IMPACTINATOR Spezifikation Impactinator® Glass

IMPACTINATOR®

Glass specification

properties

Density2.46±0.03g/cm3
Thermal Expansion Coefficient98.0±2X 10-7/°C
Softening Point829±10°C
Annealing Point605±10°C
Strain Point559±10°C
Young's Modulus75.7GPa
Shear Modulus30.6GPa
Poisson's Ratio0.24/
Vickers Hardness (after CS)700MPa
Pencil Hardness>8H/
Volume resistivity9.2lg(Ω • cm)
Dielectric Constant8.1F/m
Refraction Index1.51
Photo-elastic Constant27.1nm/cm/MPa
 

OPTICAL CHARACTERISTICS

Refraction Index1.51
Photo-elastic Constant27.1nm/cm/MPa
 

Light transmission (550nm)=92.2%

Chemical resistance

Reagent Concentration(%) Time Temperature(°C) Weight Loss (mg/cm2)
NaOH 5 % 6 h 95±0.5 0.75
HCl 5 % 24 h 95±0.5 0.12
HF 10 % 20 min 20±0.5 17.18
 

Dielectric constant (15-20°C)

Frequency (MHz)Dielectric constant (10-12 F/m)
0.0018.20
0.017.84
0.17.89
547.82
1637.71
2727.65
3817.60
4907.58
5997.55
9127.43
14997.34
19777.31
24667.29
29867.26