B components and hardeners for condensation silicone
We sell our condensation silicone in sets. However, it may happen that you want to use or combine different hardeners or that you want to order the hardener separately for another reason. All condensation hardeners that we offer are listed here
B 5 - B component for Silicone Condensation 5, 20 and 35 universal
€ 4,78 € 3,95 Excl. tax
✔ Low dosage (5%)
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✔ Low shrinkage (< 0.3 %)
✔ Mixing ratio (Weight) 100:5
✔ Works on most condensation curing siliconesT21 B component for condensation silicone
€ 6,05 € 5,- Excl. tax
✔ 5% dosage
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✔ dry, stretchable result
✔ Can be used neat or mixed
✔ Low shrinkage (< 0.3%)
✔ Better resistance to PU and EpoxyT47 B component for condensation silicone
€ 6,05 € 5,- Excl. tax
✔ Very fast
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✔ Low dosage
✔ Can be used neat or mixed
✔ Retain properties of other hardener at low dosage
✔ Low shrinkage (< 0.3 %)
✔ 5 minutes working time
✔ Mixing ratio (Weight) 100:2T40 B component for condensatie silicone
€ 5,87 € 4,85 Excl. tax
✔ 2-3% dosage
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✔ Medium fast
✔ Can be used pure or mixed
✔ Low shrinkage (< 0.3%)T51 B component for condensatie silicone
€ 6,05 € 5,- Excl. tax
✔ 5% dosage
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✔ dry, stretchy result
✔ Can be used neat or mixed
✔ Low shrinkage (< 0.3%)
✔ Better resistance to polyester
✔ Mixing ratio (Weight) 100:5T37 B component for condensation silicone
€ 5,55 € 4,59 Excl. tax
✔ 3-4% dosage
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✔ dry, stretchable result
✔ Can be used neat or mixed
✔ Low shrinkage (< 0.3%)
✔ Better resistance to PU and Epoxy
✔ Mixing ratio (Weight) 100:5
✔ Long processing timeT35 B component for condensation silicone
€ 5,88 € 4,86 Excl. tax
✔ 5% dosage
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✔ Medium fast
✔ Can be used pure or mixed
✔ Low shrinkage (< 0.3%)T40 Paste B component for condensation silicone
€ 25,24 € 20,86 Excl. tax
✔ 2% dosage
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✔ Medium fast
✔ Can be used pure or mixed
✔ Low shrinkage (< 0.3%)
✔ Mainly used for Elastosil M 1470
Typically, all hardeners for condensation silicone work on all condensation silicone.
There are some exceptions and mixing ratios and properties may also differ if you want to use our hardeners on other condensation silicones.
We always recommend doing a test to determine the correct dosage for your project and silicone.
In this category you will find, in addition to the standard B2, T21, T51 and T47, also the 3081 F and 3081 R as well as the T40 paste, T40 and T37.
We would like to point out that these hardeners are no longer suitable for private use and for companies where employees have not signed a document stating that they are competent to use them. This applies to all hardeners for 2-component condensation silicone from all manufacturers and suppliers.
We are working on a safe mullet for you. Until then, use the mullets at your own risk.
If you need advice, we are happy to help you!
For standard use, condensation B 2% is recommended as a B component. If you want to process polyester in these molds, we recommend using the special B component: Wacker T51 (5%). If you want to process epoxy or polyurethane in these molds, we recommend using the special B component: Wacker T21. (5%). If you want to work very quickly, we recommend using the special B component: Wacker T47 (1-2%). This B component may also be mixed with the original or above B components to achieve a speed of your choice with the properties of the above B components. Processing The silicone Condensation 20 can easily be mixed by hand or machine. Mix the A and B components carefully and in the stated ratio. Condensation B = 2%, so for 100 grams of A you use 2 grams of B2. T21 = 5%, so on 100 grams of A you use 5 grams of T21 T51 = 5%, so on 100 grams of A you use 5 grams of T51 T47 = 1-2%, so on 100 grams of A you use 1 to 2 grams of T47
Here is an overview of the Wacker specific hardeners.
