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Heater Selection Matrix

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HEATING SOLIDS

Heater Type

Application Description

Sheath Materials

Typical Max. Watt Densities W/in2 W/cm2

Max. Operating Temperatures

°F °C

Catalog Page

Cartridge/

These heaters are inserted into a close fit hole (i.e. platens,

Alloy 800

up to 400

62.0

1400

760

11

Insertion

dies and molds).

Stainless steel

up to 400

62.0

1000

540

Heaters

Tubular Heaters

These heaters are clamped to the object to be heated, usually exterior surfaces of tanks or other process vessels or fitted into milled grooves in a platen.

Flat: Alloy 800 Stainless steel

Round: Alloy 800

Stainless steel

40

40

40

40

6.2

6.2

6.2

6.2

1400

1200

1600

1200

760

650

870

650

93

93

61

61

Flexible

These heaters are bonded or otherwise fastened to the part.

Polyimide

20

3.1

390

200

148

Heaters

Commonly used to heat irregular surfaces and shapes, or

Silicone rubber

10

1.6

500

260

117

applications requiring distributed wattage or limited space.

High-

MULTICELL™ heaters are loosely inserted into the platen

Alloy 600

60

9.3

2100

1150

425

Temperature

hole for radiant heating. Can also be used in any static or

Alloy 800

60

9.3

2100

1150

Heaters

dynamic non-contact application as a radiant heat source.

Commonly used for extreme high temperature applications.

Ceramic fiber heaters can be formed into an oversized

chamber to surround the object being heated. Using radiant and convection heat transfer, ceramic fiber heaters are used in ovens and furnaces.

Molded ceramic fiber

30

4.6

2200

1205

433

Specialty Heaters

ULTRAMIC® advanced ceramic heaters are bonded or clamped to the object being heated.

Aluminum nitride

1000

155

1112

600

459

Thick film conduction heaters are clamped to the part

being heated.

Dielectric glass on 430

stainless steel substrate

75

11.6

1022

550

463

Coil/Cable heaters can be formed to heat flat or curved

surfaces, or wound around the object being heated. Typical applications include platen heating and plastic injection molding nozzles.

Stainless steel or

Alloy 600

30

4.6

1200

650

467

Strip/ Clamp-On Heaters

These heaters are bolted or clamped to a surface (i.e. dies, molds, ovens). Often used for freeze and moisture protection.

Aluminized steel with refractory insulation

Stainless steel with mineral insulation

100

140

15.5

21.7

1100

1400

595

760

481

477

Band/ Barrel Heaters

These heaters are clamped to cylindrical surfaces (i.e. extrusion barrels and nozzles).

Stainless steel with mineral insulation

100

15.5

1400

760

493

Radiant Heaters

These heaters are used in any static or dynamic,

non-contact application where conduction or convection heating is not practical. Commonly used in laminating

Molded ceramic fiber Stainless steel

emitter strip

20

30

3

4.6

2000

2200

1095

1200

518

514

processes, thermoforming and paint drying.