| All
glass equipment manufactured by KGW-Isotherm is made from Boro-silicate
Glass in accordance with ISO/DIN specifications 3585.
Chemical Characteristics
- Hydrolytic
resistance to DIN-ISO 719-C
- Acid
resistance to DIN-ISO 1776
- Alkaline
resistance class to DIN 52322-A2 and ISO695-A2
Optical
Characteristics The
spectral region is in the range 310nm to 2200nm where absorption
is negligible
Physical
Characteristics
- Linear
expansion factor (20 °C to 300 °C); 3.3 x10-6
/ °K
- Density;
2.23 g/cm3
- Specific
thermal capacity: 910 J/Kg °K
- Transformation
temperature 525 °C
Ambient
Temperature for Dewar Flask +200
°C to -200 °C |