JD Wholesale LAB Borosilicate Transparent Glass Test Tube
JD Wholesale LAB Borosilicate Transparent Glass Test Tube
Overview:
The JD Wholesale LAB Borosilicate Transparent Glass Test Tube is made of borosilicate glass with below properties
| Normal | |
| Density ρ at 25°C | : 2.23±0.02g/cm3 |
| Hardness | : >7 |
| Tensile Strenth | : 4.8x107Pa (N/M2) |
| Bulk modulus | : 93x103 M pa |
| Young's modulus | : 63 KN/mm3 |
| Poisson's ratio | : 0.18 |
| Thermal expansion coefficient | : (0-300°C) (3.3±0.1)x10-6K-1 |
| Coefficient of thermal conductivity | : 1.2Wx(mxk)-1 |
| Specific heat capacity | : (20-100°C) 0.82KJx(kgxk) |
| Optical performance | |
| Light Transmittance | : 92% |
| The refractive index | : Nd: 1.47384 |
| The wavelength | 1) 435.8nm=1.481 |
| 2) 479.9nm=1.4772 | |
| 3) 546.1nm=1.4732 | |
| Themal parameter | |
| Softening point | : 810±10°C |
| Resistance to cold and hot shock | : 280°C |
| Continuous working temperature | : ≤550°C |
| The resistivity 1g ρ | : 250°C 8Ωxcm |
| Electric parameter | |
| Dielectric coefficient ε | : 4.7 |
| Dielectric strength | 5x107V/M |
| Dielectric loss factor | : tanσ (MC20°C)≤38x10-4 |
| Chemical feature | |
| Water resistance | : ISO719 HGB Level 1 |
| Acid resistance | : ISO195 HGB Level 1 |
| Alkali resistance | : ISO695 HGB Level 2 |
Product Show:
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Dimensions of JD Wholesale LAB Borosilicate Transparent Glass Test Tube:
Product | JD Wholesale LAB Borosilicate Transparent Glass Test Tube |
Outer diameter | 3mm-300mm |
Thickness of wall | 1-5mm |
Length | 100mm-2500mm |
Used | Lab glassware |
Remark | Customized size is available and the flat & well-round bottom are both acceptable. |
Package for JD Wholesale LAB Borosilicate Transparent Glass Test Tube:
1.plastic bubbles
2.polystyrene foam sheet
3.carton
4.wooden case
5.delivery by shipping or Express, such as EMS/DHL/TNT/UPS/Fedex
Shipping for JD Wholesale LAB Borosilicate Transparent Glass Test Tube:
1. By bus, ship, train or airplane
2. By express (DHL, FEDEX, UPS, EMS or required express)
Jinzhou Jingdian Quartz Glass Co.,Ltd is a professional manufacturer producing all kinds of quartz glass products. Our company was built in 2000, we have an advanced production equipment and strong production strength. We have an advanced research team which can design all kinds of products to satisfy customers' need. Our products are widely used for all kinds of industries such as electric light source, electric heater, semiconductor, infrared heating light, optical communication even chemical industry and others. We are here looking forward to cooperate with you.
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