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SIKAFAST3121A DARK GY DR 45GAL

SIKAFAST3121A DARK GY DR 45GAL
Item #: 86920544

Product Info

189320
SIKA

SIKAFAST3121A DARK GY DR 45GAL
Sika 189320 SikaFast-3121 (A) Dark Gray Dr 45GAL = 1 Each

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

SikaFast®-3121 (A)

SikaFast®-3081 N (B)

Chemical base

Methacrylate

Color (CQP001-1)



Mixed

Dark Gray

Natural

White

Dark Gray, 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)

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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