3131S SIKAFAST STRUCTURAL ADHESIVE

3131S SIKAFAST STRUCTURAL ADHESIVE
Sika 713142 SikaFast 3131S Structural Methacrylate Adhesive with Incorporated Spacer Shims 0.027 - 0.033 in ; 12EA/CS

SikaFast®-3131 S - Fast curing, 2-component toughened structural adhesive with shims

PRODUCT BENEFITS

• Strength development within minutes after application
• Superior low-temperature flexibility compared to other structural adhesives
• Spacer for control of bond thickness
• Adhesion to a wide range of substrates without or with limited surface preparation
• High elongation and ductility
• Good strength and impact resistance

Usage

SikaFast®-3131 S 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		SikaFast®-3131 S (A) SikaFast®-3081 N (B)
Chemical base		Methacrylate
Color (CQP001-1)	mixed	Natural White Straw
Cure mechanism		Radical polymerization
Density	mixed (calculated)	0.96 kg/l (8.0 lb/gal) 1.30 kg/l (10.8 lb/gal) 0.99 kg/l (8.3 lb/gal)
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)		7 minutes A
Peak exotherm time / temperature		17 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)		50 %
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