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Alumina ceramic

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Alumina ceramic sheets with High volume resistivity wear resistance technical alumina sheets

Brand：Mingrui Ceramic
Material：Alumina ceramic
Precision：0.001mm
Features：Heat resistance High purity
Color：White Blue Ivory Black etc.
Customized：YES OEM

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Al2O3 Alumina High Purity Ceramic Parts Manufacturer

Alumina Ceramic Sheets With High Volume Resistivity Wear Resistance Technical Alumina Sheets

Us offers a variety range of >90% alumina materials of alumina sheet are often found in our hard wearing products used within the medical, security & defence and industrial applications.

Some parts of us machinable cases specifications:

Length (inch)	Thickness (inch)	Width (inch)
0.75	0.165	0.63
0.875	0.187	0.227
0.975	0.2	0.312
1	0.39	0.25
1	0.177	0.75
1	0.5	0.75
1.17	0.23	0.355
1.875	0.187	0.875
1.875	0.387	0.875
1.875	0.387	0.875
2.95	0.5	0.95
3	0.125	2
6	0.25	4
6	0.5	4

Cermaic sheet can be machinable for industry applications

High purity alumina ceramics:
99.99% Alumina ceramic; 99.9% Alumina ceramic

Ordinary alumina ceramics:
99.7% Alumina ceramic,99.5% Alumina ceramic,99% Alumina ceramic,97% Alumina ceramic,96% Alumina ceramic,95% Alumina ceramic.

Excellent ceramics properties :
High-temperature stability; Corrosion-resistance;Lightweight, Mechanical;Low thermal expansion; Excellent thermal, High reliability;Dimensional stability;High thermal conductivity...

Ceramic Precision Process:
Raw materials-Molding process - Sintering - Machining & Grinding - Quality Inspector

Precision of manufacture
Dimensional accuracy	Up to 0.001mm
Smoothness	Highest possible mirror
Concentricity	Up to 0.003mm
Parallelism	Up to 0.002mm
The inner hole tolerance	The minimum 0.005mm
Straight flute	The narrowest 0.1x100mm
The thickness of the size	Minimum to 0.02mm
The screw thread	Minimum internal thread M2
Cylindricity	Up to 0.004mm
The linear tolerance	Up to 0.001mm
The smallest aperture	The minimum 0.07mm
Precision process	CNC maching,grinding,lapping
Surface finish	Glazed,polishing or metallized
Visual quality: 1. No cracks, no dark dots, no contamination and sharp edges; 2. Evenly distributed glaze with very smooth surface

Alumina Ceramic Parameter:

Properties	Unit	Alumina (AL2O3)
Properties	Unit	AL2O3≥95	AL2O3≥99	AL2O3≥99.5	AL2O3≥99.8
Volumetric density	g/cm3	3.7	3.80-3.85	3.85	3.9
Hardness	HRA≥	86	88	88	88
Flexural Strength	Mpa≥	300	350	400	400
Maximum temperature	℃	1500	1500	1500	1500
Line expansion coefficient	×10-6/℃	7.5	8.2	8.2	8.2
Dielectric constant	εr(20℃,1MHz)	9	9.2	9.2	9.2
Media loss	tanδ×10-4,1MHz	3	2	2	2
Volumetric resistivity	Ω·cm(20℃)	1013	1014	1014	1014
Breakdown strength	KV/mm,DC≥	20	20	20	20
Acidic resistance	mg/cm2≤	0.7	0.7	0.7	0.7
Alkaline resistance	mg/cm2≤	0.2	0.1	0.1	0.1
Abrasion resistance	g/cm2≤	0.2	0.1	0.1	0.1
Compressive strength	Mpa≥	2500	2500	2500	2800
Flexural Strength	Mpa≥	200	350	350	350
Elastic modulus	Gpa	300	350	350	350
Poisson-Pine ratio		0.2	0.22	0.22	0.22
Thermalcoefficient	W/m·K(20℃)	20	25	25	25

Customization & Machining Service：
As a professional manufacturer of industrial ceramic components.We can custom the sepcial specifications of alumina ceramic sheets or other ceramic parts.High quality,Factory price, on-time delivery, High composition of ceramics

For more information about ceramics parts,please contact our engineers in time >>>

Al2O3 Alumina High Purity Ceramic Parts Manufacturer

Alumina Ceramic Sheets With High Volume Resistivity Wear Resistance Technical Alumina Sheets

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