High Purity Sic Heating Element for Sintering Furnaces

• Customization: Available
• Certification: CCC, ISO9001, CE
• Type: Sic Heating Elements
• Model NO.: Vsmile-sic heating elements
• Material: Diamond Stone
• Form: Spiral Heating Element
• Shape: Tubular
• Selling Units: Single Item
• Usage: Dental Lab
• Warranty: 5years
• Single Gross Weight: 4.000kg
• Power Source: Machinery
• Quality Certification: CE,ISO
• Dimension(L*W*H): Cutomer′s Request
• After-Sale Service: Online Technical Support
• Compatible System: Nabertherm/Amann Girrbach
• Working Temperature: 1500
• Safety Standard: GB/T18830-2009
• Instrument Classification: Classii
• Product Name: Heating Elements
• Productname: Heating Elements
• Shelf Life: 5years
• Transport Package: Cardboard Box with Sponge
• Specification: 4KG/PCS
• Trademark: Vsmile happy zir
• Origin: Hunan, China
• HS Code: 8516800000
• Production Capacity: 10000 Piece/Pieces Per Month

Product Description

Sic Heating Element

Name	Si2 Heating
Shape	Rod type
Used temperature	Up to 1625C
Production process	Made into blank, silicided under high temperature and re-crystallized.
specific gravity	2.6~2.8g/cm³	bend strength	>300kg
hardness	>9 MOH′S	Tensile strength	>150kg/cm³
porosity  rate	<30%	Radiancy	0.85

Application

 

Widely used in research and production of glass, ceramic, refractory, metallurgy, steel-making, crystal, electronic parts,

semiconductor material.

 

Features

* Selecting high purity green SiC powder, to ensure the best foundation for top quality.

* SiC rod is extruded by 500T press machine, to ensure high-density uniform through the whole length.

* Excellent resistance rate between heat zone and cold zone, to avoid over-temperature of cold zone to damage the furnace body.

* Special technology to spread a protect film on the surface of the heating zone, which enhances the Antioxidant property
evidently and lengthens the service life.

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FAQ

MoSi2 Heating Elements Require Special Care
If your furnace uses Molybdenum Silicide, it forms ceramic quartz on the outer surface of the restoration that interacts with green state colorants. Over time, the melting point of this quartz becomes lower than the top temperature of the sintering cycle and this creates pollution in the furnace chamber. As a result, these pollutants can cause greening or darkening of the restorations. In order to prevent this you should always use a covered crucible. This will reduce the likelihood of chamber pollution getting into the restoration.
 

Quartz Pollutes
The quartz pollution can have an effect on the thermocouple over time, about 6 to 12 months. The thermocouple will send lower temperature readings to the control panel resulting in firing temperatures of up to 100° higher than programmed.
 

Watch the Temp Throughout
From room temperature to 900°C, there is little effect on the restorations. The ramp rate from 900° to top temp, from top temp to hold time, consistency of temp through the hold, and then rate of cool back to about 900° are all critical.
 

Make Sure Colorants are Dry
Not adequately drying colorants added to green state colored zirconia prior to sintering will shorten MoSi2 heating element and add to the pollution problem in sintering furnaces.

For best results, you should always follow manufacturer's instructions when sintering zirconia.