Description
LORD® 7800 adhesive is an equal-mix, two-component urethane adhesive system used to bond composites,SMC and plastics with little surface preparation. This adhesive will also bond painted metals, such as powder-coated, primed and e-coated. LORD 7800 adhesive system offers a range of working times by shifting between LORD 7800 curatives, accommodating a wide variety of process requirements while retaining the same mechanical and adhesion properties.
Shelf Life
Shelf life of each component is six months when stored in a clean, dry environment at 65-85°F (18-30°C) in original, unopened container.
After opening, protect adhesive from excessive exposure to moisture by installing desiccant cartridges and/or using dry nitrogen as an inert cover.
Features and Benefits
Rapid Cure Strength – provides rapid, outstanding cure strength development, allowing for faster manufacturing and processing.
Consistent Cure Speeds – low exotherm cure (rate of cure less affected by bondline thickness).
Low Tooling Temperature – allows accelerated cure with low heat up to 220°F (104°C), eliminating quality issues from ‘cold spots’ seen with other adhesives.
Enhanced Regulatory Profile – free of heavy metals.
Environmentally Recommended – does not contain ozone depleting chemicals.
Environmentally Resistant – resists weathering, humidity and salt spray.
Non-Sag – remains in position when applied on vertical or overhead surfaces, allowing for greater process flexibility.
| LORD 7800A Resin – Typical Properties* | |
| Appearance | Black Liquid |
| Viscosity, cP @77°F (25°C) | 20,000 |
| Density, lb/gal (kg/m3) | 11.3-11.6 (1357-1393) |
| Flash Point, °F (°C) Closed Cup |
>200 (>93) |
| LORD 7800C Curative- Typical Properties* | |
| Appearance | Tan Liquid |
| Viscosity, cP @ 77°F (25°C) | 35,000 |
| Density, lb/gal (kg/m3) | 10.2 -10.7 (1224 -1285) |
| Flash Point, °F (°C) Closed Cup |
>200 (>93) |
| Work Time, min @ 75°F (24°C) | 3 |
| Time to Handling Strength, min @ 75°F (24°C) | 12 |
| Cure Time, hr | 24 |
| 50 ml | 200 ml | 600 ml |
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