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ELASTOSIL® AUX SB BATCH 2 is an additive for ELASTOSIL® R Silicone Rubber formulations to make them flame retardant.


ELASTOSIL® AUX SB BATCH 2 is a smooth paste, which can be easily incorporated into Silicone Rubber. The addition of ELASTOSIL® AUX SB BATCH 2 leads to increased flame retardance. ELASTOSIL® AUX SB BATCH 2 is halogen free.
ELASTOSIL® AUX SB BATCH 2 is incorporated Silicone Rubber Formulations in quantities between 0,5 to 3%. Depending on the proportion this normally leads to an increase in hardness between 0 and 10 points and to slight changes in mechanical and other properties. ELASTOSIL® AUX SB BATCH 2 is available in 1 l and 30 l containers. Before processing one has to stir the batch thoroughly in order to compensate sedimentation. The ideal addition for the limiting oxygen indes (LOI) is 2.2 Gew.%.
ELASTOSIL® AUX SB BATCH 2 is incorporated into ELASTOSIL® R Silicone Rubber Formulations to improve flame retardance of moulded parts or extrudates. The proportion is 2.2 parts per 100 parts. ELASTOSIL® AUX SB BATCH 2 is compatible with most ELASTOSIL® PT pigment pastes. In single cases these and/or fillers might require an adjustment of the concentration.


The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons. Any contact with sulphur and/or nitrogen compounds might impair the function of the additive and should be avoided.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 (Phone)
+49 711 61942-61  (Fax)

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