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WK 321 is extremely versatile. Bonds and seals many industrial, construction, glass, metal and plumbing materials. Acid-free and odourless, permanently elastic and ageing resistant, for indoor and outdoor use, excellent adhesion.
|Base:||Silicone base Neutral crosslinking|
|Temperature resistance:||-40 at +120 °C|
|Processing temperature:||+5 at +40 °C|
|Skin over time:||ca. 10-15 min.|
|Curing condition:||ca. 1 mm in 24 h at +23 °C|
|Brakeking strain:||450 %|
|Tensile strenght:||2,0 MPa|
|E modul at 100% elongation:||0,35 MPa|
|Shore hardness: A:||17 +5|
|Shelf life:||12 months|