Pyrotek Pyrite N-17 Refractory Board

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Pyrotek Pyrite N-17 Refractory Board
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	Pyrotek N-17 is a graphite fiber reinforced, high purity, calcium silicate board developed exclusively for the non-ferrous casting industry. The patented formulation of Pyrotek N-17 makes it good in strength, low shrinkage and resistance to thermal shock. Our machine shops are equipped with CNC tooling equipment to produce complex components to customer specifications. Applications Transition plates Continuous caster tips Baffle plates Trough liners Floats Machined spouts Head boxes Advantages Asbestos-free Low thermal conductivity Resistant to thermal shock Non-wetting Good machining characteristics Information provided by Pyrotek.
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Physical Properties	Original Value	Comments

Density	0.801 g/cc
Loss On Ignition	<= 8.0 %

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.00800 GPa
Compressive Strength	16.0 MPa

Thermal Properties	Original Value	Comments
CTE, linear	7.00 µm/m-°C @Temperature 20.0 °C
Thermal Conductivity	0.103 W/m-K @Temperature 100 °C
	0.114 W/m-K @Temperature 200 °C
	0.124 W/m-K @Temperature 300 °C
	0.133 W/m-K @Temperature 400 °C
Maximum Service Temperature, Air	850 °C	Continuous
Shrinkage	0.35 % @Temperature 1000 °C, Time 86400 sec	Linear
	2.4 % @Temperature 1000 °C, Time 86400 sec	Thickness

Descriptive Properties
Screw Grip (Pull) Penetration Depth	110 kg	19 mm
	115 kg	22 mm

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CPYRO039 / 1801

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