Large Size High Purity 99.7% Alumina Baseboard for LCD Manufacturing Equipment

• Transport Package: Carton or Wooden Box
• Specification: size below ∅ 850mm, thickness 45mm.
• Trademark: Chemshun Ceramics
• Origin: China
• Model NO.: chemshun ceramics
• HS Code: 6909191200
• Production Capacity: 80pic / Month

Product Description

 Large Size High Purity Alumina Baseboard for LCD Manufacturing Equipment

Al2O3: 99.7~99.9% 

Application:
Chemshun Ceramics large size high purity alumina baseboard, alumina substrate have widely usage. It normal used as the baseboard /support receptors/carrier Plate Used in LCD Manufacturing Equipment, Lithography Equipment.

Features :  
High rigidity (Hardness, Mechanical Strength, Wear Resistance)
High chemical durability
AIO Large Size

Shape & Size:
Shape as Long board, long bar, square board, thin board size below 1500*600mm , such as : 1200x500x20, 1400x900x30, 500x500x45mm etc.
Customized products with various size are accepted.

 



Main Parameter : (Chemical / physical):

 

		Unit	Chemshun 99.7 Alumina Ceramics
General Properties	Al2O3 content	wt%	99.7-99.9
	Density	gm/cc	3.94-3.97
	Color	-	Ivory
	Water absorption	%	0
Mechanical Properties	Flexural Strength(MOR) 20 ºC	Mpa(psix10^3)	440-550
	Elastic Modulus 20ºC	GPa (psix10^6)	375
	Vickers Hardness	Gpa(kg/mm2) R45N	>=17
	Bending Strength	Gpa	390
	Tensile Strength 25ºC	MPa(psix10^3)	248
	Fracture Toughness (K I c)	Mpa* m^1/2	4-5
Thermal Properities	Thermal conductivity(20ºC)	W/mk	30
	Coefficient of Thermal expansion(25-1000ºC)	1x 10^-6/ºC	7.6
	Thermal Shock Resistance	ºC	200
	Maximum use temperature	ºC	1700
Electrical Properities	Dielectric Strength (1MHz)	ac-kv/mm(ac v/mil)	8.7
	Dielectric Constant(1 MHz)	25ºC	9.7
	Volume Resistivity	ohm-cm (25ºC)	>10^14
		ohm-cm (500ºC)	2x10^12
		ohm-cm (1000ºC)	2x10^7