KG-33 PROPERTIES - KIMAX®

Kimax® is also known as KG-33 and is a low expansion borosilicate glass. We carry many different sizes of KG-33 Tubing. KG-33 glass is good for normal use temperature of 446 °F and maximum use temperature 914 °F.

Kimax®, Kimble KG-33 Properties | Heavy Wall | Medium Wall | Standard Wall

Kimax®, Kimble KG-33 Properties
Glass Code: Kimble, Kimax®
KG-33
Type
Borosilicate
Color
Clear
Prinicipal Use
General Lab Ware

Thermal Expansion

Multiply by 10-7 cm/cm/° C

0 -300° C
32
25° C. to Setting Point
35

Upper Working Tempature for Annealed Glass

(Mechanical Considerations Only)

Normal Service °C
230
Extreme Service °C
490

Upper Working Tempature for Tempered Glass

(Mechanical Considerations Only)

Normal Service °C
260
Extreme Service °C
290

Thermal Shock Resistance

(15 x 15cm Annealed Plates) This data is Approximately.

3.2mm Thick °C
160
6.4mm Thick °C
130
12.7mm Thick °C
90
Thermal Stress Resistance °C.
54

Viscosity Data

(This data is subject to normal manufacturing variations.)

Strain Point °C
513
Annealing Point °C
565
Softening Point °C
827
Working Point °C
1255
Density q/cm3
2.23
Young's Modulus (Multiply by 103Kg/mm2)
6.4
Poisson's Ratio
.20
Log10 of Volume Resistivity ohm/cm.
25° C
15.0
250° C
8.1
350° C
6.6

Dielectric Properties

(1 MHz 20° C)

Power Factor %
0.50
Dielectric Constant
4.6/td
Loss Factor %
2.6
Refractive Index
1.47
Stress - Optical Coefficient. (nm/cm) / (Kg/mm2)
3.7

 

2015 © Glass Dynamics, LLC.
Designed by Kim Kelly