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Pemco Frit P-1855

Alternate Names: Frit 1855, Frit P1855

Description: Very low expansion borosilicate glass

Oxide Analysis Formula Tolerance
CaO 0.10% 0.04
K2O 1.50% 0.34
Li2O 0.30% 0.21
MgO 0.10% 0.05
Na2O 0.30% 0.10
ZnO 1.00% 0.26
B2O3 26.20% 7.95
Al2O3 0.90% 0.19
SiO2 69.60% 24.44
Oxide Weight 2,110.67
Formula Weight 2,110.67

Related Information

Links

Materials Frit
Frits are made by melting mixes of raw materials, quenching the melt in water, grinding the pebbles into a powder. Frits have chemistries raw materials cannot.
Typecodes Frit
A frit is the powdered form a man-made glass. Frits are premelted, then ground to a glass. They have tightly controlled chemistries, they are available for glazes of all types.

Data

Co-efficient of Linear Expansion 4.10 (50-450C)
Frit Melting Range (C) 1430-1700F
I.F.P. (celsius) 562C
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