• F820

• F820-1

• F820-2

• F820-3B

• F821

• F826-1

• F826-6

• F826-7

Phenolic Paper Laminated Sheet (2)

Properties

Unit

Grade

F820

F820-1

F820-2

F820-3B

F821

F826-1

F826-6

F826-7

Flexural strength perpendicular to laminations          ≥

MPa

135

120

120

120

90

120

120

120

Compressive strength perpendicular to laminations ≥

MPa

—

—

—

—

?a

100

100

100

Bonding strength  (≥10mm in thickness)       ≥

N

3200

3200

3200

3200

3200

3600

3600

3600

-

—

—

—

—

—

89-93

89-93

g/cm3

(1.30-1.50)

(1.30-1.50)

(1.30-1.50)

(1.30-1.50)

(1.30-1.50)

(1.30-1.50)

(1.30-1.50)

Water absorption rate(D-24/23)                              ≤

%

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

—

Jacinth

Jacinth

Orange

Black

Natural

Black core, and surface color is subject to consult

Natural core, and surface color is subject to consult

-

Enterprise Standard

Characteristics & Applications:

1. F820：Mechanical applications, with good mechanical properties, can be used as test instruments, electric parts, or backup board, etc.

2. F821：Electrical and mechanical applications, good machining performance

3. F820-1, F820-2, F820-3B￡oElectrical and mechanical applications, good machining performance; suitable for PCB test, such as testing plates and tooling stocks

4. F826-1, F826-6, F826-7：Electrical and mechanical applications, good machining performance; can be used as the tooling plate and backup board for PCB, etc.