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laminate tubes rods,phenolic resin ,Phenolic Cotton Cloth Molded Rod ,epoxy Glass Cloth Molded Rod

Characteristics & Applications:
1. 3721 and 3721-1Mechanical and electrical applications; 3721 is better than 3721-1 in strength; 3721-1 is the economical product versus 3721
2. 3722, 3723, 3724 and 3725:Similar to NEMA Grade C, CE, L and LE respectively
3. 3840:Mechanical and electrical applications, good moisture resistance. If the usuage is not hindered, it is allowed to have some cracks on top surface or section of rod with diameter more than 25mm.
4. 3841 and 3841F:Similar to NEMA Grade G-10 and FR-4 respectively. If the usuage is not hindered, it is allowed to have some cracks on top surface
or section of rod with diameter more than 25mm.

used in Bushings, bearings, spacer rings in metal slitting, rollers,Shaft bearings, close tolerance housings friction bushings high voltage insulators, fuse tubes, and solenoid and coil winding cores.lap spools, brush holders, liners fibre-lined fuse tubes.pulleys, bushings, rollers and insulators.all electrical and electronic applications

Name:laminate tubes rods,phenolic resin laminate tubes rods ,cotton base fabric phenolic tubes rods ,Phenolic Cotton Cloth Molded Rod ,epoxy Glass Cloth Molded Rod

Size:ID*OD Wall Thickness Color:Grey,thin green etc.
Can produce various Size or Color according per customer’s requirements.

Properties

Grade

Phenolic Cotton Cloth Molded laminate Rod

Epoxy Glass Cloth Molded laminate Rod

Properties

Units

3721

3721-1

3722

3723

3724

3725

3840

3841

3841F

 

g/cm3

1.25-1.40

1.25-1.40

1.25-1.40

1

1.25-1.40

1.25-1.40

1.70-1.79

1.70-1.79

1.70-1.79

Water absorption rate (D-24/23)

%

1

1

2.0

(Φ13㎜)

1.3

(Φ13㎜)

1.5

(Φ13㎜)

1.1

(Φ13㎜)

_

0.5

(Φ13㎜)

0.5

(Φ13㎜)

Flexural strength

MPa

118

88

110

90

110

83

343

241

241

Tensile strengh

MPa

78

_

_

_

_

_

196

_

_

Compression strength (Axial)

MPa

_

_

131

138

131

138

_

241

241

Insulation resistance parallel to laminations
A: Under normal condition
D-24/23: Immersion in water

W

1.0×108

_

1.0×108

_

_

_

_

_

_

_

_

_

1.0×1010

1.0×107

_

_

_

_

Breakdown voltage parallel to laminations
(in transformer oil)

KV

10

(20±5)

10

(20±5)

_

10

(20±5)

_

10

(20±5)

15

(90±2)

15

(90±2℃)

15

(90±2)

Flammability

 

FV0

Color

 

Natural

Natural

Natural

Natural

Natural

Natural

Natural

Green

Green

Reference standard

 

Enterprise Standard

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