96 Alumina (Al2O3) Substrates

Innovacera’s 96 Alumina (Al₂O₃) Substrates combine high density, superior thermal conductivity, and excellent dielectric strength, making them an ideal choice for electronic and energy applications. With outstanding resistance to high temperature, acid, and alkali corrosion, these substrates ensure stable performance even in demanding environments. Their precision machining and customizable sizes provide reliable solutions for thick and thin film resistors, low-power LEDs, and energy storage systems.

Technical Strength

(1) Independent formula system

(2) Various molding processes ( casting, dry pressing, isostatic pressing and other ceramic molding technologies )

(3) Precision machining of dimensions

(4) Customized services

Powder Materials Advantages

• Independent and controllable materials with stable quality
• Low impurity content and high powder purity
• Batch production of powders, more stable
• Performance parameters can be customized

Powder Material Properties Table

category	Test items	unit	75 porcelain	95 porcelain
Powder characteristics	Granulation powder particle size	μm	80~100	80~100
	Flow rate	s/50g	<80	<70
	Bulk density	g/cm 3	1.0~1.1	1.10~1.25
	Moisture content	wt%	0.1~0.5	0.1~0.5
	Loss on ignition rate	wt%	5.5~6.5	5.5~6.5
	Green body density	g/cm 3	2.0~2.2	February 20~230
	Shrinkage	%	15.0~16.0	15.0~16.0
Ceramic properties	Ceramic color	/	White	White
	Sintered density	g/cm 3	3.20~3.40	3.70~3.75
	Bending strength	MPa	230~280	350~400

 

Features

• High thermal shock resistance
• Low warpage
• High temperature resistance, good acid and alkali corrosion resistance
• Excellent processing performance

Application

• Thick film and thin film chip resistors
• Low power LED
• Gaskets for energy storage, charging piles, etc.

96 Alumina Material Properties Table

Project		Test conditions	Unit	Al 2 O 3
				A1296	A1296A	A2296	A996
Material		–	–	96%	96%	96%	100%
Appearance		–	–	White dense	White dense	White dense	White dense
Surface Roughness		Ra	μm	0.2-0.6	0.2-0.6	0.2-0.6	0.2-0.6
Density		–	g/cm 3	≥3.70	≥3.60	≥3.75	≥3.8
Physical properties	Bending strength	3 -point bending resistance	MPa	≥380	≥350	≥400	≥450
	Vickers hardness	Load 4.9	GPa	≥14	≥13	≥14	≥14
	Water absorption	–	%	0			0
Thermal performance	Thermal conductivity	25℃	W/(m·K)	≥22	≥19	≥24	≥27
	Linear thermal expansion coefficient	25℃-500℃	x10 -6 /℃	6.6~7.5			6.6~7.5
	Thermal shock resistance	800℃	time	≥10			≥10
	Specific heat	–	J/ ( kg·K )	880			780
Electrical properties	Dielectric constant	1MHz/25℃	–	9~10			9~10
	Dielectric loss	1MHz/25℃	x10 -4	≤3			≤0.5
	Volume resistivity	25℃	Ω·cm	> 10 14			> 10 14
	Breakdown voltage	–	kV/mm	> 12			> 15
Light performance	Reflectivity	Reflectivity meter	–	> 92%	> 95%	> 88%	> 90%
	Whiteness	Whiteness meter	–	> 88	> 86	> 88	–

 

Standard size:

Size(mm) Thickness(mm)	0.38	0.5	0.6	0.635	0.65	0.75	1.0	1.2	1.5	2.0
84*84	√	√	√	√	√	√	√	√	√	√
109*109	√	√	√	√	√	√	√	√	√	√
120*120	√	√	√	√	√	√	√	√	√	√
127*127	√	√	√	√	√	√	√	√	√	√
132*142		√	√	√	√	√	√	√	√	√
136*151		√	√	√	√	√	√	√	√	√
137*157		√	√	√	√	√	√	√	√	√
138*190		√	√	√	√	√	√	√	√	√
130*200		√	√	√	√	√	√	√	√	√