Description:
Phenolic Cotton Cloth Board 3025/3025B/3025C, High Mechanical &Electrical Applications, Reasonable Pice, High quality3025 Phenolic Cotton Cloth Board,Phenolic Cotton Cloth Laminated Board/ Sheet
Dimesion
Size: 980*1980mm, 1000*2000mm,1020*2040mm, 1220*2440mm
Thickness: 0.5mm-100mm
Application
Phenoliccotton cloth laminated sheet (insulation sheet, industry laminatesheet, phenolic cloth sheet) are made of cotton cloth impregnatedphenolic resin by processing under heat and pressure. Phenoliccloth sheet Can be processed into all kinds of insulation parts,The products are widely used transformers, electric motors,cabinets, control boxes, electric switches, household appliances,railway, automobile, computer and medical appliance,etc.
Specification
No | Item | Unit | Value | ||
3025 | 3025B | 3025C | |||
1 | ApplicableStandards | — | JB886-75 | QB | |
2 | Density | g/cm3 | 1.30~1.45 | 1.30~1.45 | 1.30~1.45 |
3 | Martensheat resistance | °C | 125 | 125 | 125 |
4 | Tensilestrength≥ | Mpa | 63.7 |
|
|
5 | Flexuralstrength≥ | Mpa | 102.9 | 90 | 70 |
6 | Impactstrength≥ | KJ/m2 | 25 |
| 20 |
7 | Bondingstrength≥ | N | 5390 | 5000 | 5000 |
8 | Pressingstrength ≥ | Mpa | — — | — — | — — |
9 | Insulationresistance≥Under nomalcondition Impregnated in water | Ω | — — | — — | — — |
10 | Voltageendurance parallel to lamination (in oil 90±2°C) 5 min | KV | — | — | — |
11 | Voltageendurance perpendicular to lamination ≥ (in oil90±2°C) | KV/mm | 4.0 3.0 2.0 2.0 | — 2.5 — — | — 2.5 — — |
12 | Waterabsorption( Thickness 10mm) | % | — | — | — |
13 | Temperatureindex | °C | 120 | 120 | 120 |


