2022 индивидуальные образцы различных форм кварцевые трубки прозрачные стеклянные


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Цена:3,00 $ - 20,00 $*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Aug-19-2025 4.11 $* 4.60 $*
Jul-19-2025 3.85 $* 3.61 $*
Jun-19-2025 4.24 $* 4.95 $*
May-19-2025 4.26 $* 4.79 $*
Apr-19-2025 3.64 $* 3.56 $*
Mar-19-2025 4.90 $* 4.89 $*
Feb-19-2025 4.65 $* 4.53 $*
Jan-19-2025 4.4 $* 4.62 $*

Характеристики





Product Description


High Resistant BET Test Quartz Glass Tube For Sale
Quartz Glass Ball Shape Sample Tube widely use for BET adsorption ratio surface experiment, widely popular in American High-precious Instrument and Equipment .
we also provide the quartz filler rods for use with this product.
Size:OD 8mm*Thickness 1mm
Length: Approx.281mm
Customized size avaliable

If you need special one, pls kindly send us the drawing.




All Shape of BET test Sample Tubes Available 
we have quartz glass sample tube One end with Ball shape, funnel shape, trumpet-shaped, U shape etc, welcome to Welcome to pick and buy.


Product Paramenters


Property Content
Property Values
SiO2
99.99%
Density
2.2×103 kg/cm³
Hardness
5.5 - 6.5 Mohs' Scale 570 KHN 100
Tensile Strength
4.8x107 Pa (N/mm2) (7000 psi)
Compression Strength
>1.1×109 Pa (160,000 psi)
Coefficient of Thermal Expansion
5.5x10-7 cm/cm·°C (20°C-320°C)
Thermal Conductivity
1.4 W/m·°C
Specific Heat
670 J/kg·°C
Softening Point
1730°C (3146°F)
Annealing Point
1180°C (2156°F)
Strain Point
1075°C (1967°F)
Electrical Resistivity
7x107 ohm cm (350°C)


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Company Profile








Certifications




Our Advantages


Professional Quartz Glass deep processing
With the help of high Production technology, we can achieve precise and difficult machining of the arc, slope, slot,sphere,cylinder, cambered and curved surface, and angle of the product.
The customer's own design. The minimum aperture can reach 0.8 mm and the minimum geometric tolerance can reach±0.01 mm. Finish, surface, roughness and raw materials can be customized according to customer requirement. Product has high precision and long service.




Packing & Delivery


Packaging
1. Inner: 1piece / Bubble paper. Plastic air cushion film. Foam material
2. Outer: Shipping Carton Wooden case/ According to customers' requirement.
Delivery:
1. By Air (China Post Air Mail, ePacket, DHL, UPS, TNT, FEDEX)
2. By Sea (FOB Qingdao,Shanghai etc.)
3. Both air and sea shipment is available, it's depend on your request.


FAQ


1.Q:What is the material of your products?
A: The material is natural quartz and glass.
2.Q:Are you a factory or trading company?
A: We are a factory.
3.Q:How does your factory do regarding quality control?
A: Quality is priority. We have our professional quality control team to guard every step of the manufacturing.
4.Q:How can I pay for you?
A: T/T, West Union and Alibaba credit guarantee order.
5.Q:How do you ship the goods and how long does it take to arrive?
A: We usually ship by ePacket, DHL, TNT, UPS or FedEx. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.


Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com