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Pemco Frit Pb-1B20

Alternate Names: Frit Pb1B20

Oxide Analysis Formula
PbO 50.00% 1.00
Al2O3 20.00% 0.88
SiO2 30.00% 2.23
Oxide Weight 446.40
Formula Weight 446.40

Notes

Relatively high melting point and low coefficient of expansion. Tends to devitrify.

Related Information

Links

Materials Frit
Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
Typecodes Frit

Data

Co-efficient of Linear Expansion4.70
Co-efficient of Linear Expansion4.7 x 10-6 (50-450C)
Frit Softening Point1850F
Frit Melting Range (C)1800-2050F

By Tony Hansen


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