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LD shape(single spiral) silicon carbide heating element
 
The hot zone of LD shape silicon carbide heating element is made by special materials,the density of hot zone can be 2.8g/cm3,the maximum using temperature is 1650° C,very long working life,two end of the wire,can be exchanged with GD/HGD.

 

Type: LD Outer diameter:OD

Hot zone length:HZ

Cold zone length:CZ

Overall Length:OL

Order example:

LD type,OD=25mm HZ=300mm CZ=200mm OL=500 resistance:1.3ohm 

Specity as:

LD 25/300/500/1.3ohm

 

diameter

nominal loading(at 1050℃)

(mm)

hot zone

cold zone

 

Ω/mm

W/mm

Ω/mm

W/mm

14.0

0.02567

6.59

0.00450

0.30

16.0

0.02094

7.54

0.00387

0.50

18.0

0.01948

8.43

0.00312

0.55

20.0

0.01677

9.42

0.00291

0.60

25.0

0.01365

11.78

0.00174

0.93

30.0

0.01020

14.13

0.00120

0.95

35.0

0.00669

16.49

0.00096

0.98

40.0

0.00624

18.84

0.00072

1.00

45.0

0.00546

20.91

0.00066

1.02

Note:Resistance tolerance: 20%

 

 

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