Customization: | Available |
---|---|
Bonding Function: | Structural Adhesive |
Morphology: | Paste |
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Sika 20s is a 1-component, neutral-curing structural glazing silicone adhesive with good adhesion to a wide range of substrates.
Chemical base |
1-component silicone |
|
Color (CQP001-1) |
Black |
|
Cure mechanism |
Moisture-curing |
|
Cure type |
Neutral |
|
Density (uncured) |
1.41 kg/l
|
|
Non-sag properties (CQP061-4 / ISO 7390) |
Good |
|
Application temperature |
ambient
|
5 ─ 40 °C
|
Skin time (CQP019-1) |
25 minutes A
|
|
Tack free time (CQP019-3) |
150 minutes A
|
|
Curing speed (CQP049-1) |
see diagram
|
|
Shore A hardness (CQP023-1 / ISO 48-4) |
47 B
|
|
Tensile strength (CQP036-1 / ISO 527) |
2.1 MPa |
|
100 % modulus (CQP036-1 / ISO 527) |
0.6 MPa |
|
Elongation at break (CQP036-1 / ISO 527) |
500 %
|
|
Tear propagation resistance (CQP045-1 / ISO 34) |
12 N/mm |
|
Service temperature |
-40 ─ 150 °C
|
|
Shelf life |
12 months C
|
CQP = Corporate Quality Procedure |
A) 23 °C / 50 % r. h. |
B) after 28 days |
C) storage below 25 °C |