(Known as Loctite 331 Structural Adhesive )

LOCTITE® AA 331 Structural Adhesive is a two step acrylic, toughened, activator-cure adhesive. It is acid-free, non-corrosive to sensitive parts, fixtures in 20 seconds and develops full strength in 30 minutes. Excellent high temperature resistance. Ideal for bonding close-fitting metals and magnets. LOCTITE AA 331 is the recommended replacement for LOCTITE 30-Second Bonder. Learn more about LOCTITE Structural Adhesives by clicking on any of the links below: Structural Adhesives Overview
Strength vs. Cost Analysis
Fatigue Data
Bonds vs. Bolts Comparison

Technical Data Sheets (TDS)

Loctite AA 331 (Loctite 331)

Product information

IDH# Item Name Size
Case Quantity
Safety Data Sheets
1057673 1057673 LOCTITE AA 331
25 ml syringe
10 / case
1057674 1057674 LOCTITE AA 331
1 l bottle
10 / case
1062124 1062124 LOCTITE AA 331
10 l pail
1 / case