Borosilicate glass test tube with wooden cork stopper 

 Accept the sample order, also could customize based on the drawing.

Overview

Quick Details

Place of Origin:

China (Mainland)

Brand Name:

YUD

Model Number:

Quartz Tube

Type:

Clear Quartz Pipe

Color:

Transparent or Opaque,Clear and transparent

Application:

Chemical industry, heater and light field

Surface Treatment:

Polished

Outside Diameter:

3-300mm

Ozone Content:

Ozone Free

Density:

2.2g/cm3

Size:

Customized

Purity:

99.99%

Wall Thickness:

1mm-5.0mm

Length:

100mm-2500mm

Cap:Wooden Cork or Rubber Cap

Packaging & Delivery

Packaging DetailsInner White foam paper+ Plastic foam sheet ,Outside with wooden

Delivery Time In 7-15 days after we received the deposit

Product Description

Overview:

• The YUD Borosilicate glass test tube with wooden corstopper 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
Themal parameter
Softening point	: 810±10°C
Resistance to cold and hot shock	: 280°C
Continuous working temperature	: ≤400°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
acidresistivity	: ISO195 HGB Level 1
Alkali resistance	: ISO695 HGB Level 2

Physical properity: 

Diamension:

Dimensional Tolerance

Chemical Composition(ug/g)

Application :

This product is mainly used in electric light source, electrical appliances (electric), semiconductor, optical communications, military industry, metallurgy, building materials, chemical, machinery, electricity, environmental protection and other fields.

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FAQ

  What are the advantages of Quartz glass tube? 

1.High purity made of 99.99%-99.9999% pure quartz.

2.Strong Hardness, Can reach Morse level 7.

3.High temperature resistance, can work under 1200°C continuously,and in short time can even work under 1500°C.

4. The stability is 30 times of the ceramic, and 150 times of stainless steel

5. Electric insulation, it is 10000 times of usual glass.

6. High light transmittance , it is different from 85%-95% depend on different spectrum.

7.Excellent thermal shock stability ,Small thermal expansion coefficient,it is only 5.5×10-7/℃

8.control in less than 20 PPM, 15 PPM, 10 PPM, 5 PPM ,2 PPM.

Why choose US ?

1. 11 years experiences on glass manufacturing and exporting.

2. Top quality glass with CE,CCC certificate, exporting to more 80 countries in the world.

3. Unique designed strong wooden cases, solving the problems of breakage.

4. Dockside warehouses beside three of China main container seaports, ensuring convenient loading and rapid delivery.

5. Full range of flat glass supply, offering one-stop purchase.

6. Professional sales team, offering personalized and dedicated services.

How to order:
Step1 Please choose the goods with links or pictures which you want to order, Then click contact supplier or chat with me Or just send an inquiry. When we get your inquiry, we will give you a quotation soon within 24hours.
Step2 You can email us your order list with details, we'll reply right away when we received your email.

Send your inquiry Details in the Below for free sample,Click "Send"now.

Certificate:

Contact:

 Welcome to contact with me in any time !