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WK 221 is a versatile sealant for kitchens and bathrooms, windows, glass, industrial and vehicle construction; acetate interlinked; strongly adhesive, contains fungicide; permanently elastic and resistant to ageing both internally and externally.
|Base:||Silicone based acetate crosslinking|
|Temperature resistance:||-50 at +120 °C|
|Processing temperature:||+5 at +40 °C|
|Skin over time:||ca. 10-15 min.|
|Curing condition:||ca. 2 mm in 24 h at +23 °C|
|Brakeking strain:||600 %|
|Tensile strenght:||2,0 MPa|
|E modul at 100% elongation:||0,3 MPa|
|Shore hardness: A:||18 +5|
|Shelf life:||12 months|