IMPACTINATOR Spezifikation

IMPACTINATOR®

Spécification de verre

traits

Density 2.46±0.03 g/cm3
Thermal Expansion Coefficient 98.0±2 X 10-7/°C
Softening Point 829±10 °C
Annealing Point 605±10 °C
Strain Point 559±10 °C
Young's Modulus 75.7 GPa
Shear Modulus 30.6 GPa
Poisson's Ratio 0.24 /
Vickers Hardness (after CS) 700 MPa
Pencil Hardness >8H /
Volume resistivity 9.2 lg(Ω • cm)
Dielectric Constant 8.1 F/m
Refraction Index 1.51
Photo-elastic Constant 27.1 nm/cm/MPa
 

CARACTERISTIQUES OPTIQUES

Refraction Index 1.51
Photo-elastic Constant 27.1 nm/cm/MPa
 

transmission de la lumière (550nm)=92.2%

Résistance chimique

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
 

Constante diélectrique (15-20°C)

Frequency (MHz) Dielectric constant (10-12 F/m)
0.001 8.20
0.01 7.84
0.1 7.89
54 7.82
163 7.71
272 7.65
381 7.60
490 7.58
599 7.55
912 7.43
1499 7.34
1977 7.31
2466 7.29
2986 7.26