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Solar Energy
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As a leading manufacturer of polysilicon and a pioneer in silicones, WACKER has been an important partner of the solar industry since its beginning. Today the company offers the solar industry a portfolio of future-proof products along the entire solar value chain.
- Outstanding purity (no other material in the world is produced on an industrial scale with this level of purity)
- Certified according to ISO 9001, ISO 14001, OHRIS and OHSAS
- Complete spectrum of polysilicon products
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Reliable and high-class components for a wide range of photovoltaic applications
Benefits:
- Adhesion to typical substrates (glass, aluminum, Tedlar®, EVA, etc.)
- Neutral crosslinking
- Long-term resistance to weathering and UV
- Easy processing
Product Recommendations
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Products
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Technical data
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Product properties
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Tear strength | Hardness Shore A | Tensile strength | Elongation at break | Product Rheology | Crosslinking Property | Vulcanizate | ||
ELASTOSIL® SOLAR 1101 | - - | 30[1] 30[1] | 2 N/mm²[2] 2 N/mm²[2] | 400 %[3] 400 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 BLACK | - - | 32[1] 32[1] | 2.5 N/mm²[2] 2.5 N/mm²[2] | 420 %[3] 420 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 WHITE | - - | 32[1] 32[1] | 2.3 N/mm²[2] 2.3 N/mm²[2] | 425 %[3] 425 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1200 | 7.1[4] 7.1[4] | 35[1] 35[1] | 2.1 N/mm²[2] 2.1 N/mm²[2] | 250 %[3] 250 %[3] | Shear thinning, Thixotropic, Non-slump | Condensation-curing, Two-component | Self-adhesive, Electrically insulating |
[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, [] Suited, [] Well suited, [] Ideally suited
Benefits:
- Adhesion to typical substrates
- Very high transparency
- Rapid curing
- Long-term resistance to weathering and UV radiation
- No yellowing
Product Recommendations
Sorry, no results are available for your filter criteria and selected country. Please contact one of our sales offices.
Products
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Technical data
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Product properties
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Viscosity, dynamic | Tear strength | Penetration | Hardness Shore A | Hardness Shore 00 | Tensile strength | Elongation at break | Resistance | Regulation | Product Rheology | Crosslinking Property | Vulcanizate | ||
ELASTOSIL® RT 426 | - - | > 4 N/mm[1] > 4 N/mm[1] | - - | 60[2] 60[2] | - - | 4.5 N/mm²[4] 4.5 N/mm²[4] | 120 %[6] 120 %[6] | Heat resistant | - | Flowable | Condensation-curing, Two-component | - | |
ELASTOSIL® RT 563 | - - | 3 N/mm[1] 3 N/mm[1] | - - | 55[2] 55[2] | - - | 4.5 N/mm²[4] 4.5 N/mm²[4] | 120 %[6] 120 %[6] | - | - | Flowable | Condensation-curing, Two-component | - | |
ELASTOSIL® RT 602 A/B | 5000 mPa·s[8] 5000 mPa·s[8] | - - | - - | 30[3] 30[3] | - - | 1.5 N/mm²[5] 1.5 N/mm²[5] | 130 %[7] 130 %[7] | Heat resistant | - | Flowable | Two-component, Addition Curing | - | |
ELASTOSIL® RT 607 A/B | 15000 mPa·s[9] 15000 mPa·s[9] | - - | - - | 55[3] 55[3] | - - | 3 N/mm²[5] 3 N/mm²[5] | 100 %[7] 100 %[7] | Heat resistant | Flame retardant | Flowable | Two-component, Addition Curing | - | |
ELASTOSIL® RT 622 A/B | 18000.0 mPa·s[10] 18000.0 mPa·s[10] | 30 N/mm[1] 30 N/mm[1] | - - | 27[3] 27[3] | - - | 6.5 N/mm²[5] 6.5 N/mm²[5] | 550 %[7] 550 %[7] | - | - | Flowable | Two-component, Addition Curing | - | |
