3121 SIKAFAST
Product Info
3121 SIKAFAST
Sika 192427 SikaFast-3121 Acrylic Adhesive
SikaFast®-3121 - Fast curing, 2-component toughened structural adhesive
PRODUCT BENEFITS
- Strength development within minutes after application
- Superior low-temperature flexibility compared to other structural adhesives
- Adhesion to a wide range of substrates without or with limited surface preparation
- High elongation and ductility
- Good strength and impact resistance
Usage
SikaFast®-3121 is designed for fast bonding and can replace or complement mechanical fixations such as rivets, screws or welding. It is suitable for high strength fastening of concealed joints and exhibits very good adhesion on different types of substrates including aluminum, stainless or galvanized steel and fiber reinforced polymers. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility.
Packaging
- Dual cartridge 490 ml
| Properties |
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| Chemical base | Methacrylate | ||||
| Color (CQP001-1) |
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| Cure mechanism | Radical polymerization | ||||
| Density |
mixed (calculated) |
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| Mixing ratio | by volume by weight | 10 : 1 7.4 : 1 | |||
| Consistency | Thixotropic paste | ||||
| Application temperature | 10 - 35 °C (50 - 95 °F) | ||||
| Open time (CQP526-2) | 5 minutes A | ||||
| Peak exotherm time / temperature | 10 minutes / 90 °C (194 °F) A | ||||
| Shore D hardness (CQP023-1 / ISO 48-4) | 65 | ||||
| Tensile strength (ASTM D638) | 9 MPa (1300 psi) | ||||
| Elongation at break (ASTM D638) | 80 % | ||||
| E-Modulus (ASTM D638) | elongation 0 - 5 % | 100 MPa (14 500 psi) | |||
| Tensile lap-shear strength (CQP046-6 / ISO 4587) | 10.5 MPa (1500 psi) | ||||
| Service temperature (CQP513-1) | -30 - 80 °C (-22 - 176 °F) | ||||
| Shelf life | drums / pails / cartridges | 9 months B |
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