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Transmission & Distribution Industry
WACKER was the first silicones producer on the market to offer a full range of electrically insulating and conducting silicone rubbers for transmission and distribution. Today, POWERSIL® is a world-leading brand that is synonymous with innovative, economical and reliable products.
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POWERSIL® silicones are high-end silicone elastomers that range from low-viscosity to ready-to-use solid rubbers. They are used to produce long-rod insulators/surge arresters and hollow insulators as well as to coat insulators, especially glass and ceramic insulators.
Benefits:
- Good mechanical properties
- Excellent dielectric properties
- Ready to use
- Two-part system
- Extremely low-viscosity liquid rubber
- Excellent processing in appropriate mixing and metering systems
- High tracking and erosion resistance
Benefits of POWERSIL® in long-rod insulators:
- Long service life due to excellent hydrophobic properties and resistance to heat, UV and ozone
- Easy to use due to low weight
- Excellent toughness and impact strength due to flexibility
- High flashover resistance due to hydrophobic surface
- Low maintenance costs due to hydrophobicity transfer
Benefits of POWERSIL® in hollow insulators:
- Excellent process safety and flexibility due to low-pressure molding process
- Easy handling due to low weight (80 % lighter than porcelain insulators)
- Excellent toughness and impact strength due to flexibility
- High flashover resistance due to hydrophobic surface
Benefits of POWERSIL® as insulator coating:
- High operational reliability due to excellent hydrophobic properties
- Cost efficiency due to scope for retrofitting existing installations
- Extended service life due to silicone coating (10 years and longer)
Insulators:
Product Recommendations
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Products
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Technical data
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Product properties
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Appearance | Hardness Shore A | Tensile strength | Viscosity, dynamic | Elongation at break | Tear strength | Penetration | Resistance | Product Rheology | Specific Features | ||
POWERSIL® 190 MH | light grey light grey | 75[1] 75[1] | 6.8 N/mm²[2] 6.8 N/mm²[2] | - - | 250 %[3] 250 %[3] | 18 N/mm[4] 18 N/mm[4] | - - | - | - | Resistant to tracking and erosion, Excellent hydrophobicity behavior | |
POWERSIL® 310 MH | light gray, dark gray light gray, dark gray | 70[1] 70[1] | 5.0 N/mm²[2] 5.0 N/mm²[2] | - - | 200 %[3] 200 %[3] | 11 N/mm[4] 11 N/mm[4] | - - | - | - | High LOI, Resistant to tracking and erosion, Excellent hydrophobicity behavior | |
POWERSIL® 3100 MH | light gray light gray | 70[1] 70[1] | 4.5 N/mm²[2] 4.5 N/mm²[2] | - - | 350 %[3] 350 %[3] | 20 N/mm[4] 20 N/mm[4] | - - | - | - | Two-component, Resistant to tracking and erosion, Excellent hydrophobicity behavior | |
POWERSIL® GEL A/B | - - | - - | - - | 1000 mPa·s[5] 1000 mPa·s[5] | - - | - - | 300 1/10mm[8] 300 1/10mm[8] | - | - | - | |
POWERSIL® GEL C 670 A/B | - - | - - | - - | 3000 mPa·s[5] 3000 mPa·s[5] | - - | - - | 220 1/10mm[8] 220 1/10mm[8] | - | - | - | |
