Outside

diameter mm

25(1 inch)

46

50(2 inches)

80(3 inches)

80

100(4 inches)

100

Wall

thickness mm

2

3

2

2.5

4

3

5

Inside diameter mm

Tolerance mm

 0.4~1.0

±0.1

>1

≤2.8

±0.2

>2.8

≤4.0

±0.3

>4.0

≤12

±0.5

>12

≤22

±1.0

Wall thickness mm

Tolerance (wall thicknessX%)

0.2~1.0

±30%

>1.0

≤1.5

±20%

>1.5

≤1.0

±15%

>1.0

≤2.5

±12%

Process

densityg/cm3

Tensile strength Mpa

Elongation at break%

AC breakdown current KV/mm

Paste

extrusion

2.13—2.23

≥15.0

≥100

≥18(1mm thickness sample)

Plunger

extrusion

2.10—2.16

≥15.0

≥150

Molded

2.13—2.19

≥14.0

≥140

Equal pressure

forming

2.13—2.16

≥14.0

≥140