usually priced more "acrid" than the other two types, which will suit users with economic conditions and need to find a durable watch, perennial board.
Through the information I have just shared above, I hope you will choose a suitable product.
See more:
>> Should choose a sapphire crystal watch or hard glass? How to distinguish?
>> Should buy a square or round face watch, large and small wrists should buy
>> How many types of watch bands are there? Which one should I choose?
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