Epoxy Adhesive Formulations

| Adhesive trade name | Adhesive supplier | Mix ratio, by weight | Curing conditions | Properties |
|---|---|---|---|---|
| Master Bond EP 35 | Master Bond | 100/70 | 24 48 h at RT 1 2 h at 95 C | High strength at 450 500 F |
| Master Bond 21 LV | Master Bond | 100/100 | 24 48 h at RT 1 2 h at 95 C | General-purpose adhesive; good chemical resistance |
| Master Bond EP45HT | Master Bond | 100/30 | 1 h at 65 C plus 2 3 h at l25 150 C | Excellent chemical and temperature resistance; sterilization-resistant |
| Araldite AY103/Hardener HY 991 | Huntsman | 100/40 | 24 h at RT 15 min at 100 C | Low-viscosity, transparent liquid |
| Araldite AV 144-2/Hardener HV997 | Huntsman | 100/60 | 10 h at RT 6 min at 100 C | Paste; tough high strength, good chemical resistance |
| Araldite XB 5308/Hardener XB 5309-1 | Huntsman | 100/100 | 10 h at RT 7 min at 100 C | Thixotropic, nonsagging adhesive that forms resilient bonds to FRP |
| Stycast E 1000 A/B | Emerson and Cuming; National Starch | 100/120 | 3 h at 80 C | Low-viscosity, flexible adhesive; -40 to +65 C service temperature |
| Stycast W 19/Catalyst 9 | Emerson and Cuming; National Starch | 100/12 | 16 24 h at RT l 2 h at 95 C | Very low viscosity (250 cP) |
| Bondmaster 4E90 A/B | Bondmaster | 100/35 | 24 h at RT 4 h at 65 C | Unfilled, general-purpose adhesive; transparent |
| Scotch-Weld 2216 | 3M Company | 2/3 | 24 48 h at RT | General-purpose, flexible epoxy; 8 12 h handling strength |
| Scotch-Weld 3501 | 3M Company | 1/1 | 2 h at RT | Fast cure; 20 30 min handling strength; rigid |
| Scotch-Weld 1751 | 3M Company | 3/2 | 24 h at RT | Long working life; 8 12 h handling strength; rigid |