Alumina Ceramic Substrate – High-Purity for Electronics & Sensors

Alumina ceramic substrates offer high-purity, thermally conductive platforms for hybrid circuits, sensors, and electronic packaging applications.

Property Content	Unit	Property Index
Appearance/color	-	White
Water absorption	%	0
Volume density	g/cm3	33.70
Surface roughness	μm	0.2-0.7
Camber	(length ‰)	￡2‰
Thermal conductivity	W/m.k	324
(20℃to300℃) Thermal expansivity (300℃to800℃)	×10-6/℃	6.5~7.5
	×10-6/℃	6.5~8.0
Flexural strength	MPa	≥350
Dielectric constant (1MHz 25℃)	-	9.3~10.6
Dielectric strength	KV/mm	317
Volume resistivity	Ω.cm	31f014

1. Low prices(produce and market all by ourselves.)
2. High thermal conductivity
3. Excellent insulation
4. High hardness
5. High compressive strength
6. High accuracy
7. Good wear-resistance
8. Well resistant to high temperature
9. Non-absorbent
10.Offer different specification and dimensions according to your request
11.Free sample
12.Fast shipment

Product Specifications

Product Date 2026
Delivery cycle within 1 month
Customize Support
Price Quotation
Exit Support
OEM Quotation
Supplier Fujian Huaqing Electronic Material Technology Co.,Ltd.
Delivery Method Land transport/Ocean transport, etc.
User Manual provide
Shippable Areas Southeast Asia and Global

Procurement Recommendation

Alumina ceramic substrates: 96–99.8% Al?O?, high thermal conductivity; used in hybrid circuits, sensors, and power electronics packaging (for reference only).

Due to market conditions, product updates, and policy changes, please contact the supplier for the latest information.