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Infrared heat emitter from Dandy-Link

Milk white heat emitter

Stainless heat emitter

High infrared emitter

Medium wave heat emitter

Heating element

Tungsten alloy wire/

Carbon fiber

Ni-Cr alloy wire

Iron-nickel wire

Iron-nickel wire

Structure and sealing

Transparent quartz glass filled with

Inert gas by vacuum way

Encapsulated directly in Transparent quartz glass

Encapsulated directly in

Milk white quartz glass

Encapsulated directly in

Stainless pipe or Iron pipe

Thermal efficiency

Highest

Higher

High

Low

Temperature control

Best

Better

Good

Bad

Wavelength range

Short,Medium,Long

Medium,Long

Medium,Long

Medium,Long

Average life

Longer

Longer

Long

Short

Radiation attenuation

Less

Little

Much

Much

Thermal inertia

Smallest

Smaller

Small

Big

Temperature rise speed

Faster

Fast

Fast

Slow

Temperature tolerance

1000 Degrees C

800 Degrees C

Under 500 Degrees C

Under 600 Degrees C

Corrosion resistance

Best

(Besides hydrofluoric acid)

Better

Good

Worse

Explosion resistance

Better

(Do not burst when contact with cold water)

Better

(Do not burst when contact with cold water)

Worse

(Burst easily when contact with cold water)

Good

(Do not burst when contact with cold water)

Insulation

Better

Good

Good

Bad

Targeted heating

Yes

Yes

No

No

Mechanical strength

Good

Good

Bad

Best

Unit Price

Higher

High

Cheap

High

Overall

economic efficiency

Best

Better

Good

Bad

Picture

Above picture just for reference