20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element

Product Details
Type: Sic Rod
Material: Silicon Carbide
Form: Tube
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  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
  • 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
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  • Overview
  • Detailed Photos
  • Product Description
  • Application
  • Product Parameters
  • Specification
Overview

Basic Info.

Model NO.
SF001
Shape
Tube
Price
Better
Service
Super
Install
Easy
Repair
Quickly
Transport Package
Polywood Case
Specification
DIA 8 -50MM
Trademark
JIAXIN
Origin
China
HS Code
85149090
Production Capacity
100000

Packaging & Delivery

Package Size
80.00cm * 60.00cm * 40.00cm
Package Gross Weight
20.000kg

Product Description

Detailed Photos
20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element

 

20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element ED (rod) type silicon carbide rod with reliable quality
Product Description

 SiC heating element is a type of non-metal high temperature heating device. These SiC productsare made from fine quality green silicon carbide as its main raw material. The raw material is made first in to a blank, followed by high temperature silication and recrystallization, and becomes high quality stick shaped SiC electric heating devices. Compared with metal electric heating material, this type of non-metal elements is featured of high operation temperature, anti-oxidization, long service life, little deformation, easy installation and maintenance. Because of these advantages, SiC electric heating elements is widely used in various industries that require high temperature electric furnaces and heating devices.
 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
Products specification: Rod type, U type, W type (Three Phase type), Solid Rod type, Spiral type, 5 piece type (dual hot zone). Sizes are available from Dia 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, 30mm, 31.7mm (1.25inch), 35mm, 38.1mm (1.5 inch), 40mm, 44.4mm (1.75 inch) to 54mm (2.125 inch) for all types.
 20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
Application

Application of High quality ED (rod) type sic heating rod:
Silicon Carbide (SiC) heating elements can usually make use for furnace which temperature from 600-1600. 
It can be directly used in an air atmosphere, without any protection atmosphere. It is extensively used in the 
fields of metallurgy, ceramics, glass, machinery, analysis test, semiconductor, science & research and so on.

20mm Double Spiral Sic Furnace Heater Silicon Carbide Heating Element
Product Parameters

Physical Property

Specific Gravity 2.6~2.8g/cm3 Bend Strength >300kg
Hardness >9MOH'S Tensile Strength >150Kg.cm3
Porosity Rate <30% Radiancy 0.85
Chemistry Property

1.Antioxidation Property of Elements
The element start to being oxidized when heat to 800°C in air, and a SiO protect film will be generated in surface of hot zone when temperature get to 1000-1300°C ; cristobalite will be crystallized at 1300°C; the protect film get to a certain thickness when the temperature get go 1500°C which make the oxidation speed being very slowly to stable. if continue to heat to over 1627°C ,the protect film will be damaged and oxidation speed will be more rapid evidently and make the element damaged earlier.
Thought the element will be oxidized very slowly in course of application, it also will make the resistance increased following long time application, this phenonenon calls ageing , in order to lower the ageing speed, we use special technology to spread a protect film on the surface of hot zone in the course of production, which enhance the antioxidant property of element evidently and lengthen the service life.

2.The effects of alkali and alkaline metal oxide to elements.
The alkali and alkaline metal oxide will react with SiC at about 1300°C and generate silicate, which calls alkali-chemical corrosion, and can influence the glowing of element. 

3.The effects to elements from melting metal
Some metals ,such as cobalt, nickel, chrome and so on, can corrade the element in high temperature melting state and affect the service life of element.


Electric Property
SIC heating elements has rather large specific resistance , when it is heated in air and the surface temperature of the hot zone reaches 1050ºC, it's resistance rate is 600-1400 mm2/mm (square millimetre , its resistance value changes as the temperature rises. From room-temperature to 800ºC is negative value , over 800ºC is positive value nature curve. 
Specification

Ruglar size of the SiC Heating elements, special ones better with drawings:

Diameter Heating zone Cold zone Overall length Range of resistance
Length Length
8mm 100-300mm 60-200mm 240-700mm 2.1-8.6 ohms
10mm 100-300mm 60-300mm 240-900mm 0.8-7.0 ohms
12mm 100-500mm 150-350mm 400-1200mm 0.7-5.6 ohms
14mm 100-500mm 150-350mm 400-1200mm 0.7-5.6 ohms
16mm 200-600mm 150-350mm 500-1600mm 0.7-4.4 ohms
18mm 200-800mm 150-400mm 500-1600mm 0.7-5.8 ohms
20mm 200-800mm 200-600mm 600-2000mm 0.6-6.0 ohms
25mm 200-1200mm 250-700mm 700-2600mm 0.4-5.0 ohms
30mm 300-2000mm 250-800mm 800-3600mm 0.4-4.0 ohms
35mm 400-2000mm 250-800mm 900-3600mm 0.5-3.6 ohms
40mm 500-2700mm 250-800mm 1000-4300mm 0.5-3.4 ohms
45mm 500-3000mm 250-750mm 1000-4500mm 0.3-3.0 ohms
50mm 600-2500mm 300-750mm 1200-4000mm 0.3-2.5 ohms
54mm 600-2500mm 300-750mm 1200-4000mm 0.3-3.0 ohms
60mm 600-2500mm 300-750mm 1200-4000mm 0.3-3.0 ohms



 

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