POWERSIL® GEL FC A/B | - - | - - | - - | 1000 mPa·s[5] 1000 mPa·s[5] | - - | - - | 180 1/10mm[8] 180 1/10mm[8] | - | - | - | |
POWERSIL® INSULATOR FINISH | - - | - - | 1.4 N/mm²[2] 1.4 N/mm²[2] | 200000 mPa·s[6] 200000 mPa·s[6] | 500 %[3] 500 %[3] | 5.0 N/mm[4] 5.0 N/mm[4] | - - | Resistant to tracking and erosion | Self-levelling | - | |
POWERSIL® N 553 DARKGREY | - - | 60[1] 60[1] | 3.0 N/mm²[2] 3.0 N/mm²[2] | 4000 mPa·s[7] 4000 mPa·s[7] | 100 %[3] 100 %[3] | 9.0 N/mm[4] 9.0 N/mm[4] | - - | - | - | - | |
POWERSIL® XLR® 630 A/B | light gray light gray | 35[1] 35[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | - - | 450 %[3] 450 %[3] | 25 N/mm[4] 25 N/mm[4] | - - | - | - | Resistant to tracking and erosion, Low viscosity | |
SLM 26758 | - - | 60[1] 60[1] | 3.0 N/mm²[2] 3.0 N/mm²[2] | - - | 100 %[3] 100 %[3] | 9.0 N/mm[4] 9.0 N/mm[4] | - - | - | - | - | |
WACKER® PRIMER G 790 TOLUENE FREE | - - | - - | - - | - - | - - | - - | - - | - | - | Adhesion promoting primer, Solvent-based | |
WACKER® PRIMER G 791 A/B | - - | - - | - - | - - | - - | - - | - - | - | - | Adhesion promoting primer, Solvent-based |
[1] Hardness Shore A | DIN ISO 48-4, [2] Tensile strength | ISO 37 type 1, [3] Elongation at break | ISO 37 type 1, [4] Tear strength | ASTM D 624 B, [5] Viscosity, dynamic (10 s⁻¹) | DIN EN ISO 3219, [6] Viscosity, dynamic | DIN EN ISO 3219, [7] Viscosity, dynamic | 25 °C | DIN EN ISO 3219, [8] Penetration (Hardness) | DIN ISO 2137 | 150g cone / 60s penetration time, [] Suited, [] Well suited, [] Ideally suited
Arresters:
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Products
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Technical data
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Product properties
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Appearance | Hardness Shore A | Tensile strength | Viscosity, dynamic | Elongation at break | Tear strength | Compression Set | Specific Features | ||
POWERSIL® 310 MH | light gray, dark gray light gray, dark gray | 70[1] 70[1] | 5.0 N/mm²[2] 5.0 N/mm²[2] | - - | 200 %[3] 200 %[3] | 11 N/mm[4] 11 N/mm[4] | - - | High LOI, Resistant to tracking and erosion, Excellent hydrophobicity behavior | |
POWERSIL® 3100 MH | light gray light gray | 70[1] 70[1] | 4.5 N/mm²[2] 4.5 N/mm²[2] | - - | 350 %[3] 350 %[3] | 20 N/mm[4] 20 N/mm[4] | - - | Two-component, Resistant to tracking and erosion, Excellent hydrophobicity behavior | |
POWERSIL® 3500 MH | red, light grey red, light grey | 45[1] 45[1] | 10.0 N/mm²[2] 10.0 N/mm²[2] | - - | 850 %[3] 850 %[3] | 30 N/mm[4] 30 N/mm[4] | 20 %[5] 20 %[5] | Resistant to tracking and erosion, Addition Curing | |
POWERSIL® 3525 MH | pearl orange, blue grey pearl orange, blue grey | 23[1] 23[1] | 9.5 N/mm²[2] 9.5 N/mm²[2] | - - | 1100 %[3] 1100 %[3] | 30 N/mm[4] 30 N/mm[4] | - - | Resistant to tracking and erosion, Addition Curing | |
POWERSIL® 600 A/B | - - | 30[1] 30[1] | 8.0 N/mm²[2] 8.0 N/mm²[2] | 10000 mPa·s[6] 10000 mPa·s[6] | 500 %[3] 500 %[3] | 22 N/mm[4] 22 N/mm[4] | - - | - | |
POWERSIL® XLR® 630 A/B | - - | 35[1] 35[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | - - | 450 %[3] 450 %[3] | 25 N/mm[4] 25 N/mm[4] | - - | Resistant to tracking and erosion, Low viscosity | |
WACKER® PRIMER G 790 TOLUENE FREE | - - | - - | - - | - - | - - | - - | - - | Adhesion promoting primer, Solvent-based | |
