Detail Information

Dielectric Strength:	15 KV/mm	Chemical Composition:	Al2O3 (Aluminum Oxide)
Color:	White Or Yellow	Electrical Insulation:	Excellent
Operating Temperature:	Up To 1700°C	Low Thermal Expansion:	Excellent
Biocompatibility:	Yes	Alumina Content:	95-99.7%
Flexural Strength:	300 To 400 MPa	Thermal Conductivity:	20 To 30 W/m·K
Machinability:	Difficult	Maximum Use Temperature:	1700c
Transparency:	Opaque	Surface Finish:	Polished
Dielectric Strength:	15 KV/mm	Chemical Composition:	Al2O3 (Aluminum Oxide)
Color:	White Or Yellow	Electrical Insulation:	Excellent
Operating Temperature:	Up To 1700°C	Low Thermal Expansion:	Excellent
Biocompatibility:	Yes	Alumina Content:	95-99.7%
Flexural Strength:	300 To 400 MPa	Thermal Conductivity:	20 To 30 W/m·K
Machinability:	Difficult	Maximum Use Temperature:	1700c
Transparency:	Opaque	Surface Finish:	Polished
Highlight:	High Voltage Alumina Ceramic Insulator , Custom Shapes Industrial Ceramic Parts

Product Description

High Voltage Alumina Ceramic Insulator Industrial Ceramic Parts

Direct From Factory Manufacturer

Alumina Ceramic Insulators
In high-voltage industrial systems, insulation failure can lead to costly downtime, safety hazards, and equipment damage. Trust components engineered for extreme electrical and environmental resilience.
Our High Voltage Alumina Ceramic Insulators are designed for industrial-grade performance, delivering:
✅ Excellent high-voltage insulation (supports up to 100kV+ applications)
✅ Superior thermal stability - withstands wide temperature ranges (-50°C to 1200°C)
✅ Corrosion & moisture resistance - ideal for harsh industrial environments
✅ High mechanical strength - durable against vibration & impact
✅ Ideal for power transmission, electrical machinery, industrial control systems, and high-voltage equipment
Customizable in various shapes, sizes, and voltage ratings to match your specific industrial needs. Ensure system safety and efficiency with our premium ceramic insulation solutions.

Application 

Mechanical Properties

			Properties

			Unit

			95%Al2O3

			99%Al2O3

			99.5%Al2O3

			Colour

			--

			White

			Yellow

			Yellow

			Density

			g/cm³

			3.7

			3.85

			3.9

			Hardness

			GPa

			13.7

			15.2

			15.7

			Compressive Strength

			MPa

			2000

			2160

			2350

			Flexural Strength

			MPa

			280

			310

			350

			Fracture Toughness

			MPa・m1/2

			3~4

			3~4

			4.5

			Modulus of Elasticity

			GPa

			320

			360

			370

			Poissons Ratio

			--

			0.23

			0.23

			0.23

Thermal Properties

			Properties

			Unit

			95%Al2O3

			99%Al2O3

			99.5%Al2O3

			Maximum Use Temperature

			℃(No load)

			1650

			1650

			1650

			Thermal Conductivity @ 20°C

			W/(m・K)

			24

			29

			32

			Thermal Expansion a at 20–400°C

			1 x 10-6/°C

			7~8

			7~8

			7~8

			Specific Heat

			J/(kg・K)

			780

			790

			780

			Thermal Shock Resistance

			℃(Put in water)

			200

			200

			200

Electrical Properties

			Properties

			Unit

			95%Al2O3

			99%Al2O3

			99.5%Al2O3

			Dielectric Constant

			1MHz

			9.4

			9.9

			9.9

			Dielectric Strength

			V/m

			15 x 10 6

			15 x 10 6

			15 x 10 6

			Dielectric Loss

			1MHz

			4 x 10 -4

			4 x 10 -4

			4 x 10 -4

			Volume Resistivity @ 25°C

			Ω・cm

			>10 14

			>10 14

			>10 14

			Volume Resistivity @ 500°C

			Ω・cm

			>10 8

			>10 8

			>10 10

Various Types of Alumina Ceramic Part

We Can Do OEM and 0BM According to Your Drawing and Requirements.

Features of alumina ceramic* Relatively low density;

* Extremely high operating temperature;

* Very high hardness and compressive strength;

* Excellent electrical insulation properties;

* Corrosion and wear resistance;

* Biologically inert, food compatibility.
Alumina Ceramic PropertiesThe following only lists the performance parameters of the three most common aluminum oxide ceramics. Normally, alumina ceramics

are composed of these types

FAQ

Q1. Do you provide product samples? Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.

Q2. What are your accepted payment methods? We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.

Q3. What is your typical delivery lead time? Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.

Q4. Do you perform quality inspection before shipment? Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.

Q5. What other ceramic materials do you offer? We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics.

Tag:

Place of Origin:	CHINA
Brand Name:	YH
Certification:	ISO,CE
Model Number:	YH

Minimum Order Quantity:	10
Price:	Negotiated
Packaging Details:	by caront or wooden case
Delivery Time:	10-30days
Payment Terms:	L/C,D/A,D/P,T/T,Western Union
Supply Ability:	10000pcs per month

High Voltage Alumina Ceramic Insulator Industrial Ceramic Parts Custom Shapes

High Voltage Alumina Ceramic Insulator

Custom Shapes Industrial Ceramic Parts

High Voltage Alumina Ceramic Insulator Industrial Ceramic Parts

Direct From Factory Manufacturer

Features of alumina ceramic

Alumina Ceramic Properties

alumina ceramic machining,

alumina ceramic components,

alumina ceramic products

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Wear Resistance Al2o3 Ceramic Disc Industrial Use With Custom Cutting Service

Properties	Unit	95%Al2O3	99%Al2O3	99.5%Al2O3
Colour	--	White	Yellow	Yellow
Density	g/cm³	3.7	3.85	3.9
Hardness	GPa	13.7	15.2	15.7
Compressive Strength	MPa	2000	2160	2350
Flexural Strength	MPa	280	310	350
Fracture Toughness	MPa・m1/2	3~4	3~4	4.5
Modulus of Elasticity	GPa	320	360	370
Poissons Ratio	--	0.23	0.23	0.23