SKU MG-AB6B79

High Temperature Large Diameter High Borosilicate Glass Tubes

High Temperature Large Diameter High Borosilicate Glass Tubes — a precision glass tube / rod. Specs, RFQ checklist and custom sizes to drawing.

Glass TubeType
Daily UseApplication
TransparentColor
65*1.8*1500mModel NO.
High Temperature Large Diameter High Borosilicate Glass Tubes

Product type: Glass Tube. Application: Daily Use. Model: 65*1.8*1500m.

Overview

High Temperature Large Diameter High Borosilicate Glass Tubes is a precision glass tube / rod. Typical applications: Daily Use. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

Specifications

Type Glass Tube
Application Daily Use
Color Transparent
Model NO. 65*1.8*1500m
Supplier Shandong Longguang Tianxu Solar Energy Co., Ltd.

Technical data

No. Physical Performance Numerical Value Unit
1 Coefficient of meamlinear thermal expansion (20ºC-300ºC) 3.3+/-0.1 10-6K-1
2 Transformation temperature 525+/-15 ºC
3 Softening point 820+/-10 ºC
4 Working Point 1260+/-20 ºC
5 Density at 20ºC 2.23+/-0.02 g/cm3
6 Mean thermal conductivity(200-100ºC) 1.2 w/m2k
7 Refractive index 0.92 1
SiO2 B2O3 Na2O+K2O Ai2O3
81 13 4 2
Hydrolytic Resistance at 98ºC ISO719-HGB 1
Hydrolytic Resistance at 121ºC ISO720-HGA 1
Acid Resistance Class ISO1776-first class

What to specify when you request a quote

  • Material — name the glass (borosilicate 3.3, quartz, soda-lime).
  • OD, ID and wall — listed as “65*1.8*1500m”; give outer and inner diameter or wall and their tolerances.
  • Length and ends — give length, end finish and any closed or flared ends.
  • Straightness and bore — state straightness and bore tolerance for precision tubing.

Engineering guides for this part

For material grades and coating options, see Borosilicate Glass 3.3: Material & Coating Guide for Machined Parts. How parts like this are machined and finished is covered in Precision Bore Glass Tubing Processing: End-to-End Manufacturing for Industrial Buyers. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is 4-inch Borofloat 33 Glass Wafers.

FAQ

Where is this precision glass tube / rod used? expand_more
Listed applications: Daily Use.
What should I include in a quote request? expand_more
Include material, od, id and wall, length and ends and straightness and bore, plus quantity and a drawing if the part is custom.

Related products

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High Temperature Large Diameter High Borosilicate Glass Tubes

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