WACKER® PRIMER G 791 A/B | - - | - - | - - | - - | - - | - - | - - | Adhesion promoting primer, Solvent-based |
[1] Hardness Shore A | DIN ISO 48-4, [2] Tensile strength | ISO 37 type 1, [3] Elongation at break | ISO 37 type 1, [4] Tear strength | ASTM D 624 B, [5] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 4 h / 200 °C, [6] Viscosity, dynamic of mix (10 s⁻¹) | DIN EN ISO 3219, [] Suited, [] Well suited, [] Ideally suited
Insulator coatings:
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Product properties
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Tear strength | Viscosity, dynamic | Hardness Shore A | Tensile strength | Elongation at break | Regulation | Product Rheology | ||
POWERSIL® 567 | 9.0 N/mm[1] 9.0 N/mm[1] | 1400 mPa·s[2] 1400 mPa·s[2] | 45[4] 45[4] | 3.0 N/mm²[5] 3.0 N/mm²[5] | 250 %[6] 250 %[6] | - | - | |
POWERSIL® 577 PLUS | - - | 350000 mPa·s[3] 350000 mPa·s[3] | - - | - - | - - | Solvent-free | - | |
POWERSIL® 590 | - - | - - | - - | - - | - - | - | Flowable | |
POWERSIL® 79032 | - - | - - | - - | - - | - - | - | - | |
POWERSIL® N 552 LIGHTGREY | 9.0 N/mm[1] 9.0 N/mm[1] | - - | 68[4] 68[4] | 3.0[5] 3.0[5] | 100 %[6] 100 %[6] | - | - | |
POWERSIL® N 552 WHITE | 9.0 N/mm[1] 9.0 N/mm[1] | - - | 68[4] 68[4] | 3.0[5] 3.0[5] | 100 %[6] 100 %[6] | - | - |
[1] Tear strength | ASTM D 624 B, [2] Viscosity, dynamic (10 s⁻¹) | 23 °C | DIN EN ISO 3219, [3] Viscosity, dynamic at 0.1 % deformation | DIN 54458, [4] Hardness Shore A | DIN ISO 48-4, [5] Tensile strength | ISO 37 type 1, [6] Elongation at break | ISO 37 type 1, [] Suited, [] Well suited, [] Ideally suited
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Design principle of a cold-shrinkable joint
Cable accessories made with POWERSIL® silicone rubber are used in high and low voltage cables. They allow for various types of field control – from high to low voltage, as well as for both push-on and cold-shrink technologies.
Benefits:
- Outstanding dielectric properties
- Permanent elasticity over a broad temperature range
- Excellent hydrophobic properties and resistance to heat, UV and ozone
- Very good tracking resistance
- High arcing resistance
Production method:
- Solid silicone rubber (HTV)
- Liquid silicone rubber (LSR)
- Extra-low-viscosity systems (POWERSIL® XLR®)
- Room-temperature-curing systems (RTV-2)
Product Recommendations
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Products
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Technical data
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Product properties
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Appearance | Hardness Shore A | Tensile strength | Elongation at break | Tear strength | Compression Set | Penetration | Specific Features | ||
ELASTOSIL® LR 3002/35 A/B | colourless colourless | 33[1] 33[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | 460 %[3] 460 %[3] | 29 N/mm[4] 29 N/mm[4] | 11 %[5] 11 %[5] | - - | Low viscosity, Reduced volatile content | |
