Home > Products > Special Glass > ZHENGZHOU STA 0.2~0.25mm thickness Borosilicate Glass Test Tube
ZHENGZHOU STA 0.2~0.25mm thickness Borosilicate Glass Test Tube
- 2147483647 Piece / Pieces per Month
- Qing dao/ Shanghai
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Product Details
Place of Origin: | Henan, China | Brand Name: | STA--glass | Model Number: | B33 |
Size: | customized | Type: | Sandblasted Glass | Application: | Lighting Glass |
Thickness: | 0.1~10mm | Composition: | Optical Glass |
Product Description
STA the material is high borosilicate 3.3. And the working temperature is 450-500C.Borosilicate 3.3 series glass
is a kind of special type glass material with the features of low expansion coefficient,high temperature resistance,
high intensity, high rigidity, transparency and chemical stability. It doesn't explode in high temperature, and can
be forged and drawn to variety of formation when soften.
The features as below :
1.)Test tube with round bottom and flat bottom.
2.)Rim: with rim or without rim
3.)Material: borosilicate 3.3 or borosilicate 4.0
Products description :
1.) Premium quality glass tubes are produced from borosilicate glass that provides excellent chemical resistance and durability. Clear Borosilicate glass test tubes can be used for chemical experiments as well as experiments related to density and other physical properties of liquids.
2.) Tubes feature well-rounded bottoms and smooth fire-polished rims.
3.) Our Glass Test Tubes are cost-effective solution for diverse chemical applications.
4.)Production according to ISO standards or as per your specifications.
5.) Standard packaging is shrink wrapped firstly, then put into strong corrugated carton.
Color:
clear, blue, amber, white, puple, pink
deep processing:
1)decal
2)hole
3)sandblast outside/inside
4) fire polished ends
Some technicial parameters :
Physical Property | |||
No. | Physical performance | Numerical Value | Unit |
1 | Coefficient of mean linear thermal expansion(20°C,300°C) | 3.3±0.1 | 10-6K-1 |
2 | Transformation temperature | 525±15 | °C |
3 | Softening point | 820±10 | °C |
4 | Working point | 1260±20 | °C |
5 | Density at 20°C | 2.23±0.02 | g/cm3 |
6 | Mean thermal conductivity(20°C-100°C) | 1.2 | w/m2k |
7 | Refractive index | 0.92 | 1 |
Main Composition | |||
SiO2 | B2O3 | Na2O+K2O | Al2O3 |
81 | 13 | 4 | 2 |
Chemical Property | |
Hydrolytic resistance at 98°C | ISO719-HGB 1 |
Hydrolytic resistance at 121°C | ISO720-HGA 1 |
Acid resistance Class | ISO1776-First Class |
Main typical application :
a.)labware,
b.)lighting,
c.)diray machine
d.) craftware
e.) solar collect
Polythene-foamed sheet bag and wooden case and wooden pallet or pack as customer’s requirements.
You can contact our trade manager at any time. Your problems can be responsed in 12 hours can we will give you solutions in 24 hours. Also if there’s any problem about our products’ quality, we accept resending them again. Thank you.
*STA Universe Group is bigger manufacturer, of which STA is a brand, is part of the STA Universe Group, a large, high-technology engineering group. It include many factories in China, such as Henan, Zhejiang, Shandong, many provinces.
*STA Heating Elements Factory of STA Group, of which STA is a brand, is a world-leading developer and manufacturer of products based on advanced heating elements.
*Our products and services contribute to our customers' productivity, reliability and cost efficiency while reducing their environmental impact in a wide variety of industry segments.
*Our advanced and professional technology, complete production lines, experienced staff and strict corporate system ensure our products quality. We pride ourselves on quality products, service and pricing, and believe that the three aspects are equally important to ensure the long-term success of overseas purchasing program.
*STA is a leading manufacturer for laboratory high temperature muffle furnace, tube furnace, vacuum furnace, atmosphere furnace, dental singtering furnace, bottom loading furnace, bogie hearth furnace, mosi2 heating elements, sic heating elements , alumina ceramic tube pipe, refractory material, ceramic fiber board blanket.
Why STA:
1. We are a manufacturer, which can control the cost easiler than trade company also can give you anwer more quickly.
2. As a manufacturer, we know much in technique and can give you more support in technique problem.
3.Our products are complete in specifications with various of sizes.
4.We enjoy a good reputation in the customers in domestic and overseas markets.
Our factory can according to your need to customize different type required.
If you have any questions or new need of them, pls contact me at any time. The more information will be sent to you, thanks in advance.
Related products link please click on the picture:
Contact Us
- STA Refractory (Zhengzhou) Co., Ltd.
- Contact nameAlice Wang
- Phone86-371-55180399
- AddressJinshui Zone Zhengzhou,Henan
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