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 |
|