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Corning Pyrex

Ferro-Ceramic Grinding Inc. machines over 15 different materials

Corning Pyrex

Corning Pyrex Properties
Corning Pyrex® (7740) Pyrex is a Trade Name of Corning Inc. for their borosilicate glass.

Corning Pyrex Properties

Corning Pyrex® (7740)

Pyrex is a Trade Name of Corning Inc. for their borosilicate glass. Borosilicate is known for it’s ability to withstand thermal shock, and thermal and electrical insulating qualities. Typical uses for this material include labware and many consumer glass products such as coffee pots.

PropertiesUnitsTestValue
Physical
Chemical Formula--borosilicate glass
Density, rg/cm3ASTM C202.23
Color--white/ transparent
Crystal Structure--random
Water Absorption% @R.T.ASTM C3730.0
HardnessMoh's--
Hardnessknoop (kg/mm2)Knoop 100g418
Mechanical
Compressive StrengthMPa @ R.T.ASTM C773N/A
Tensile StrengthMPa @ R.T.ACMA Test #4N/A
Modulus of Elasticity
(Young's Mod.)
GPaASTM C84864
Flexural Strength (MOR)MPa @ R.T.ASTM F41769
Poisson's Ratio, u-ASTM C8180.20
Fracture Toughness, KIcMPa x m1/2Notched Beam Test0.77
Thermal
Max. Use Temperature
(* denotes inert atm.)
ºCNo load cond.490
Thermal Shock ResistanceDT (ºC)Quenching100
Thermal ConductivityW/m-K @ R.T.ASTM C4081.1
Coefficient of Linear Thermal Expansion, almm/m-ºC (~25ºC through ±1000ºC)ASTM C3723.25 (through 300ºC)
Specific Heat, cpcal/g-ºC @ R.T.ASTM C3510.18
Electrical
Dielectric Constant1MHz @ R.T.ASTM D1504.6
Dielectric StrengthkV/mmASTM D1160.5
Electrical ResistivityWcm @ R.T.ASTM D18298 x 1010
*Although we have no reason to doubt the accuracy of the data presented, Ferro-Ceramic Grinding Inc. offers this information for comparison only, and disclaims any and all liability from error, omissions or inaccuracies, such that it does not constitute a warranty or representation for which we shall assume legal responsibility.
 

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781.245.1833

sales@ferroceramic.com

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Ferro-Ceramic Grinding Inc.
5 Cornell Place
Wilmington, MA 01887

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