ELASTOSIL® LR 3003/20 TR A/B | transparent transparent | 22[1] 22[1] | 8.3 N/mm²[2] 8.3 N/mm²[2] | 870 %[3] 870 %[3] | 24 N/mm[4] 24 N/mm[4] | 17 %[5] 17 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3003/30 A/B | transparent transparent | 30[1] 30[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | 610 %[3] 610 %[3] | 21 N/mm[4] 21 N/mm[4] | 10 %[5] 10 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3003/40 A/B | transparent transparent | 40[1] 40[1] | 10.0 N/mm²[2] 10.0 N/mm²[2] | 610 %[3] 610 %[3] | 30 N/mm[4] 30 N/mm[4] | 11 %[5] 11 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3003/50 A/B | transparent transparent | 50[1] 50[1] | 10.3 N/mm²[2] 10.3 N/mm²[2] | 490 %[3] 490 %[3] | 26 N/mm[4] 26 N/mm[4] | 13 %[5] 13 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3003/60 A/B | transparent transparent | 60[1] 60[1] | 9.8 N/mm²[2] 9.8 N/mm²[2] | 340 %[3] 340 %[3] | 27 N/mm[4] 27 N/mm[4] | 16 %[5] 16 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3003/70 A/B | transparent transparent | 70[1] 70[1] | 9.3 N/mm²[2] 9.3 N/mm²[2] | 290 %[3] 290 %[3] | 20 N/mm[4] 20 N/mm[4] | 16 %[5] 16 %[5] | - - | Food-contact, General purpose, Reduced volatile content | |
ELASTOSIL® LR 3004/40 A/B | transparent transparent | 40[1] 40[1] | 9.2 N/mm²[2] 9.2 N/mm²[2] | 610 %[3] 610 %[3] | 29 N/mm[4] 29 N/mm[4] | 10 %[5] 10 %[5] | - - | Fast curing, Food-contact, Reduced volatile content | |
ELASTOSIL® LR 3005/60 A/B | transparent transparent | 60[1] 60[1] | 9.5 N/mm²[2] 9.5 N/mm²[2] | 380 %[3] 380 %[3] | 28 N/mm[4] 28 N/mm[4] | 15 %[6] 15 %[6] | - - | Fast curing, Low compression set without post-cure, Reduced volatile content | |
ELASTOSIL® LR 3043/40 A/B | transparent transparent | 40[1] 40[1] | 9.8 N/mm²[2] 9.8 N/mm²[2] | 660 %[3] 660 %[3] | 36 N/mm[4] 36 N/mm[4] | 25 %[5] 25 %[5] | - - | Food-contact, High tear-resistant, Reduced volatile content | |
POWERSIL® 3500 MH | red, light grey red, light grey | 45[1] 45[1] | 10.0 N/mm²[2] 10.0 N/mm²[2] | 850 %[3] 850 %[3] | 30 N/mm[4] 30 N/mm[4] | 20 %[7] 20 %[7] | - - | Resistant to tracking and erosion, Addition Curing | |
POWERSIL® 352 MH | oyster white, tomato red oyster white, tomato red | 40[1] 40[1] | 10.0 N/mm²[2] 10.0 N/mm²[2] | 800 %[3] 800 %[3] | 30 N/mm[4] 30 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 3525 MH | pearl orange, blue grey pearl orange, blue grey | 23[1] 23[1] | 9.5 N/mm²[2] 9.5 N/mm²[2] | 1100 %[3] 1100 %[3] | 30 N/mm[4] 30 N/mm[4] | - - | - - | Resistant to tracking and erosion, Addition Curing | |
POWERSIL® 354 MH | light grey light grey | 45[1] 45[1] | 8.0 N/mm²[2] 8.0 N/mm²[2] | 550 %[3] 550 %[3] | 17 N/mm[4] 17 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 402 A/B | - - | - - | - - | - - | - - | - - | - - | - | |
POWERSIL® 415 MH | black black | 41[1] 41[1] | 3.0 N/mm²[2] 3.0 N/mm²[2] | 470 %[3] 470 %[3] | 25 N/mm[4] 25 N/mm[4] | - - | - - | High dielectric permittivity | |
POWERSIL® 440 MH | black black | 42[1] 42[1] | 7.5 N/mm²[2] 7.5 N/mm²[2] | 500 %[3] 500 %[3] | 12 N/mm[4] 12 N/mm[4] | - - | - - | Electrically conductive | |
POWERSIL® 466 A/B | black black | 38[1] 38[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | 650 %[3] 650 %[3] | 28 N/mm[4] 28 N/mm[4] | 11 %[5] 11 %[5] | - - | Cold-shrinkable, Electrically conductive | |
POWERSIL® 466 LV A/B | black black | 32[1] 32[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | 650 %[3] 650 %[3] | 20 N/mm[4] 20 N/mm[4] | 11 %[5] 11 %[5] | - - | Cold-shrinkable, Electrically conductive, Low viscosity | |
POWERSIL® 600 A/B | - - | 30[1] 30[1] | 8.0 N/mm²[2] 8.0 N/mm²[2] | 500 %[3] 500 %[3] | 22 N/mm[4] 22 N/mm[4] | - - | - - | - | |
