Glass Code: Corning ^®

7052

Type

Borosilicate

Color

Clear

Principal Use

Electronic

Thermal Expansion

Multiply by
10^-7cm/cm/°C

0 - 300°C.

46. 0

25°C. to setting point

53

Upper Working Temp. for annealed glass (Mechanical considerations only)

Normal service °C.

200

Extreme service °C.

420

Upper Working Temp. for tempered glass (Mechanical considerations only)

Normal service °C

210

Extreme service °C.

210

Thermal Shock Resistance

(15x15cm annealed plates) This data is approx.

3.2mm Thick °C

125

6.4mm Thick °C

100

12.7mm Thick °C

70

Thermal Stress Resistance °C.

41

Viscosity Data

(These data are subject to normal manufacturing variations.)

Strain point °C.

435

Annealing point °C.

480

Softening point °C.

710