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GL0179P/-38

  • $35.00


Borosilicate Powder Frit, -38 micron. (38 micron and below), -400 mesh.

 Packaged in 20 lb box.

Appearance
Solid clear borosilicate glass frit with white color in powder form.

Chemical Composition (by weight)
Silica (SiO2) .................................. 70~85%
Boron oxide (B2O3) ...................... 10~15%
Sodium oxide (Na2O) ................... 5~10%
Aluminum oxide (Al2O3) ............... 2~5%

Physical Properties
Specific Gravity ............................. 2.2 (g/ cm3)
Bulk Density of Dry Beads….......... 1.2 g per cm3 (71 lbs/ft3)
pH in water @ 25oC ...................... 7.0
Softening Temperature ................... 830°C
Index of Refraction ........................ 1.47-1.48(nD)
Coefficient of Thermal Expansion... 32 x 10-7/°C (30-300º C)
Crush Strength (90% Survival)……. 27,210 psi using Carver Hydraulic Press

 

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