POWERSIL® 730 A/B | - - | 35[1] 35[1] | 8.0 N/mm²[2] 8.0 N/mm²[2] | 600 %[3] 600 %[3] | 26 N/mm[4] 26 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 732 CS A/B | - - | 33[1] 33[1] | 9.0 N/mm²[2] 9.0 N/mm²[2] | 750 %[3] 750 %[3] | 35 N/mm[4] 35 N/mm[4] | - - | - - | Cold-shrinkable, Resistant to tracking and erosion | |
POWERSIL® 735 LIGHTGRAY A/B | - - | 39[1] 39[1] | 8.0 N/mm²[2] 8.0 N/mm²[2] | 500 %[3] 500 %[3] | 30 N/mm[4] 30 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 740 DARK GRAY A/B | - - | 40[1] 40[1] | 9.8 N/mm²[2] 9.8 N/mm²[2] | 650 %[3] 650 %[3] | 35 N/mm[4] 35 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 740 LIGHTGRAY A/B | - - | 40[1] 40[1] | 9.8 N/mm²[2] 9.8 N/mm²[2] | 650 %[3] 650 %[3] | 35 N/mm[4] 35 N/mm[4] | - - | - - | Resistant to tracking and erosion | |
POWERSIL® 79032 | - - | - - | - - | - - | - - | - - | - - | - | |
POWERSIL® GEL A/B | - - | - - | - - | - - | - - | - - | 300 1/10mm[8] 300 1/10mm[8] | - | |
POWERSIL® GEL C 670 A/B | - - | - - | - - | - - | - - | - - | 220 1/10mm[8] 220 1/10mm[8] | - | |
POWERSIL® GEL FC A/B | - - | - - | - - | - - | - - | - - | 180 1/10mm[8] 180 1/10mm[8] | - | |
POWERSIL® XLR® 630 A/B | - - | 35[1] 35[1] | 7.0 N/mm²[2] 7.0 N/mm²[2] | 450 %[3] 450 %[3] | 25 N/mm[4] 25 N/mm[4] | - - | - - | Resistant to tracking and erosion, Low viscosity | |
WACKER® PRIMER G 790 TOLUENE FREE | - - | - - | - - | - - | - - | - - | - - | Adhesion promoting primer, Solvent-based | |
WACKER® PRIMER G 791 A/B | - - | - - | - - | - - | - - | - - | - - | Adhesion promoting primer, Solvent-based | |
WACKER® SILICONE PASTE P | - - | - - | - - | - - | - - | - - | - - | Lubricant | |
WACKER® SILICONE PASTE P 250 | - - | - - | - - | - - | - - | - - | - - | Lubricant |
[1] Hardness Shore A | DIN ISO 48-4, [2] Tensile strength | ISO 37 type 1, [3] Elongation at break | ISO 37 type 1, [4] Tear strength | ASTM D 624 B, [5] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 6 h / 200 °C, [6] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A, [7] Compression Set | 22 h | 175 °C | DIN ISO 815-1 type B method A | post-cured 4 h / 200 °C, [8] Penetration (Hardness) | DIN ISO 2137 | 150g cone / 60s penetration time, [] Suited, [] Well suited, [] Ideally suited
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POWERSIL® Fluids are low-viscosity silicone fluids that have been specifically optimized for the insulating systems employed in modern transformers. POWERSIL® Fluids are used here for cooling and insulating as well as for high-voltage terminations.
Benefits:
- High heat resistance
- Short-term thermal shock resistance
- Very high, long-term heat resistance
- Use at low temperatures with rated output
- Extremely low dissipation factor
- Minimal change in electrical properties over a wide temperature range
- High flash point
Product Recommendations
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Products
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Product properties
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Suitability
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Specific Features |
Transmission & Distribution
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Transformers
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POWERSIL® FLUID TR 50 | High fire point, High flash point |
[] Suited, [] Well suited, [] Ideally suited