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Silicone Sealants
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Chemical structure of a polydimethylsiloxane – the basis of silicone sealants
Silicone sealants are supplied as one-part, ready-to-use systems. They consist of polydimethylsiloxane, curing agent, fillers and additives. After a sealant has been applied, crosslinking starts on contact with atmospheric moisture, releasing byproducts. Crosslinking starts with the formation of a skin on the surface of the applied silicone rubber and gradually progresses into the interior of the compound. Depending on the nature of the crosslinker, a small amount of an amine, acetic acid or a neutral compound, such as alcohol, is released during vulcanization.
Thanks to their outstanding properties, RTV-1 silicone sealants solve a wide variety of sealing, bonding and coating problems. Their excellent resistance to weathering and aging is the result of special chemical properties.
WACKER is a completely backward-integrated company that combines being a reliable partner with the ability to offer consistently high quality alongside customer proximity. Providing all-in-one solutions, our extensive portfolio ranges from raw materials right through to ready-to-use sealants available in various container sizes or supplied in drums or as cartridges.
WACKER Trademarks:
- ELASTOSIL®
Properties:
- Excellent weathering and aging resistance
- Outstanding UV and high-temperature resistance
- Constant stress-strain values at extreme temperatures (–30 °C to 80 °C)
- Flexible over a wide temperature range (–40 °C to 150 °C).
Applications:
- Sanitary sealants
- General-purpose construction sealants
- Glazing, windows and doors
- Sealing joints
- Natural stone joints
- Construction of aquariums
- High-temperature and fire-safety joints
- Sealants for food-contact applications
Product Recommendations
Products
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Technical data
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Product properties
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Viscosity, dynamic | Boiling point | Movement capability | Flash point | Skin | Hardness Shore A | Density | Amine number | Modulus at 100 % elongation | Product Type | Crosslinking Property | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[5] 20 min[5] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[5] 20 min[5] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | Suitable for use in sanitary areas | Acetoxy-cure | ||
- - | - - | - - | - - | 15 min[5] 15 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.55 N/mm²[9] 0.55 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 20 min[5] 20 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.45 N/mm²[9] 0.45 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 15 min[5] 15 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[6] 20 min[6] | - - | 1.01 g/cm³[8] 8.429 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 20 min[6] 20 min[6] | - - | 1.01 g/cm³[8] 8.429 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[5] 20 min[5] | - - | 1.01 g/cm³[8] 8.429 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | Suitable for use in sanitary areas | Acetoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 20 min[5] 20 min[5] | - - | 1.01 g/cm³[8] 8.429 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
- - | - - | 12.5 %[2] 12.5 %[2] | - - | 25 min[5] 25 min[5] | - - | 0.98 g/cm³[8] 8.178 lb/gal[8] | - - | 0.36 N/mm²[9] 0.36 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 12.5 %[2] 12.5 %[2] | - - | 25 min[5] 25 min[5] | - - | 0.98 g/cm³[8] 8.178 lb/gal[8] | - - | 0.36 N/mm²[9] 0.36 N/mm²[9] | Suitable for use in sanitary areas | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 25 min[5] 25 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 25 min[5] 25 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | Suitable for use in sanitary areas | Alkoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 15 min[7] 15 min[7] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 50 %[3] 50 %[3] | - - | 20 min[5] 20 min[5] | - - | 1.40 g/cm³[8] 11.684 lb/gal[8] | - - | 0.40 N/mm²[9] 0.40 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 35 %[3] 35 %[3] | - - | 25 min[5] 25 min[5] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | - - | - - | - - | 15 15 | 1.01 g/cm³[8] 8.429 lb/gal[8] | - - | 0.33 N/mm²[10] 0.33 N/mm²[10] | - | - | ||
- - | - - | 35 %[3] 35 %[3] | - - | 25 min[5] 25 min[5] | - - | 1.02 - 1.03 g/cm³[8] 8.512 - 8.596 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | Suitable for use in sanitary areas | Alkoxy-cure | ||
- - | - - | 50 %[4] 50 %[4] | - - | 25 min[5] 25 min[5] | - - | 1.02 - 1.03 g/cm³[8] 8.512 - 8.596 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | - | - | ||
