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Railway Industry

Smooth rail transport requires components that are designed for longevity, reliability and continuous use. Thanks to their unique combination of resistance, robustness and durability, WACKER silicones meet exacting demands.

WACKER silicones can be found in the interior and exterior of railway vehicles – for instance, in cables, bellows for connecting wagons, in door and window pane seals, or in electrical and electronic components of railway drive and control systems.

Most of the current fire safety requirements for railway vehicles, especially those subject to R22 and R23 requirement sets, can be met with certified solid and liquid silicone rubbers from the existing product portfolio.

Benefits:

  • Flame retardant
  • Low smoke toxicity
  • Peroxide-cure
  • DIN EN 45545-2 compliant

Applications:

  • Window seals for fitting and sealing window panes
  • Door seals
  • Bellows for connecting wagons

产品推荐

表格可上下滚动
个产品
技术数据
Product properties
Appearance 外观 Shore density A Breaking strength 断裂伸长率 Tear-growth resistance 压缩变形 具体特征
ELASTOSIL® LR 3001/55 FR A/B dark-gray / black dark-gray / black - - 55[1] 55[1] 6.3 N/mm²[2] 6.3 N/mm²[2] 300 %[3] 300 %[3] 15 N/mm[4] 15 N/mm[4] 13 %[5] 13 %[5] 阻燃性, 减少挥发物含量
ELASTOSIL® LR 3011/50 FR A/B dark-gray / black dark-gray / black - - 50[1] 50[1] 10.0 N/mm²[2] 10.0 N/mm²[2] 510 %[3] 510 %[3] 28 N/mm[4] 28 N/mm[4] 13 %[5] 13 %[5] 阻燃性, 减少挥发物含量
ELASTOSIL® R 770/50 OH white white - - 45[1] 45[1] 9.0 N/mm²[2] 9.0 N/mm²[2] 670 %[3] 670 %[3] 40 N/mm[4] 40 N/mm[4] 15 %[6] 15 %[6] 阻燃性, 高极限氧指数（LOI）
ELASTOSIL® R 770/60 OH white white - - 63[1] 63[1] 4.0 N/mm²[2] 4.0 N/mm²[2] 420 %[3] 420 %[3] 14 N/mm[4] 14 N/mm[4] 56 %[7] 56 %[7] 阻燃性, 高极限氧指数（LOI）
ELASTOSIL® R 770/75 OH - - white white 72[1] 72[1] 3.8 N/mm²[2] 3.8 N/mm²[2] 350 %[3] 350 %[3] 15 N/mm[4] 15 N/mm[4] 59 %[7] 59 %[7] 阻燃性, 高极限氧指数（LOI）
ELASTOSIL® R 771/60 OH - - white white 60[1] 60[1] 3.4 N/mm²[2] 3.4 N/mm²[2] 410 %[3] 410 %[3] 16 N/mm[4] 16 N/mm[4] 53 %[7] 53 %[7] 阻燃性, 高极限氧指数（LOI）
ELASTOSIL® R 771/70 OH - - white white 70[1] 70[1] 4.0 N/mm²[2] 4.0 N/mm²[2] 270 %[3] 270 %[3] 18 N/mm[4] 18 N/mm[4] 39 %[7] 39 %[7] 阻燃性, 高极限氧指数（LOI）
说明
[1] Shore density A | DIN ISO 48-4,  [2] Breaking strength | ISO 37 type 1,  [3] 断裂伸长率 | ISO 37 type 1,  [4] Tear-growth resistance | ASTM D 624 B,  [5] 压缩变形 | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 6 h / 200 °C,  [6] 压缩变形 | 22 h | 175 °C | DIN ISO 815-1 type B method A,  [7] 压缩变形 | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 4 h / 150 °C,  [] 适合,  [] 非常适合,  [] 极其适合 

Additional potting of the slot exits and the electrical junction boxes with low-viscosity, flame-retardant silicone rubber reliably prevents moisture penetration. Together with a winding head coating of weather-resistant RTV silicone, our product solutions ensure a long service life and form an integral part of an electrical insulation system for drive motors that has proven itself worldwide for over 40 years.

Benefits:

  • Very high heat resistance
  • Optimized electrical insulation
  • Improved thermal management
  • Long-lasting protection against environmental influences and the effects of weathering

Applications:

  • Vacuum-pressure impregnation (VPI) of electrical windings in traction motors
  • Potting of slot exits
  • Potting of electrical junction boxes
  • Winding head coating

Product Recommendations

Products
Product properties
SILRES® H60 A/B Solvent-free, Low viscosity, Heat resistant, Hydrophobic, Liquid, UV & weathering-resistant, Electrically insulating
SILRES® H62 C Solvent-free, Low viscosity, One-component, Heat resistant, Hydrophobic, Liquid, UV & weathering-resistant, Electrically insulating
Legend
[] Suited,  [] Well suited,  [] Ideally suited 

Benefits:

  • Flame retardant
  • Heat resistance
  • Good electrical insulation
  • Long-lasting protection against environmental influences and the effects of weathering

Applications:

  • Coating of windings
  • Coating of windings in small transformers
  • Coating of choke coils
  • Potting of electrical assemblies in the field of panthograph technology

Product Recommendations

Table is scrollable
Products
Technical data
Product properties
Hardness Shore A Tensile strength Elongation at break Resistance Regulation Product Rheology
ELASTOSIL® N 2076 36[1] 36[1] 1.6 N/mm²[2] 1.6 N/mm²[2] 150 %[3] 150 %[3] - Flame retardant Flowable
ELASTOSIL® N9189 40[1] 40[1] 2.8 N/mm²[2] 2.8 N/mm²[2] 300 %[3] 300 %[3] Heat resistant - Shear thinning, Non-slump
Legend
[1] Hardness Shore A | DIN ISO 48-4,  [2] Tensile strength | ISO 37 type 1,  [3] Elongation at break | ISO 37 type 1,  [] Suited,  [] Well suited,  [] Ideally suited 

Benefits:

  • Long-lasting protection against moisture, environmental influences and the effects of weathering
  • Dissipation of thermomechanical stress by virtue of silicones’ characteristic flexibility
  • Self extinguishing
  • Good electrical insulation

Applications:

  • Potting of electrical components
  • Enscapsulation of electrical assemblies
  • Bonding and potting in the field of LED technology
  • Housing sealing

产品推荐

表格可上下滚动
个产品
技术数据
Product properties
动态粘度 Tear-growth resistance 锥入度 Shore density A Breaking strength 断裂伸长率 耐久性 流变性 交联性能 硫化胶
ELASTOSIL® RT 778 - - 7.0[1] 7.0[1] - - 50[2] 50[2] 3.5 N/mm²[3] 3.5 N/mm²[3] 120 %[4] 120 %[4] 耐热性 剪切变稀, 抗下垂 缩合固化, 双组分, 室温下快速固化 自粘性, 电绝缘性
WACKER SilGel® 616 A/B 300 mPa·s[5] 300 mPa·s[5] - - 280.0 1/10mm[6] 280.0 1/10mm[6] - - - - - - - - - -
说明
[1] Tear-growth resistance | ASTM D 624 B,  [2] Shore density A | DIN ISO 48-4,  [3] Breaking strength | ISO 37 type 1,  [4] 断裂伸长率 | ISO 37 type 1,  [5] 动态粘度 | 25 °C | ISO 3219,  [6] 锥入度 | DIN ISO 2137 | 150 g hollow cone, 60 sec.,  [] 适合,  [] 非常适合,  [] 极其适合