Chosun Refractories PTF-175 Plastic Refractory

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Chosun Refractories PTF-175 Plastic Refractory
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Information provided by Chosun Refractories via Korea Institute of Ceramic Engineering and Technology (KICET).
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Mechanical Properties	Metric	English	Comments

Modulus of Rupture	3.85e-7 - 0.000981 GPa @Temperature 110 °C, Time 86400 sec	0.0000558 - 0.142 ksi @Temperature 230 °F, Time 24.0 hour
	0.002943 - 0.005886 GPa @Temperature 1350 °C, Time 10800 sec	0.4269 - 0.8537 ksi @Temperature 2460 °F, Time 3.00 hour
	0.0034335 - 0.0063765 GPa @Temperature 1500 °C, Time 10800 sec	0.49799 - 0.92485 ksi @Temperature 2730 °F, Time 3.00 hour
Compressive Strength	4.90 - 9.81 MPa @Treatment Temp. 110 °C, Time 86400 sec	711 - 1420 psi @Treatment Temp. 230 °F, Time 24.0 hour	Cold Crushing Strength
	19.6 - 29.4 MPa @Treatment Temp. 1500 °C, Time 10800 sec	2840 - 4270 psi @Treatment Temp. 2730 °F, Time 3.00 hour	Cold Crushing Strength
	24.5 - 34.3 MPa @Treatment Temp. 1350 °C, Time 10800 sec	3560 - 4980 psi @Treatment Temp. 2460 °F, Time 3.00 hour	Cold Crushing Strength

Thermal Properties	Metric	English	Comments
Thermal Conductivity	1.3725 W/m-K @Temperature 500 °C	9.5099 BTU-in/hr-ft²-°F @Temperature 932 °F
	1.5237 W/m-K @Temperature 1000 °C	10.558 BTU-in/hr-ft²-°F @Temperature 1830 °F
Maximum Service Temperature, Air	1750 °C	3180 °F	limited
Shrinkage	-0.350 % @Temperature 110 °C, Time 86400 sec	-0.350 % @Temperature 230 °F, Time 24.0 hour
	0.10 % @Temperature 1350 °C, Time 10800 sec	0.10 % @Temperature 2460 °F, Time 3.00 hour
	0.95 % @Temperature 1500 °C, Time 10800 sec	0.95 % @Temperature 2730 °F, Time 3.00 hour

Component Elements Properties	Metric	English	Comments
Al2O3	79 %	79 %
SiO2	13 %	13 %

Descriptive Properties
Main Applications	Corrosion resistance Electric arc furnace roof
Material Required for Estimating (kg/m³)	2,850

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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