- - | - - | 25 %[2] 25 %[2] | - - | 15 min[7] 15 min[7] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 12.5 %[2] 12.5 %[2] | - - | 25 min[5] 25 min[5] | - - | 1.00 g/cm³[8] 8.345 lb/gal[8] | - - | 0.37 N/mm²[11] 0.37 N/mm²[11] | - | Alkoxy-cure | ||
- - | - - | 12.5 %[2] 12.5 %[2] | - - | 25 min[5] 25 min[5] | - - | 1.0 g/cm³[8] 8.345 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | Suitable for use in sanitary areas | Alkoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[5] 20 min[5] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 20 min[5] 20 min[5] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | Suitable for use in sanitary areas | Acetoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 25 min[5] 25 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 25 %[1] 25 %[1] | - - | 25 min[5] 25 min[5] | - - | 1.03 g/cm³[8] 8.596 lb/gal[8] | - - | 0.38 N/mm²[9] 0.38 N/mm²[9] | Suitable for use in sanitary areas | Alkoxy-cure | ||
- - | - - | 50 %[3] 50 %[3] | - - | 20 min[5] 20 min[5] | - - | 1.40 g/cm³[8] 11.684 lb/gal[8] | - - | 0.40 N/mm²[9] 0.40 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 15 min[7] 15 min[7] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | 25 %[2] 25 %[2] | - - | 15 min[7] 15 min[7] | - - | 1.02 g/cm³[8] 8.512 lb/gal[8] | - - | 0.35 N/mm²[9] 0.35 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | ± 50 %[3] ± 50 %[3] | - - | 20 min[5] 20 min[5] | - - | 1.40 g/cm³[8] 11.684 lb/gal[8] | - - | 0.40 N/mm²[9] 0.40 N/mm²[9] | - | Alkoxy-cure | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
- - | - - | 50 %[4] 50 %[4] | - - | 25 min[5] 25 min[5] | - - | 1.02 - 1.03 g/cm³[8] 8.512 - 8.596 lb/gal[8] | - - | 0.37 N/mm²[9] 0.37 N/mm²[9] | Suitable for use in sanitary areas | Alkoxy-cure | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
20 - 40 mPa·s 20 - 40 mPa·s | - - | - - | > 100 °C > 212 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 100 mPa·s approx. 100 mPa·s | - - | - - | > 100 °C > 212 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | 48 °C 118.4 °F | - - | - - | - - | approx. 2.5 approx. 2.5 | - - | - | - | ||
approx. 7 mPa·s approx. 7 mPa·s | - - | - - | 55 °C 131 °F | - - | - - | - - | - - | - - | - | - | ||
15 - 40 mPa·s 15 - 40 mPa·s | - - | - - | > 100 °C > 212 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | 38 °C 100.4 °F | - - | - - | - - | - - | - - | - | - | ||
2 - 5 mPa·s 2 - 5 mPa·s | - - | - - | approx. 10 °C approx. 50.0 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | 48 °C 118.4 °F | - - | - - | - - | - - | - - | - | - | ||
- - | 236 °C 456.8 °F | - - | - - | - - | - - | - - | - - | - - | - | - | ||
- - | 148 °C 298.4 °F | - - | approx. 72 °C approx. 161.6 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
6 - 9 mPa·s 6 - 9 mPa·s | - - | - - | > 100 °C > 212 °F | - - | - - | - - | - - | - - | - | - | ||
6 - 8 mPa·s 6 - 8 mPa·s | - - | - - | 125 °C 257 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | 11 °C 51.8 °F | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | 11 °C 51.8 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 6000 mPa·s approx. 6000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
95 - 105 mPa·s 95 - 105 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
approx. 1000 mPa·s approx. 1000 mPa·s | - - | - - | 348 °C 658.4 °F | - - | - - | - - | - - | - - | - | - | ||
15 - 50 mPa·s 15 - 50 mPa·s | - - | - - | approx. 120 °C approx. 248 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 8000 mPa·s approx. 8000 mPa·s | - - | - - | 83 °C 181.4 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 100000 mPa·s approx. 100000 mPa·s | - - | - - | 90 °C 194 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 110000 mPa·s approx. 110000 mPa·s | - - | - - | 90 °C 194 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 57000 mPa·s approx. 57000 mPa·s | - - | - - | 90 °C 194 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 60000 mPa·s approx. 60000 mPa·s | - - | - - | 90 °C 194 °F | - - | - - | - - | - - | - - | - | - | ||
approx. 120000 mPa·s approx. 120000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
approx. 20000 mPa·s approx. 20000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
approx. 305000 mPa·s approx. 305000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
approx. 50000 mPa·s approx. 50000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
- - | - - | - - | - - | - - | - - | - - | - - | - - | - | - | ||
approx. 75000 mPa·s approx. 75000 mPa·s | - - | - - | - - | - - | - - | - - | - - | - - | - | - |
[1] Movement capability | ISO 11600 / EN 15651, [2] Movement capability | ISO 11600, [3] Movement capability | ASTM C920, [4] Movement capability | ISO 9047, [5] Skin forming time | 23 °C | 50 % r.h , [6] Skin Skin forming time | 23 °C | 50 % r.h , [7] Skin formating time | 23 °C | 50 % r.h , [8] Density | 23 °C | ISO 1183-1 A, [9] Modulus at 100 % elongation | ISO 8339-A, [10] Modulus at 100 % elongation | 100 % | 23 °C | 50 % r.h | ISO 37, [11] Modulus at 100 % elongation | ISO 8339