| about us | technical documentation | info request | news | contact | site map | legal notes |


PRODUCTS
Optical Components
Optical components for medical/beauty treatments
tOptical materials
tWindows for CCTV Housings
tAR and conservative products
tFront Surface Mirror and partial refleting mirros
tLaser Diodie Devices
tVisible and IR Sensors
tMicrosignal Amplifiers
tMicrosignal Photoreceivers
tOpto-Mechanical Components
tIrreversible Thermometers
< Tech. doc. < properties and transmission of optical materials


VETRO eq. BK7 - (PDF Properties and Curves)


PROPRIETA' del VETRO eq BK7

PROPRIETA' MECCANICHE
Modulo di Young : 8,20 x 109dyn/mm2
Durezza di Knoop : 610
Costante di Poisson : 0,206

PROPRIETA' TERMICHE
Coefficiente di dilatazione termica : 7,1x10-6 °C-1 (da -30°C a 70°C)
: 8,3x10-6 °C-1 (da 20°C a 3000°C)
Temperatura di Trasformazione : 557°C

Proprietà ottiche