Laboratory Tube 2.23g/Cm3 380V Glass Processing Plant

Brand Name:JEFFER
Certification:ISO9001, ISO14001, ISO45001
Model Number:Customized
Minimum Order Quantity:1 set
Delivery Time:90 days after received the down payment
Payment Terms:T/T, L/C
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Location: Chongqing Chongqing China
Address: 4FL, B3 Saturn Builing, No. 98 Star Road, New North Zone, Chongqing, China
Supplier`s last login times: within 15 hours
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Product Details

Tube Glass, Glass Processing Plant, Clear Tube Manufacture Line, Laboratory Use


1. Brief introduction


Glass melting is the most important process in glass production, it is a forming process where the batched materials form a qualified liquid evenly with no bubbles under high temperature heating.


At present, most of the tube glass production line mainly adopts horizontal stretching Danner process and Vello process.


Glass melting is a very complex process, it includes physical, chemical and physicochemical phenomena and reaction. These phenomena and reaction lead the mechanical mixed raw materials to complex melting glass liquid.


Physicochemical changes in each glass melting stage:
ItemDescription
1

Silicate forming

2

Glass liquid forming

3

Clearing

4

Homogenization



2. Forming process


  • Danner process

The glass liquid flows out from the furnace through the throat, goes into the rotating cylinder, the glass liquid will form a tubular type under a rotating speed of the cylinder. The tubular shape will be stretched and form a glass tube via graphite guide roller by Danner machine.


  • Vello process

The glass liquid flows out from the throat, and goes into a heat-resistance alloy pipe, the glass liquid will form into a tube under the function of compressed air.


3. Application of tube glass


ItemApplication
1Biological medicine
2Glass instrument
3Solar
4Lighting
5Chemical
6Nuclear
7Electric glass
8Others

The optimal choice used for pharmaceutical glass tube must be neutral borosilicate glass tubes.


General paramter of borosilicate glass tube:


ItemDescription
Density2.23 g/cm3
Hardness>7
Modulus of elasticity63·103N·mm-2
Tensile strength4.8x107pa(N/M2)
Compressive strength(0-300) 3.3±0.1×10-6K-1
Thermal conductivity1.2W·m-1·k-1
Softening point820±10°C
Strain point516±10°C

China Laboratory Tube 2.23g/Cm3 380V Glass Processing Plant supplier

Laboratory Tube 2.23g/Cm3 380V Glass Processing Plant

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