BNZ Materials Zelie No. 20 Mortar

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BNZ Materials Zelie No. 20 Mortar
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	No. 20 is an air-setting mortar, gray in color, for use where extra hard air-set strength is desired. It is not recommended for laying insulating fire brick. Used up to 2700°F for setting hard brick with a rubbed joint and for washcoating hard brick. When desired to use old fire brick as a patching material or monolithic fill, No. 20 is thinned with water and the crushed brick added. Note: Coating IFB is rarely advisable. Information provided by BNZ Materials Inc.
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Physical Properties	Metric	English	Comments

Bulk Density	1.86 g/cc	0.0671 lb/in³	Dipping, 10% H2O
	1.94 g/cc	0.0700 lb/in³	As received

Mechanical Properties	Metric	English	Comments
Modulus of Rupture	0.0324 GPa	4.70 ksi	Mortar

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	1480 °C	2700 °F
Shrinkage	5.1 %	5.1 %	Permanent Linear Change at Use Limit

Component Elements Properties	Metric	English	Comments
Al2O3	5.1 %	5.1 %
Na2O	3.3 %	3.3 %
SiO2	90.8 %	90.8 %

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CBNZ958 / 149198

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