LyTherm 1535-LK Paper

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LyTherm 1535-LK is a lightweight refractory composite composed of an inner core of alumina-silica paper quilted with a durable textile cladding. This ceramic paper is designed for use in applications where abrasion resistance is of the utmost importance.

Features

 

·        High tensile strength

·        Low shot content

·        Protection against corrosion

·        Reduced heat loss and skulling

·        Minimal shrinkage

·        Chemical stability



Typical Applications

Testing/Engineering Services 

·        Parting plane in refractory linings

·        Combustion chamber liners

·        Backup lining for metal troughs

·        Hot top linings

·        Thermal and electrical insulation

·        Refractory backup insulation

·        Coke oven door shock absorption medium

·        Kiln car deck covering



·        Thermal imaging for performance validation

·        Thermal conductivity for material characterization

·        Thermal modeling for engineering solutions








 

 Physical Properties

Melting Point, °F (°C)

 3200 (1760)

Use Limit, °F (°C)

 2300 (1260)

LOI, %

 10

Density, lb/ft3(kg/m3 )

 10-12 (160-192)

Dielectric Strength, V/mil

 N/A

Mullen Burst, psi

 46

 Chemical Properties %

 Al2 O3

 47.00

 SiO2

 52.62

 Na2 O

 0.18

 Fe2 O3

 0.03

 Others

 0.17

 Tensile Strength lb/in (kg/25mm)

Machine Direction Tensile

 28.77 (12.84)

Cross Direction Tensile

 17.64 (7.87)

 Apparent Thermal Conductivity

Mean Temperature, °F (°C)

Thermal Conductivity BTU in/hr ft2 °F (W/mK)

 260 (500)

 0.062 (0.43)

 426 (800)

 0.082 (0.57)

 704 (1300)

 0.120 (0.83)

 870 (1600)

 0.141 (0.98)

 

Technical Data Sheet

Lydall - Lytherm 1530 Paper.pdf