Catalog

$50 minimum order requirement
Packaging: One pound plastic jars
Availability: Immediate from stock
Unit of Measure

Specifications

Sizes

N/A 5 mm

Estimated Pieces per lb.

N/A 3000

Packaging

N/A One Pound Plastic Jars

Material

N/A Solid Borosilicate

Manufacturing Process

N/A Rods, Blown and Pressed

Linear Expansion Coefficient

N/A (10-6 K-1 ) 3.3±0.1

Transformation-Temperature

N/A 530 ºC

Viscosity (Poise)

Low Degree of Cooling

N/A 510 ºC

High Degree of Cooling

N/A 568 ºC

Softening Point

N/A 815 ºC

Processing Temperature

N/A 1264 ºC

Density

N/A 2.23 g/cm³

Temperature-Change-Constant

N/A 250 ºC

Module of Elasticity

N/A 6.3 E-10-5 kp/cm²

Heat Conduction at 20ºC

N/A 1.00 kcal/mh grd

Electric Properties

Temperature for 0-108 Ohm-cm

N/A 248 ºC

Specific Electric Resistance

N/A Constant of Equation -1.44 A+ B/T Absolute Temperature 4.91º K-B-103

Dielectric Constant at 1 MHz and 25ºC

N/A 4.6

Dielectric Loss Angle at 1 MHz and 25 ºC

N/A 55

Point of Refraction

N/A 1.473 n d

Chemical Properties

Resistance to Water

N/A 0.026

Resistance to Water, Figured as Equivalent

N/A 0.008

Hydrolitical Class

Hydrolitical Class

N/A 1

Resistance to Acid

N/A 0.35

Acidity Class

Acidity Class

N/A 1

Resistance to Alkaline

N/A 134

Alkaline Class

Alkaline Class

N/A 2

Diameter & Sphericity Variation

Diameter & Sphericity Variation

N/A Maximum ±10% of Glass Ball Diameter