Max. Working Temperature (no load)

Thermo-conductivity

Thermo-expansion

Flexural Strength

Alumina  (99.8%)

1800 ^oC

8.2 W/m*^oC

8.4 x 10^-6/^oC

380 Mpa

Mullite   (60% Al2O3+ 38%SiO2)

1500 ^oC

3.6 W/m*^oC

5.4 x 10^-6/^oC

180 Mpa

Quartz (99.9% SiO2)

 1200 ^oC

1.4 W/m * ^oC

5.5 x 10^-7/^oC

48 MPa

0.8" 1" & 1.57" ( 20 , 25  40 mm ) Quartz Tubes

2" & 2.75" (50 - 70mm) Quartz Tubes

3", 3.14", 3.5"  ( 75 - 80- 90 mm) Quartz Tube

4", 4.37" & 4.5" Quartz Tubes

 5" & 6" Quartz Tubes

Vacuum Flanges for Tube Sealing (1" - 11")