ALFISO ISOTEK SQUARE BRAID
GENERAL INFORMATION
ISOTEK Square braid is dense, resilient, high performance ceramic fiber material plaited from E-glass, stainless steel wire or high temperature alloy wire inserted ceramic fiber yarn to form a packing in square section. It is widely used for a broad variety of high temperature gasketing, packing and sealing application, especially when a material of even higher density and greater resilience than rope is required.
ISOTEK Square braid contains approximately 18% organic fiber which burns out at high temperatures, causing some smoking and outgassing, but has no effect on the properties of the products.
PROPERTIES
Products
ISOTEK 1260
ISOTEK 1430
Max. Temp. Rating
1260°C
1430°C
Melting Point
1760°C
1740°C
Temperature Limit of insert
Glass: 650°C
Steel: 1100°CAlloy Wire: 1300°C
Ceramic Fiber Composition
Al2O3
SiO2
ZrO2
46%
53%
28-32%
52-56%
14-18%Diameter of Ceramic Fiber
3-4 micron
3-4 micron
Thermal Conductivity
<0.18 W/m°Kat 1000°C
<0.18 W/m°K at 1000°C
Shrinkage (24hr)
3% at 1150°C
3% at 1350°C
Loss on Ignition
18%
18%
Electrical
Glass: Non-Conductive
Steel: ConductiveAlloy Wire: Conductive
Density
500-800kg/m3
600-900kg/m3
Color
White
White
TYPICAL APPLICATIONS
Asbestos packing replacement
Fireproof wrap and insulation
Radiant tube packing for heat-treat furnaces
Seals for stoves and ovens
Expansion joint packing
Bulb in tadpole gaskets
Gaskets and seals
ADVANTAGES
Flexibility
Asbestos free
High strength
Low thermal conductivity
Thermal shock resistance
High temperature stability
Good dielectric strength
Corrosion resistance
AVAILABILITY
Diameter: 6 - 50mm
Packing in rectangular section available up request.
Custom sizes available upon request.
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Data are base on average test results conducted under standard procedures and are subject to variation on individual test. This information is for illustrative purposes only and is not intended to create any contractual obligation. For additional information of product performance or to identify the recommended product for your application, please contact ALFISO.
TANGSHAN ALFISO REFRACTORY FIBER CO., LTD.
Lutai Economic-Technological Development Area, Ninghe, Tianjin, China 301505
Tel:+86-22-69386101/02 Fax:69386100 eMail: info@alfiso.com
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