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Foam glass

With its focus on recycling glass and turning it into insulation, the foam glass industry is already on the right path. Still, CO2 emissions are prominent because of the common use of gas burners which offers poor thermal efficiency at around 30 percent – compared to 90 percent thermal

Finding the right heating solution for glass tempering furnaces

For glass tempering furnaces, temperature control over different heating zones is crucial, and Kanthal can deliver solutions for precise heat and reliability.

Kanthal and Rath announce strategic partnership to expand sustainable industrial heating technology offerings

Kanthal and Rath announces the signing of a strategic partnership to expand sustainable heating offerings in the market.

Miscellaneous conversion factors

Miscellaneous conversion factors To convert from To Multiply by BTU Kilo-calorie 0.25200 BTU Foot-pound 778.17 BTU Joules 1054.0 BTU Kilowatt-hour 0.00029307 Calorie Joule 4.1840 Centigrade Fahrenheit (1.8 x °C) + 32 Circular mil Square centimeter 0.000005067 Circular mil Square inch

Symbols, formulas and definitions

List of symbols     Unit for calculations Symbol Meaning Metric Imperial Ac Surface area of heating conductor cm2 in2 b Width (ribbon or strip) mm in Ct Temperature factor (ratio of resistivity at operating temperature to resistivity at room temperature)     d Wire diameter mm

Terminals (resistance and weight data)

Kanthal® A-1 and Kanthal® APM Dimension, mm Resistance, Ω/m Weight, g/m 8 0.0288 357 10 0.0185 558 12 0.0128 803 16 0.0072 1428 20 (Kanthal® APM only) 0.0046 2231 30 (Kanthal® A-1 only) 0.0021 5019 39 (Kanthal® APM only) 0.0012 8922 Kanthal® D Dimension, mm Resistance,

Strip

Content: Kanthal® A-1 Kanthal® AF Kanthal® APM Kanthal® APMT Kanthal® D Nikrothal® 80 Nikrothal® 70 Niktrothal® 60 Nikrothal® 40 Kanthal® A-1 Resistivity 1.45 Ω mm2/m Density 7.1 g/cm3 To obtain resistivity at working temperature, multiply by factor

Ribbon

Content: Kanthal® A, Kanthal® AF and Kanthal® AE Kanthal® D Alkrothal® Nikrothal® 80, Nikrothal® 60 and Nikrothal® 40 Cuprothal® 49 Kanthal® A, Kanthal® AF and Kanthal® AE Ribbon dimensions and properties Resistivity 1.39 Ω mm2/m (836 Ω/cmf).

Wire

Content: Kanthal® A-1 Kanthal® AF Kantal® APM Kanthal® APMT Kanthal® D Nikrothal® 80 Nikrothal® 70 Nikrothal® 60 Nikrothal® 40 Kanthal® A-1 Resistivity 1.45 Ω mm2/m Density 7.10 g /cm3 To obtain resistivity at working temperature, multiply by factor

Product varieties

Rod Wire Strip Ribbon Welded tubes Extruded tubes Straightened wire Kanthal® APM • • • • • Kanthal® A-1 • • • • Kanthal® A • • • Kanthal® D • • • • • Kanthal® DT • • • • • Kanthal® AF • • • • • Kanthal® AE • • • Alkrothal® • • • • • Nikrothal® 80 • •