STA-graphite crucible / grapite products factory / all size specification

Specifications

graphite crucible:
1.Good thermal conductivity.
2.High temperature resistance.
3.Small thermal expansion coefficient.

 

                                                         STA silicon carbide crucible

 

 

 

The crucible is suitable for melting such metals as copper, gold ,silver, zinc, aluminium , lead .etc. Also represents capacity of molten copper in kiln. 

 

Characteristic Of Products
High-temperature resistance, anti-oxidation, corrosion resisting, abrasion resistance, good conductivity and thermal efficiency. Mainly used in the various powder sintering and metal smelting in the fields of metallurgy, chemical industry and glass, and used as the dewatering and various grinding elements in paper making industry, which are broadly applied and are ideal ceramic substitutes.

 

65-85% Content:

Item	S65	S75	S85
SiC	65%	75%	85%
Fe2O3	1.5	1.2	1
Refractoriness	≥1790°C	≥1790°C	≥1790°C
Softening point under load at 0.2MPa	≥1300°C	≥1400°C	≥1500°C

 

90% Content:

Chemical composition SIC		%	≥ 90
Physics Property	Max. service temperature	°C	2000
	Density	g/cm3	2.75
	Porosity	%	≤12
	2kg/ cm2 refractoriness under T2	Mpa °C	>1800
	Bending strength at room temp.	Mpa	≥45
	Bending strength at 1200°C	Mpa	≥50
	Compressive strength	Mpa	≥150
	Thermal Conductivity at 1000°C	W.(m.k)-1	≥ 12