Pyrotek Insural® GP MASTIC Insulating mastic for general-purpose refractory applications

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Pyrotek Insural® GP MASTIC Insulating mastic for general-purpose refractory applications
Categories:	Ceramic; Oxide; Silicon Oxide
Material Notes:	Insural® GP Mastic is an asbestos-free, durable and insulating refractory fiber composition designed for general-purpose patching and veneering applications that are not exposed to contact with molten metals. Information provided by Pyrotek.
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Physical Properties	Original Value	Comments

Density	0.820 - 0.880 g/cc	fired density (compressed)
	1.45 - 1.55 g/cc	wet density (as supplied)
Loss On Ignition	35 - 40 %

Mechanical Properties	Original Value	Comments
Modulus of Rupture	0.00350 - 0.00400 GPa	dried 24 hours @ 120°C
	0.00280 - 0.00350 GPa @Treatment Temp. 750 °C, Time 86400 sec

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.160 W/m-K @Temperature 200 °C
	0.200 W/m-K @Temperature 400 °C
	0.240 W/m-K @Temperature 650 °C
Maximum Service Temperature, Air	1250 °C
Shrinkage	<= 1.0 % @Temperature 120 °C, Time 86400 sec
	<= 2.0 % @Temperature 750 °C, Time 86400 sec	fired 24 hours @ 750°C
	<= 2.5 % @Temperature 1000 °C, Time 86400 sec	fired 24 hours @ 1000°C

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CPYRO207 / 1924

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