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Description:
1, 3021bakelite paper board 2, high electrical property 3,Size:1020*2040mm, 4, Thickness:0.5-100mm 5, color, orange, black,brownSpecifications:
| No | Item | Unit | |||
| 3021 | 3021B | 3021C | |||
| 1 | ApplicableStandards | GB1302-77 | QB | ||
| 2 | Density | g/cm3 | 1.30-1.45 | 1.30-1.50 | 1.30-1.50 |
| 3 | Thermal stabilityThinkness≤20mmThickness≥20mm | °C | 115 90 | — — | — — |
| 4 | Tensilestrength≥ | Mpa | 88.2 | — | — |
| 5 | Flexuralstrength≥ | Mpa | 117.6 | 90 | 90 |
| 6 | Impactstrength≥ | KJ/m2 | 15 | — | — |
| 7 | Bondingstrength≥ | N | 3136 | 2940 | 2740 |
| 8 | Surface resistance≥ Under nomal condition Impregnated in water | Ω | — — | — — | — — |
| 9 | Specific volume resistance≥ Under nomal condition Impregnated inwater | Ω.com | — — | — — | — — |
| 10 | Insulation resistance parallelto lamination≥ Under nomal condition Impregnated in water | Ω | 1.0*109 1.0*107 | 1.0*109 1.0*106 | 1.0*109 1.0*106 |
| 11 | Dielectric Loss Tangent,106Hz≤Under nomal condition Impregnated inwater | - | — — | — — | — — |
| 12 | Voltage endurance parallel tolamination(in oil 25±5°C), 5 minutes≥ | KV | 14 | 12 | 10 |
| 13 | Voltage endurance perpendicularto lamination(in oil 25±5°C),≥ Thinckness:1.2-2mm Thinckness:2.1-3mmThinckness:3mm | KV/mm | 16 15 13 13 | — 14 — — | — 12 — — |
| 14 | Temperature index | °C | 120 | 120 | 120 |
Application:
Phenolicpaper laminated sheets(insulation sheet, industry laminate sheet,phenolic paper sheet) are made of electric insulating craft paperimpregnated with phenolic resin by being processed under heat andpressure. Phenolic paper sheet Can be processed into all kinds ofinsulation parts, The products are widely used transformers,electric motors, cabinets, control boxes, electric switches,household appliances, railway, automobile, computer and medicalappliance, etc.
