90 Mm Piezoelectric Alumina Ceramic Components , Zirconia Alumina Grinding Wheels Raschig Custom Seal Ring Heater

Piezoelectric alumina ceramic raschig seal ring heater blank 95% al2o3 zirconia ceramic wheel 90 mm

Product Description

95%/99%/99.7% AI203 Ceramic Material Parameters

Item Test Condition 95% AI203 99% AI203 99.7% AI203

Bulk Density (g/cm3) >3.6 3.89 3.96

Maximum Use Temp(°C) 1450 1600 1650

Water Absorption(%} 0 0 0

ROHS Hardness >85 >89 >89

Flexural Strength MPa(psiX l〇3) 20°C 358(52) 550 550

Compressive Strength MPa(psi X l〇3) 20°C 2068(300) 2600(377) 2600(377)

Fracture Toughness Mpa m’/j K(lc) 4-5 5.6 6

Thermal Expansion

Coefficient{lXi〇-6/°C)

25-1000〇 C 7.6 7.9 8.2

Thermal Conductivity

Coefficient(W/m° K}

206C 16 30.0 30.4

Thermal Shock Resistance(°C) ATc 250 200 200

Dielectricity Constant 1MHz.25〇 C 9 9.7 9.7

Dielectric Strength (ac-kV/mm)(acV/mil)

8.3(210) 8.7(220) 8.7(220)

Volume Resistivity(ohm-cm) 100°C >1013 >1014 >1014

Advantages

We can offer the products base on customer's drawing, sample and other reference parameter

1) A variety of specifications available.
2) Satisfy various technical request
3) High quality be sure
4) Good insulation performance and high temperature resistance
5) Bending strength and compressive strength resistance
6) Used in all electric products and electric heating products
7) OEM, ODM and OBM are welcomed

FAQ