Alumina Crucible

Product Detail

Alumina crucible
High purity alumina products can withstand very high temperature under reducing, inert or high vacuum condition. They remain good chemical resistance under high temperature, and have excellent wear and abrasion resistance. Alumina products can withstand up to 1800?.

Feature
?  Alumina purity: 99.6%
?  Color: Lvory
?  Sintering temperature: 1810?
?  Max. working temperature: 1800? 
?  Sag Temp. Unsupported Tube: 1600?  
?  Delivery time: 3-5 days

Chemical Composition (%)	Al2O3	>99.6
	SiO2	<0.1
	Fe2O3	<0.05
	R2O	<0.1




Standard size:


Alumina crucible

Capacity (ml)	Specification (mm)	Capacity (ml)	Specification (mm)
5	Dia20x25x2	250	Dia65x80x3
10	Dia29x33x2.5	280	Dia65x105x3
20	Dia34x38x2.5	300	Dia85x60x3
30	Dia38x44x2.5	320	Dia70x100x3
40	Dia42x45x2.5	400	Dia90x90x4
50	Dia45x48x2.5	450	Dia80x115x3.5
60	Dia47x47x2.5	600	Dia85x130x3.5
70	Dia50x55x2.5	750	Dia91x140x3.5
80	Dia50x56x2.5	800	Dia95x135x4
100	Dia52x60x2.5	900	Dia95x160x5
120	Dia45x120x2.5	950	Dia100x150x4
130	Dia57x66x2.5	1200	Dia120x120x5
150	Dia50x100x2.5	1250	Dia100x200x5
170	Dia50x120x2.5	2000	Dia120x260x5
		2500	Dia155x150x5mm

Alumina Boat (semi-circle type or rectangle type )

Capacity (ml)	Specification (mm)
15	70x20x15mm
20	65x30x17mm
20	100x12x15mm
150	120x60x25mm
200	100x100x27mm

Other size can be produced according to customer' s requirement.

Note: Alumina products are sensitive to thermal shock. Try to warm up the furnace chamber slowly. A heating rate between 150 ?~300 ?/hour is recommended for the first 1-1.5hours, so that the alumina products can be evenly heated to reduce the impact of thermal shock.