3021Phenolic paper laminate
3021 phenolic paper laminate, phenolic paperboard, phenolic board, insulating paperboard
Used to make fixed devices.
Colors: Orange-red, Black, Yellow, Brown.
size：3-50mm x 1000mm x 1220/2000mm。
1: Product Introduction
Phenolic paper laminated board 3021, phenolic paper board, phenolic board, insulating paper board is a type of laminated paperboard. It is made by impregnating insulating paper with phenolic resin, followed by drying and hot pressing.
This product is suitable for motors and electrical equipment with high mechanical performance requirements, as well as for use as insulating structural components. It has good mechanical strength and is mainly used in the processing of insulating components such as ICT and ITE fixtures, test fixtures, silicone rubber key molds, fixture plates, mold clamping plates, benchtop grinding pads, packaging machinery, and combs.
2. Differences from other series:
3021TG phenolic paper composite board possesses high mechanical strength and good processing performance, making it suitable for test boards, fixtures, and insulating components in the electronics and electrical industries. 3022
Phenolic paper composite boards have certain moisture-proof properties and can be used as insulating structural components for electrical equipment operating in humid environments. 3023
Phenolic paper composite boards have low dielectric loss and are suitable for insulating structural components in radio and electrical equipment.
3：Technical Specifications
|
Serial number |
Indicator name |
Unit |
Point |
|||||
|
3721 |
3721B |
3722 |
3723 |
3724 |
3725 |
|||
|
1 |
Applicable standards |
JB889-75 |
QB |
GB5133-1985 |
||||
|
2 |
density |
g/cm3 |
1.25～1.45 |
1.25～1.45 |
1.25～1.45 |
1.25～1.45 |
1.25～1.45 |
1.25～1.45 |
|
3 |
Vertical laminate bending strength ≥ |
MPa |
117.6 |
80 |
110.3 |
89.6 |
110.3 |
82.7 |
|
4 |
Tensile strength: ≥ |
MPa |
78.4 |
60 |
— |
— |
— |
— |
|
5 |
Compressive strength: ≥ |
MPa |
— |
— |
131 |
137.9 |
131 |
137.9 |
|
6 |
Parallel layers with insulation resistance ≥ |
Ω |
1.0×108 |
1.0×107 |
— |
— |
— |
— |
|
7 |
Parallel laminate breakdown voltage, ≥ in transformer oil at 20±2°C |
kV |
10.0 |
8.0 |
— |
10.0 |
— |
10.0 |
|
8 |
Water absorption ≤ |
mg |
1.0（%） |
2.0（%） |
2.0 |
1.3 |
1.5 |
1.1 |
|
9 |
Temperature index |
℃ |
120 |
120 |
120 |
120 |
120 |
120 |
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