3021 Phenolic paper laminated sheet; 3025 Phenolic cotton cloth laminated sheet;
3725 Phenolic cotton cloth laminated rod; 3526 (380)Phenolic cotton cloth laminated tube for rolling-bearing; 3520 Phenolic paper laminated tube; It is created from paper/cotton cloth that has been impregnated with phenolic resin under pressure and heat. With high mechanical strength and electrical properties, used for the insulating spare parts of the electrical appliances and transformers; textile machines. gears. fixed frame for bearing. low noise machine­..
Specific requirements will do them according to agreement between us. Sheets: thickness for 0.5-200mm; Size for 1000X2000mm; Tubes: Thickness for 1-300mm; Size for 6-2000mm;
Technical data:
1). Flexural strength lengthwise MPa >=120
2). electrical strength parallel to lamination KJ/m2 ------
3). Bonding strength >=3200 N
4). Electrical strength perpendicular 90+-2oCin transformer oil KV/mm 8.4-15.7
5). Breakdown voltage parallel to lamination in 90+-2oCin transformer oil KV >=20
6). dissipation factor (1MHZ) tg¦Ä <=0.05
7). Dielectric breakdown strength at room temperature Ω >=1.0*105
after wet >=1.0*107
8). Water absorption: 165-1380 mg

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