U образная сушильная трубка 15*150 мм устойчивая к высоким температурам пробирка из твердого стекла химический инструмент кварцевого
- Категория: >>>
- Поставщик: Donghai Boze Quartz Products Co. Ltd.
Сохранить в закладки 1600304343640:
Описание и отзывы
Характеристики
Specification
Warm reminder
The size of quartz glass tube instrument is too much, the product price is the reference price, the exact price please send drawings, quantity address and customer service contact party
Model | brand brose |
external diameter | 1.50-800mm |
Wall thickness | 0.50-20mm |
length | 5-4500mm |
Material Science | High purity > 99.95% (SiO2) |
shape | Straight, C, u, round, pear, spiral, dome, closed |
Design tensile strength | 4.80x 10 7n / m ^ 2 |
Design compressive strength | 1.10x 10 9N / m ^ 2 |
Product Description
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.
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.
quartz glass is heated to about 1100 ℃, it will not burst into normal temperature water.
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 maximum transmittance is more than 80
more than 93%, especially in the ultraviolet spectral region, the maximum transmittance is more than 80
electrical insulation
has good insulating performance even at high temperature.
Product use
Quartz glass is widely used in electric light source, semiconductor, optical communication, military industry, metallurgy,
building materials, chemistry, machinery, electric power, environmental protection and other fields because of its excellent
physical and chemical properties
building materials, chemistry, machinery, electric power, environmental protection and other fields because of its excellent
physical and chemical properties
Company Profile
Donghai Boze quartz products Co., Ltd
.Located in Donghai crystal industry base, covering an area of more than 10000 square meters, it mainly specializes in the production and processing of quartz tubes, capillary quartz tubes, quartz test tubes, large-diameter quartz tubes, quartz flakes, quartz boats, quartz furnace tubes, quartz rods, quartz opal tubes, quartz cigarette nails, quartz glass covers, quartz reactors and laboratory instruments, Quartz digestion tube and other quartz products. The company has gas refining furnace, forming machine, cutting machine, grinding machine, plate fast splicing machine, annealing furnace and other equipment. At the same time, the company also has deep processing of quartz glass, such as cutting, barbecue, sealing, bending, welding, secondary forming
Product display
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.
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.
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.
-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
1. How do we guarantee the quality?
It is always pre production sample before mass production;
Always carry out final inspection before delivery
It is always pre production sample before mass production;
Always carry out final inspection before delivery
2. Why buy from us instead of other suppliers?
We have quartz products factory, we can make your quartz products according to your design or sample.
We have quartz products factory, we can make your quartz products according to your design or sample.
3. What services can we provide?
Accepted delivery methods: FOB, CFR, CIF, EXW, express;
Accepted payment currency: US dollar, euro, RMB;
Accepted payment types: T / T, L / C, credit card, PayPal, Western Union remittance, cash, trusteeship;
Language: English, Chinese, Korean, Japanese
Accepted delivery methods: FOB, CFR, CIF, EXW, express;
Accepted payment currency: US dollar, euro, RMB;
Accepted payment types: T / T, L / C, credit card, PayPal, Western Union remittance, cash, trusteeship;
Language: English, Chinese, Korean, Japanese
4. Do you have any order quantity limit for quartz products?
sixteen \t A: Low order quantity, 1 sample can be provided for inspection
sixteen \t A: Low order quantity, 1 sample can be provided for inspection
5. How to handle orders for quartz products?
A: let us know your requirements or applications first.
Secondly, we offer according to your request or our suggestion.
Third, the customer confirms the sample and makes a deposit for the formal order.
Fourth, we arrange production.
A: let us know your requirements or applications first.
Secondly, we offer according to your request or our suggestion.
Third, the customer confirms the sample and makes a deposit for the formal order.
Fourth, we arrange production.
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