Array ( [status] => 200 [status_message] => Material item [data] => Array ( [material_id] => 2669 [moddate] => 2008-06-15 21:02:05 [name] => Hommel Frit 440 [keywords] => Sodium borate zirconium frit (1% lead) [metadescrip] => [chem_formula] => [casnumber] => 65997-18-4 [searchkey] => [unity] => [ratio] => [ord] => [minedat] => [analysis] => Array ( [K2O] => 0.65 [Na2O] => 7.23 [CaO] => 1.71 [MgO] => 0.09 [PbO] => 1.06 [Al2O3] => 6.72 [B2O3] => 15.87 [SiO2] => 55.69 [ZrO2] => 10.93 ) [weight] => 620.89710353224 [formulaweight] => 620.89710353224 [LOI] => 0 [formula] => Array ( [K2O] => 0.04 [Na2O] => 0.72 [CaO] => 0.19 [MgO] => 0.01 [PbO] => 0.03 [Al2O3] => 0.41 [B2O3] => 1.42 [SiO2] => 5.76 [ZrO2] => 0.55 ) [data] => Array ( [3977] => Array ( [label] => Co-efficient of Linear Expansion [value] => 6.5 x 10-6 [abbr] => COLE [test_id] => 10 ) [3981] => Array ( [label] => Frit Softening Point [value] => 1580F [abbr] => GSPT [test_id] => 14 ) ) [links] => Array ( [typecode] => Array ( [0] => Array ( [link] => typecode/FRL [descrip] => Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out. [label] => Leaded Frit [ord] => 0 ) [1] => Array ( [link] => typecode/FRT [descrip] => 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. [label] => Frit [ord] => 0 ) ) ) ) ) Hommel Frit 440
Monthly Tech-Tip from Tony Hansen SignUp

No tracking! No ads!

1-9 | A | B | C | D | E | F | Frits | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Hommel Frit 440

Description: Sodium borate zirconium frit (1% lead)

Oxide Analysis Formula
K2O 0.65% 0.04
Na2O 7.23% 0.72
CaO 1.71% 0.19
MgO 0.09% 0.01
PbO 1.06% 0.03
Al2O3 6.72% 0.41
B2O3 15.87% 1.42
SiO2 55.69% 5.76
ZrO2 10.93% 0.55
Oxide Weight 620.90
Formula Weight 620.90

Related Information

Links

Typecodes Leaded Frit
Frits can contain 1% or 80% PbO so this category can be misleading, check the chemistry to find out.
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 6.5 x 10-6
Frit Softening Point 1580F
By Tony Hansen
Follow me on

Got a Question?

Buy me a coffee and we can talk


https://digitalfire.com, All Rights Reserved
Privacy Policy