Оптовая продажа с завода стекло для часов сапфировым


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Цена:743,28 ₽*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Aug-17-2025 944.11 $* 963.84 $*
Jul-17-2025 765.77 $* 780.28 $*
Jun-17-2025 929.86 $* 948.11 $*
May-17-2025 921.95 $* 939.89 $*
Apr-17-2025 736.7 $* 751.60 $*
Mar-17-2025 906.78 $* 924.26 $*
Feb-17-2025 899.45 $* 917.67 $*
Jan-17-2025 892.83 $* 910.21 $*

Характеристики


1. High temperature resistance.


The softening point of quartz glass is about 1730 ℃. It can be used at 1100 ℃ for a long time, and the maximum temperature can
reach 1450 ℃ in a short time.
2.Good thermal stability
The coefficient of thermal expansion of quartz glass is very small, and it can withstand drastic temperature changes. When the
quartz glass is heated to about 1100 ℃, it will not burst into normal temperature water.

3.Good light transmittance
Quartz glass has good transmittance in the whole spectral band from ultraviolet to infrared. The visible light transmittance is
more than 93%, especially in the ultraviolet spectral region, the

4.Good electrical insulation

The resistance value of quartz glass is 10000 times that of ordinary glass. It is an excellent electrical insulating material and
has good insulating performance even at high temperature.

5.Corrosion resistant
In addition to hydrofluoric acid, quartz glass hardly reacts with other acids. Its acid resistance is 30 times that of ceramics
and 150 times that of stainless steel, especially its chemical stability at high temperature, which is unmatched by any other
engineering materials.
application
The formation of quartz glass sheet is due to the high viscosity of its melt at high temperature. It is widely used in
semiconductor, electro-optic source, semiconducting communication device, laser, optical instrument, laboratory instrument,
electrical equipment, medical equipment, high temperature and corrosion resistant chemical instrument, chemical industry,
electronics, metallurgy, building materials and national defense industry.
instructions
Precautions for use of quartz glass:
1. Quartz glass products are valuable materials, so they must be handled with care;
2. All kinds of quartz glass have a maximum service temperature, which should not be exceeded, otherwise crystallization or
softening deformation will occur;
3. The quartz glass that needs to be used at high temperature must be wiped clean before use. It can be soaked in 10%
hydrofluoric acid or lotion, then cleaned with high purity water or treated with alcohol. Wear fine gloves during operation,
and do not touch quartz glass directly with hands;
4. Continuous use of quartz glass products is allowed under high temperature, which is beneficial to prolong the service life of
quartz glass and improve the temperature resistance. On the contrary, the intermittent use of quartz glass products under high
temperature has limited use times;
5. Although quartz glass has high thermal stability, it can withstand sharp temperature difference. However, due to the
difference of residual strain and product shape, there are some differences in thermal stability in practical use, which
should be paid attention to;
6. Quartz glass is acidic material. When it is used at high temperature, it should be strictly avoided to contact with alkaline
substances (such as sodium silicate, asbestos, potassium and sodium compounds, etc.), otherwise its anti crystallization
performance will be greatly reduced.
Customized product display
Packing & Delivery
Brose provides professional packaging and delivery services to customers all over the world.
-We ensure that our products are well protected and packed in wooden cases.
-All products must pass SOPs such as verification and inspection before delivery.
FAQ
How to handle orders for quartz products? A: first let us know your requirements or applications. Secondly, we offer according to your requirements or our suggestions. Third, the customer confirms the sample and places a deposit for the formal order. Fourth, we arrange production.
How do you ship the goods and how long does it take to arrive? A: we usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Air and sea transportation are also optional.
Do you have any minimum order quantity restrictions on quartz product orders? A: Low order quantity, one sample can be provided for inspection
Why buy from us instead of from other suppliers? We have a quartz product factory. We can make your quartz products according to your design or samples.

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