U Shape Half Round Alumina Ceramic Crucible Corundum Boat for Sintering

• Application: Refractory, Structure Ceramic, Industrial Ceramic
• Type: Ceramic Parts
• Color: White, Ivory, Yellow, Pink, Cream
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: ALT009
• Density: Over 3.7g/cm3
• Shape: Square, Tubular, Oval, Rectangular, Half
• Usage: Thermocouples, Furnace, Temperature Measurement
• Certification: RoHS/Reach/Tsca
• Feature: Wear Resistance and Insulation
• Material: Alumina Ceramic
• Transport Package: Carton/Wooden Box
• Specification: customized
• Trademark: None
• Origin: China
• HS Code: 8547100000
• Package Size: 20.00cm * 18.00cm * 18.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

Introduction:
Product name: High Temperature Rectangular Ceramic Boat Alumina Crucible for Furnace
Color: white/Ivory

Size: Various/ customized

Ceramic Crucible is an important part of chemical instruments. It is a container for melting and refining metal liquids as well as solid-liquid heating and reaction. It is the basis for ensuring smooth chemical reactions.

 

 

Characteristics of Ceramic Crucible / Corundum Crucible Products
1. High purity, chemical resistance, good corrosion resistance.
2. Good temperature resistance, long-term use at 1600 degrees Celsius, short-term 1800 degrees Celsius.
3. It has good quench and heat resistance and is not easy to burst.
4. High density of grouting, high purity alumina crucible 99% corundum ceramic crucible.

 

 

 

Application of Ceramic Crucible :
1. Corundum crucible is composed of porous molten alumina, which is strong and melt-resistant.
2. Corundum crucible is suitable for melting samples with weak alkaline substances such as anhydrous Na2CO3, but not strong alkaline substances such as Na2O2, NaOH and acidic substances such as K2S2O7.
3. Corundum crucible shape: Conical Crucible, Cylindrical Crucible, Rectangled Crucible
4. Specification of corundum crucible: 5ml ~ 1000ml.

 

 

Product Parameters

Material Comparison Chart

https://fistceramics.en.made-in-china.com/contact-info.html
Material		Alumina				Zirconia	Recrystallization Silicon carbide	Silicon Nitride bonded Silicon Carbide
Properties	Units	AL997	AL995	AL99	AL95	Zro2	RSiC	NSiC
%Alumina	--	99.70%	99.50%	99.00%	95%	--	--	--
Color	--	lvory	lvory	lvory	lvory&White	lvory White	black	gray
Permeability	--	Gas-tight	Gas-tight	Gas-tight	Gas-tight	Gas-tight	--	--
Density	g/cm³	3.94	3.9	3.8	3.75	5.89	2.7	2.8
Straightness	--	1‰	1‰	1‰	1‰	1‰	1‰	1‰
Hardness	Mohs Scale	9	9	9	8.8	8.5	9.5	9
Water Absorption	--	≤0.2	≤0.2	≤0.2	≤0.2	0	0	0
Flexural Strength (Typical 20ºC)	Mpa	375	370	340	304	1200	90	180
Compressive Strength (Typical 20ºC)	Mpa	2300	2300	2210	1910	5700	600	650
Coefficient of Thermal Expansion (25ºC to 800ºC)	10^-6/ºC	7.6	7.6	7.6	7.6	10	4.7	5
Dielectric Strength (5mm Thickness)	AC-kv/mm	10	10	10	10	--	--	--
Dielectric Loss 25ºC@1MHz	--	<0.0001	<0.0001	0.0006	0.0004	0.001	--	--
Dielectric Constant	25ºC@1MHz	9.8	9.7	9.5	9.2	29	--	--
Volume Resistivity (20ºC) (300ºC)	Ω·cm³	>10^14 2*10^12	>10^14 2*10^12	>10^14 4*10^11	>10^14 2*10^11	>10^13 5*10^8	--	--
Long-term operating temperature	ºC	1700	1650	1600	1400	2200	1650	1450
Thermal Conductivity (25ºC)	W/m·K	35	35	34	20	3	23	15

Production Flow

Certifications

 

Company Profile

Jiangsu Fist Special Ceramic Co., Ltd is located in Jiangsu Province, established in 2016. The transportation is very convenient for express, airport and any port in Yangtze River Delta. We near Shanghai, only two hours drive.

Superior geographical location and mature industrial chain of ceramic, we are a manufacturer specialized in developing, producing and selling ceramic materials and products which meet the market demand. We can provide professional OEM & ODM service. Our main products are alumina ceramic, zirconia ceramic, steatite ceramic, cordierite ceramic, mullite ceramic, electronic ceramic, industrial ceramic, daily ceramics, etc. With good quality, reasonable prices and stylish designs, our products are extensively used in machinery, textiles, electronics, automotive, plumbing, seal, humidification, new light source, household appliances, electric heating, solar power and other industries. Good quality and experience service win many customers including domestic and foreign. We warmly welcome new and old customers from all walks of life in the whole world to contact us for future business relationships to achieve mutual success!

Contact Us

FAQ

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-30 days if the goods are not in stock or customeriziation, it is according to quantity.
Q: How about the payment terms?
A: T/T or L/C are okay. We can negotiate.
Q: How can you get quotation?
A: Please kindly send me your drawing with technical requirement and demand quantity.
If you don't have the drawing,please kindly courier samples to us.We will quote our best price as soon as possible.

Q: How about the shipping&package?

A: The package usually includes bubble wrap, carton, pallent, wooden case, etc. The shipping mode includes express, air and sea transportation. Both we can negotiate and choose the best way.