High Purity 98% Sic Silicon Carbide Crucible Saggers 50kg 500kg Graphite Crucible for Smelting

Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum Foundry Clay Graphite Cr

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Basic Info

Model NO.	graphite crucible
Ash	0.2% Max
Electric Reistivity	4.8
Needle Coke Content	50%-100%
Transport Package	1 or 2 PC Wooden Case
Specification	350mm, 450mm, 610mm, 700mm.
Trademark	JLX
Origin	Hebei Province, China
HS Code	8545110000
Production Capacity	10000ton/Year

Product Description

Graphite Crucibles Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum

Foundry Clay Graphite Crucibles of advantage

1.High thermal conductivity: excellent thermal conductivity greatly improve its heat time.
2.Long working lifetime: its working lifetime is increased 3-5 times over normal clay-crucible due to the compact body formed under high pressure.

3.Resistance to high temperature:resistance to 1200C~1600C
4.Resistance to corrosion
5.Resistance to oxidation: graphite is easy to be oxidized when in high temperature enviroment, advanced process dramatically improves its oxidation resistance, less oxidation
6.High-strength: high-density body and logical structure make the product better compression property.
7.Eco-friendly: energy-efficient and pollution-free, not only ensure metal product purity, but also ensure sustainable development on environment.

we can customized products accrding to you ,you need to send me drawing or tell me the size.

how to choose a graphite crucible you need

1,about size of graphite crucible
you can tell me size of products or send me drawings of prodcuts,then we customized according to you .

here is some normal graphite crucible dimension

grade	upper diameter (mm)	bottom diameter (mm)	height (mm)
2	90	50	55
3	105	82	93
4	102	80	100
5	112	82	130
6	120	82	141
8	138	90	153
12	148	100	181
16	156	110	190
20	180	120	230
25	186	128	248
30	205	146	265
40	245	170	290
50	260	190	318
60	270	208	320
70	273	175	360

2,choose graphite material

1. High purity graphite crucible, which is machined from high purity graphite blocks. it is widely used in melting of glass, rare earth,precious metals etc.
2. Graphite clay crucible.This kind of graphite crucible is pressed by crystal graphite and clay.
3. Graphite SiC crucible. This kind of crucible is isostatic pressed by crystal graphite and Silicon carbide.
The second one and third one crucibles are mostly used in melting iron, steel, copper, aluminum

Bulk Density	g/cm3	1.60-1.85
Specific Resistance	μΩ.m	6.0-15.0
Compressive Strength	MPa	30-85
Bending Strength	MPa	20-45
Shore hardness		30-75
C.T.E.	x10-6 /°C	2.5-5.5
ash	%	0.005-0.2

Material Specifications:

Item	Unit	ZBCB-11	ZBCB-13	ZBCB-15	ZBCB-15A
Grain Size	mm	≤0.8	≤0.043	-	-
Bulk Density	g/cm3	1.72-1.76	1.68-1.85	1.80-1.85	≥1.92
Electrical Resistance	μΩ-m	9.0-9.5	13-14	≤15	≤10
Compressive Strength	MPa	32.0-40.0	50-65	≥85	≥135
Bending Strength	MPa	14.5	25-45	≥40	≥64
C.T.E.(to 100ºC)	x10-6/C	2.4-2.9	2.1-2.5	4.0-5.2	5.5
Ash	%	0.2-0.3	0.05-0.15	≤0.03	≤0.03

3. Pictures of clay graphite crucible:

High Purity 98% Sic Silicon Carbide Crucible Saggers 50kg 500kg Graphite Crucible for Smelting

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