ELASTOSIL® SOLAR 2200 A/B | 22500 mPa·s[11] 22500 mPa·s[11] | 5.5 N/mm[1] 5.5 N/mm[1] | - - | 35[3] 35[3] | - - | 3.5 N/mm²[5] 3.5 N/mm²[5] | 260 %[7] 260 %[7] | UV stable | - | - | Fast curing under heat, Two-component, Addition Curing | - | |
ELASTOSIL® SOLAR 2202 A/B | 1000 mPa·s[12] 1000 mPa·s[12] | - - | 300 1/10mm[14] 300 1/10mm[14] | - - | - - | - - | - - | UV stable | - | - | Two-component | Optically clear | |
ELASTOSIL® SOLAR 2205 | - - | - - | - - | - - | 50[16] 50[16] | - - | - - | - | - | - | - | Highly transparent, Electrically insulating | |
SEMICOSIL® 949 UV A | 150.0 mPa·s[13] 150.0 mPa·s[13] | - - | - - | - - | 40[17] 40[17] | - - | - - | - | - | - | - | - | |
SEMICOSIL® 949 UV B | 150.0 mPa·s[13] 150.0 mPa·s[13] | - - | - - | - - | 40[17] 40[17] | - - | - - | - | - | - | - | - | |
WACKER SilGel® 613 | - - | - - | 70 1/10mm[15] 70 1/10mm[15] | - - | - - | - - | - - | - | - | - | - | - | |
WACKER® PASTE P 12 | - - | - - | - - | - - | - - | - - | - - | - | - | - | - | - |
[1] Tear strength | ASTM D 624 B, [2] Hardness Shore A | ISO 868, [3] Hardness Shore A | DIN ISO 48-4, [4] Tensile strength | ISO 37, [5] Tensile strength | ISO 37 type 1, [6] Elongation at break | ISO 37, [7] Elongation at break | ISO 37 type 1, [8] Viscosity, dynamic | 23 °C | ISO 3219, [9] Viscosity, dynamic | 23 °C | DIN EN ISO 3219, [10] Viscosity, dynamic | 23.0 °C | DIN EN ISO 2555 | Spindle 4; 2,5 UpM; 23 °C, [11] Viscosity, dynamic | 25 °C | ISO 3219, [12] Viscosity, dynamic | 25 °C | DIN EN ISO 3219, [13] Viscosity, dynamic | 25.0 °C | DIN EN ISO 3219, [14] Penetration (150 g hollow cone) | DIN ISO 2137, [15] Penetration (hollow cone, 9.38 g) | DIN ISO 2137, [16] Hardness Shore 00 | ASTM D 2240, [17] Shore 00 | 23 °C | ASTM D 2240 | 10 sec 140 mW/cm² followed by 30 min 150°C, [] Suited, [] Well suited, [] Ideally suited
Benefits:
- Low viscosity and rapid curing
- Low modulus for reducing thermomechanical stress
- Protection of bypass diodes against moisture penetration
- Improved heat dissipation
Product Recommendations
Sorry, no results are available for your filter criteria and selected country. Please contact one of our sales offices.
Products
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Technical data
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Viscosity, dynamic | Pot life | Hardness Shore 00 | ||
ELASTOSIL® CAT UV | 1000 mPa·s[1] 1000 mPa·s[1] | ≥ 1 d[4] ≥ 1 d[4] | - - | |
SEMICOSIL® 949 UV A | 150.0 mPa·s[2] 150.0 mPa·s[2] | - - | 40[5] 40[5] | |
SEMICOSIL® 949 UV B | 150.0 mPa·s[2] 150.0 mPa·s[2] | - - | 40[5] 40[5] | |
SEMICOSIL® 950 UV B | 1000 mPa·s[3] 1000 mPa·s[3] | - - | 40.0[6] 40.0[6] |
[1] Viscosity, dynamic | 25 °C | ISO 3219, [2] Viscosity, dynamic | 25.0 °C | DIN EN ISO 3219, [3] Viscosity, dynamic | DIN EN ISO 3219 | A: SEMICOSIL® 949 UV A; B: SEMICOSIL® 950 UV B, [4] Pot life | Typical Value for 25°C for which doubling of mix viscosity in static mixing tube is referred to, [not exposed to UV light or ambient light, depending on addition curing silicone grade]; No processing with premix recommended, [5] Shore 00 | 23 °C | ASTM D 2240 | 10 sec 140 mW/cm² followed by 30 min 150°C, [6] Hardness Shore 00 | 23 °C | ASTM 2240 / Type 00 | Curing Conditions: 10 sec / 140 mW/cm2 followed by 30 min 150°C; measured@23°C, [] Suited, [] Well suited, [] Ideally suited
Applications:
- Molding of SOG (silicone on glass) Fresnel lenses panels (primary optics)
- Bonding of the secondary optical element to the solar cell
- Effective heat management by bonding the solar chip to the heat sink unit
- Glueing the primary optics and the back panel with the frame
Benefits:
- Excellent adhesion to typical substrates (glass, aluminum, multiple junction cells, etc.)
