Type

L3B9

L4D4

L4A9

L4C9

L5A9

L7HW

L7H4

L7BT

L7H8

L15A0

L25A0

L40C0

Characteristic

Ultra-low εr, High-frequency low -loss

Low εr, High-frequency low -loss

Low εr, High-frequency low -loss

Low εr

Low εr, High-frequency low -loss

High strength

High strength

High CTE, High-frequency low -loss

High strength

Midium εr, Low loss

Midium εr, Ultra-low loss

Medium-high εr, Low loss

Dielectric constant

3.9±0.1 (10-40GHz)

4.4±0.1 (8-40GHz)

4.8±0.1 (@12GHz)

4.85±0.1 (@12GHz)

5.9±0.1 (10-40GHz)

7.0±0.1 (@10GHz)

7.4±0.1 (@10GHz)

7.7±0.2 (10-40GHz)

7.8±0.1 (@10GHz)

15.0±0.5 (@10GHz)

26.0±0.5 (@10GHz)

38.5±1 (@10GHz)

Dielectric loss

≤ 0.002 (10-40GHz)

≤ 0.002 (8-40GHz)

≤0.002 (@12GHz)

≤0.0035 (@12GHz)

≤0.002 (10-40GHz)

≤ 0.0025 (@10GHz)

≤ 0.003 (@10GHz)

≤ 0.001 (10-40GHz)

≤0.0025 (@10GHz)

≤ 0.001 (@10GHz)

≤0.00025 (@10GHz)

≤ 0.0006 (@10GHz)

CTE(25~300℃, ppm/℃)

2.3

4.1

4.5

4.5

5.3

6.0

6.1

12.5

6.3

9.6

9.2

7.9

Flexural strength(MPa)

＞100

＞125

＞150

＞150

＞170

＞300

＞300

＞200

＞300

＞150

＞200

＞200

Sintering（℃）

875

850

850

850

875

850

850

900

875

900

900

900