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Pemco Frit Pb-1M90

Alternate Names: Frit Pb1M90

Oxide Analysis Formula
CaO 3.60% 0.22
K2O 4.60% 0.17
Na2O 3.40% 0.19
PbO 27.10% 0.42
TiO2 7.70% 0.33
B2O3 9.70% 0.48
Al2O3 7.80% 0.26
SiO2 36.10% 2.08
Oxide Weight 345.71
Formula Weight 345.71

Related Information

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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 Expansion9.50
Co-efficient of Linear Expansion9.5 x 10-6 (50-450C)
Frit Softening Point1700F
Frit Melting Range (C)1650-1750F
I.F.P. (celsius)550C

By Tony Hansen


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