What is Disadvantages of Tempered Glass?

Tempered glass may seem like a safe and durable material, but it has its limitations and potential dangers that you should be aware of. This popular glass type is prone to shattering unexpectedly, and once damaged, it cannot be repaired. However, with the proper maintenance and handling, tempered glass can provide excellent performance and durability for a long time.

 

 

Tempered glass has traditionally been one of the most popular glass types in a wide variety of applications. It is known for its strength and durability, which make it ideal for buildings, vehicles, and household items. However, tempered glass is not without its limitations and potential dangers that you should be aware of.

 

 

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Tempered glass,also called toughened glass, or reinforced glass, one safety glass, is a type of prestressed glass that creates compressive stress on the glass surface through chemical or physical tempering methods, thereby improving the strength and safety of the glass. the surface of tempered glass has compressive stress, while tensile stress is formed inside. this structure allows the glass to better offset stress when it is subjected to external forces, thereby enhancing its resistance to wind pressure, cold and heat and impact. 

 

Manufacturing Processes for Tempered Glass: 

 

The manufacturing processes of tempered glass mainly includes the following steps: 

 

1. Cut:     

First, cut the regular glass sheet into the desired size, this step is to ensure that the dimension of final product meet the requirements. 

 

2. Edging and Cleaning:

Cut glass needs to be edged and cleaned to remove impurities and make the glass surface smoother. 

 

3. Heating:

Put the treated glass into the tempering furnace for heating, usually to a temperature near softening temperature of the glass. this step is to bring the glass to a certain temperature for subsequent tempering. 

 

4. Quick cooling‌:

Heated glass needs to be cooled quickly, usually through forced convection or injection of cooling media (such as air, water). Rapid cooling will produce different shrinkage rates on the surface and inside of the glass, thereby forming compressive stress and tensile stress, improving the mechanical strength and thermal stability of the glass‌. 

 

5. ‌Inspection and Packaging‌:

Finally, the tempered glass is inspected to ensure that it meets the quality standards before packaging‌. 

 

Our Continuous Thermal Tempering Furnace for Heating and Cooling Glass Sheets: 

 

 

 

Disadvantages of Tempered Glass: 

 

--1. Unprocessable‌:

Tempered glass can no longer be cut, drilled and processed. The tempered glass can only be processed to the required shape before tempering.

 

--2. Risk of self-explosion‌:

Tempered glass has the possibility of self-explosion when the temperature difference changes greatly, but ordinary glass does not have this problem.

 

--‌3. Appearance defects‌:

There may be wind spots and uneven thickness on the surface of tempered glass.

 

--4. Fragile corners:

The corners of tempered glass are relatively fragile and can easily break under the influence of external forces. ‌

 

---5. Higher Cost: 

Compared with regular glass material, the cost of tempered glass product is relatively higher, we can find that reason from the manufacturing processing of tempered glass. for regular glass, maybe we can get the final glass products through cutting, edging and grinding, drilling, cleaning, and then can be packed. but for tempered glass products, once the regular glass sheets are cut, edged and ground, some glass may need to be drilling, then being cleaned, the dry glass sheets will be sent to the tempering furnace to be heated to a specific temperature, then be cooled rapidly, the tempered glass sheets will be delivered for the final silk screen printing process to press required patterns on the surface of the tempered glass, once being printed, the tempered glass will be packed and prepared for delivery. so we can see the manufacturing cost for tempered glass is much higher than that of regular glass products. 

 

 

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In recent years, there have been a number of incidents involving tempered glass that have drawn attention to its potential risks. For example, there have been reports of tempered glass shower doors shattering and causing serious injuries to people. In response to these concerns, some manufacturers have started adding warning labels to their tempered glass products.

 

Despite these risks, tempered glass remains a popular choice for many applications. One of the reasons for this is that it is much stronger than traditional glass. When tempered glass breaks, it shatters into small, rounded pieces instead of sharp, jagged shards. This can reduce the risk of injury in some cases.

 

Another advantage of tempered glass is that it is more resistant to thermal stress than traditional glass. This makes it ideal for use in applications where temperature changes are common, such as in windows and doors. Tempered glass can also be used in applications where safety is a concern, such as in car windows and windshields.

 

To maintain tempered glass properly, it is important to handle it with care. This means avoiding any impact or stress on the glass and keeping it clean with a mild soap solution. If tempered glass does become damaged or chipped, it should be replaced immediately to ensure safety.

 

As for the market outlook, tempered glass is expected to continue to be a popular choice for many applications. In particular, its strength and durability make it ideal for use in construction and automotive industries. However, manufacturers will need to continue to address safety concerns and work to improve the performance and reliability of tempered glass products.

 

In conclusion, tempered glass is a strong and durable material that has been used in a wide variety of applications for many years. While it has its limitations and potential dangers, tempered glass can provide excellent performance and durability with proper handling and maintenance. As long as manufacturers continue to address safety concerns and work to improve the performance and reliability of their products, tempered glass is likely to remain a popular choice for many industries.

 

 

About Huide Glass: 

 

Huide Glass has been in that processing business of tempered glass sheets products for around 13 Years since 2011. We have strong production and development capabilities, and currently has 7 automatic cutting machines, 8 edge grinding lines, there are 8 CNC precision grinding processing centers; there are 3 tempering furnaces(one for North-Glass, one for Yihai, and one for continuous tempering furnace SOUTHTECH). we can fabricate tempered glass sheet products 3,000,000 square meter per year. 

 

Our tempered glass products includes tempered glass shelf for refrigerator, tempered glass door for refrigerators, tempered glass lid for household washing machines, tempered glass sheet for smart tea table top or bedside table top, tempered glass cover panel for water cleaner and water heater, tempered glass cover for advertising billboard, tempered glass top and front door panel for tea bar machine, tempered glass cover panel for display cabinet, display box, or tempered glass cover sheet for showcase counter,etc, and also we can do customized manufacturing according to your unique real applications. if you want to know more, don't hesitate to contact us.