phenolic cotton rod , bakelite cotton rod , insulation cotton rod , cotton laminate rod
Description: phenolic cotton rod is created from cotton cloth that has been impregnated with phenolic resin under pressure and heat. Have low water absorption rate, high mechanical strength, good electric performance wether under the moist or dry environment and high temperature resistant, high dielectric performance and mechanical processing performance. Apply to PCB fixture, ICT fixture, pads of drilling machine, gear, motor, generator, transformer, fixture inverter, switch, electric insulation part, generator, transformer, fixture, inverter, motor and electric insulation component.
Specification:
materuial: phenolic resin+cotton fabric
color: brown, beige, yellow, red
surface: smooth
tensile strength: 78Mpa
flexural strength: 90-110Mpa
compression strength: 138Mpa
breakdown voltage: 10KV
density: 1.25-1.40g/cm3
heat-resistant: B class 130
size: od8-200mm x 1m
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Properties |
Grade |
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insulation bakelite rod |
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Properties |
Units |
3723 |
3724 |
3725 |
3726 |
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Density |
|
Dia(mm) |
g/cm3 |
1.25-1.40 |
1.25-1.40 |
1.25-1.40 |
1.25-1.40 |
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Water absorption rate (D-24/23) |
≤ |
6 |
% |
1.7 |
1 |
1.2 |
1 |
|
13 |
1.3 |
(Φ13mm) |
(Φ13mm) |
(Φ13mm) |
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|
25 |
1 |
|
|
|
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> |
25~51 |
1.2 |
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|
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Flexural strength |
≥ |
|
MPa |
90 |
95 |
110 |
95 |
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Tensile strengh |
≥ |
|
MPa |
78 |
|
|
|
|
Compression strength (Axial) |
≥ |
|
MPa |
138 |
138 |
138 |
138 |
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Insulation resistance parallel to laminations |
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|
|
|
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A: Under normal condition |
≥ |
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W |
1.0×108 |
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|
|
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D-24/23: Immersion in water |
≥ |
|
W |
|
|
|
|
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Breakdown voltage parallel to laminations (in transformer oil) |
≥ |
|
KV |
10 |
10 |
10 |
10 |
|
|
(20±5°C) |
(20±5°C) |
(20±5°C) |
(20±5°C) |
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Flammability |
|
|
- |
- |
- |
- |
- |
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Color |
|
|
- |
Natural |
Natural |
Natural |
Natural |
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Reference standard |
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|
- |
Enterprise Standard |
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