1. Electric arc extinguishing chambers for locomotive | 2. Revolving contactor for electrical locomotive | | | | Laminated sheets | Properties | Units | Test method DIN | Paper-base laminate | Glass-epoxy laminate | Glass-phenol laminate rc | | TS - 104 | TS -703S | RC - STAKLOLIT | | DIN 7735 Hp 2061.5 | DIN 773 Hgw 2372.1 | ISO PFGC - 03.81 | | ELECTRICAL PROPERTIES | | Surface resistance | Ohm | 7735:4.7.1 | 10E9 | 10E12 | 10E8 | | Volume resistively | Ohm | 7735:4.7.2 | 10E9 | 10E12 | 10E7 | | Dielectric breakdown normal to lamination | KV | 7735:4.7.3 | 40 | 40 | 20 | | Dielectric breakdown parallel to lamination | KV | 7735:4.7.3 | 40 | 40 | 20 | | Dissipation factor tgß 50Hz | - | 7735:4.7.4 | 0.08 | 0.05 | - | | Dielectric constant | Er | - | 5 | 5 | - | | Tracking resistance | - | 7735:4.7.5 | KA1 | KA1 | KC 100 | | ARC resistance | - | - | L4 | L1 | L1 | | MECHANICAL PROPERTIES | | Flexural strength | N/mm2 | 7735:4.6.1 | 130 | 350 | 300 | | Impact strength an 10, an 15 | KJ/m2 | 7735:4.6.2 | 20 | 100 | 100 | | Tensile strength | N/mm2 | 7735:4.6.4 | 100 | 220 | - | | Compressive strength | N/mm2 | 7735:4.6.7 | 150 | 150 | 200 | | Split load | N | - | 2000 | 3000 | 3000 | | Modulus of elasticity | N/mm2 | - | 0,7.10E4 | 1,8.10E4 | 1,4.10E4 | | THERMAL PROPERTIES | | Martens HDT | K | - | 390 | 453 | 493 | | Coefficient of linear thermal expansion | 1/K | - | 20 x 10E-6 | 10-20 x 10E-6 | - | | Flammability | class | - | - | Self-ext | - | | Thermal class of insulation | - | - | E | B | B | | CHEMICAL PROPERTIES | | Specific weight | kg/dm3 | - | 1,3 - 1,4 | 1,8 - 1,9 | 1,7 - 1,9 | | Water absorption | mg/ 3mm | 53849 | 260 | 25 | max 260 | | 3. Railway signal units |