ALFISO ISOTEK TWSITED ROPE
GENERAL INFORMATION
ISOTEK Twisted rope is fabricated from ceramic fiber yarn twisted left hand/right hand together to form a rope of specified diameters ranging from 3 mm to 50 mm, with glass filament, stainless steel wire or high temperature alloy wire inserted to provide high strength at elevated temperatures.
ISOTEK Twisted rope contains approximately 18% organic fiber which burns out at high temperatures, causing some smoking and outgassing, but the rope retains enough strength to be used at high temperatures. ISOTEK Twisted rope is also available overbraided with wire as gasket and seals for furnace door.
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°K at 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 448-560 kg/m³
500-620 kg/m³
Color
White
White
TYPICAL APPLICATIONS
Asbestos cord, rope 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
Wick for oil burning apparatus
ADVANTAGES
Flexibility
Asbestos free
High tensile strength
Low thermal conductivity
Thermal shock resistance
High temperature stability
Good dielectric strength
Corrosion resistance
AVAILABILITY
Diameter:3 - 50mm (1/8" to 2")
Custom sizes available upon request.
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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