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Phenolic Cotton Cloth Laminated Sheet (- Reference to NAME Standard)

Properties

Unit

Grade

F850

F851

F852

F853

Flexural strength perpendicular to laminations  LW  

                                                                           CW

MPa

117

110

114

97

114

100

110

97

Bonding strength (12.7mm)

N

8000

8000

7100

7100

Impact strength (Charpy, ≥4mm in thickness)

KJ/m2

8.8

7.8

7.0

6.0

Breakdown voltage parallel to laminations

(in 25±2 transformer oil)

KV

15

35

15

40

Permittivity (1MHz)

-

-

-

5.8

Dissipation factor (1MHz)

-

-

-

0.055

Density

 

g/cm3

(1.30-1.40)

(1.30-1.40)

(1.30-1.40)

(1.30-1.40)

Water absorption rate( D-24/23)

%

4.40

2.20

2.50

1.95

Color

 

Natural

Reference standard

 

-

Enterprise Standard

Characteristics & Applications:

1. F850: Similar to NEMA grade C, intended for mechanical applications(coarse weave), applications include gears and bearings

2. F851: Similar to NEMA grade CE, intended for use in electrical applications requiring good moisture resistance and good mechanical strength(coarse weave)

3. F852: Similar to NEMA grade L, intended for machining and mechanical applications requiring a fine edge detail and appearance is required(fine weave)

4. F853: Similar to NEMA grade LE, intended for electrical applications requiring good moisture resistance(fine weave)

Notes: If there is any modification in the technical sheets, special notice will not be given; technical data shall be subject to Sales Confirmation; product colors shall be subject to the actual products.

 
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