- Neutral crosslinking
- Long-term resistance to weathering and UV
- No yellowing
- Easy processing and rapid curing
- Outstanding heat resistance
Product Recommendations
Sorry, no results are available for your filter criteria and selected country. Please contact one of our sales offices.
Products
|
Technical data
|
Product properties
|
||||||
---|---|---|---|---|---|---|---|---|
Tear strength | Hardness Shore A | Tensile strength | Elongation at break | Product Rheology | Crosslinking Property | Vulcanizate | ||
ELASTOSIL® SOLAR 1101 | - - | 30[1] 30[1] | 2 N/mm²[2] 2 N/mm²[2] | 400 %[3] 400 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 BLACK | - - | 32[1] 32[1] | 2.5 N/mm²[2] 2.5 N/mm²[2] | 420 %[3] 420 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 WHITE | - - | 32[1] 32[1] | 2.3 N/mm²[2] 2.3 N/mm²[2] | 425 %[3] 425 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1200 | 7.1[4] 7.1[4] | 35[1] 35[1] | 2.1 N/mm²[2] 2.1 N/mm²[2] | 250 %[3] 250 %[3] | Shear thinning, Thixotropic, Non-slump | Condensation-curing, Two-component | Self-adhesive, Electrically insulating | |
ELASTOSIL® SOLAR 3211 | 2.6 N/mm[4] 2.6 N/mm[4] | 54[1] 54[1] | 7.4 N/mm²[2] 7.4 N/mm²[2] | 80 %[3] 80 %[3] | - | Two-component | Highly transparent, Electrically insulating |
[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, [] Suited, [] Well suited, [] Ideally suited
Benefits:
- Outstanding heat and weathering resistance
- Long-term stability to UV radiation
- Particularly suitable for applications involving harsh conditions
Product Recommendations
Sorry, no results are available for your filter criteria and selected country. Please contact one of our sales offices.
Products
|
Technical data
|
Product properties
|
||||||
---|---|---|---|---|---|---|---|---|
Tear strength | Hardness Shore A | Tensile strength | Elongation at break | Product Rheology | Crosslinking Property | Vulcanizate | ||
ELASTOSIL® SOLAR 1101 | - - | 30[1] 30[1] | 2 N/mm²[2] 2 N/mm²[2] | 400 %[3] 400 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 BLACK | - - | 32[1] 32[1] | 2.5 N/mm²[2] 2.5 N/mm²[2] | 420 %[3] 420 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1109 WHITE | - - | 32[1] 32[1] | 2.3 N/mm²[2] 2.3 N/mm²[2] | 425 %[3] 425 %[3] | Thixotropic | - | - | |
ELASTOSIL® SOLAR 1200 | 7.1[4] 7.1[4] | 35[1] 35[1] | 2.1 N/mm²[2] 2.1 N/mm²[2] | 250 %[3] 250 %[3] | Shear thinning, Thixotropic, Non-slump | Condensation-curing, Two-component | Self-adhesive, Electrically insulating |
[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, [] Suited, [] Well suited, [] Ideally suited
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Schematic draw of a parabolic trough plant.
HELISOL® heat transfer fluids allow for a significant power block efficiency increase in large-scale applications and raise the temperature limit up to 425 °C. Moreover, HELISOL® heat transfer fluids have a significantly reduced hydrogen formation during operation compared to organic thermal oils.
Benefits of HELISOL® heat transfer fluids
- Exceptional thermal stability
- Highest max. working temperature: 425 °C
- Very broad temperature range: -40 to 425 °C
- Low pour point: < -40 °C
- Lower hydrogen formation
- Low fouling potential
Product Recommendations
Sorry, no results are available for your filter criteria and selected country. Please contact one of our sales offices.
Products
|
Technical data
|
Product properties
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Appearance | Application Stability | Product Type | Specific Features | ||
HELISOL® 10A | colorless, clear colorless, clear | Stable upon heating | Silicone Fluid, Fluid | Good heat stability, Heat resistant | |
HELISOL® 5A | colorless, clear[1] colorless, clear[1] | Stable upon heating | Silicone Fluid, Fluid | Good heat stability, Heat resistant | |
HELISOL® XA | colorless, clear colorless, clear | Stable upon heating | Silicone Fluid, Fluid | Good heat stability, Heat resistant | |
HELISOL® XLP | clear clear | Stable upon heating | Silicone Fluid, Fluid | Good heat stability, Heat resistant |
[1] Appearance and color