Applications

LORD® 850S and 852S – Structural Acrylic Adhesives – High strength bonding for metals and composites

Item Name: LORD® 850S and 852S with LORD Accelerator 25GB
Manufacturer: Parker LORD
Technologies: Toughened structural acrylic adhesive
Color: Amber paste
Cure Type: Room temperature with LORD Accelerator 25GB
Package Size: Contact to Techniq VN for details.
Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LORD® 850S and 852S are toughened structural acrylic adhesives designed for use with LORD Accelerator 25GB. They are formulated to replace traditional fastening methods such as welding, riveting, or brazing. These adhesives demonstrate outstanding performance in low temperatures and under conditions of high impact, peel, and fatigue. With excellent cohesive failure and superior peel strength, they are well-suited for demanding structural bonding tasks. The inclusion of glass beads in Accelerator 25GB ensures consistent bondline thickness, while the adhesives resist environmental stressors including moisture, oils, solvents, and weathering.


2. Applications

  • Bonding of metals (prepared or unprepared) and engineered plastics.

  • Replacement of mechanical fastening in structural assemblies.

  • High-performance bonding in environments with impact, fatigue, or peel stresses.

  • Applications requiring durability against moisture, solvents, and salt spray.

  • Suitable for vertical and overhead surfaces due to non-sag properties.

3. Typical Properties

Property 850S (Unmixed) 852S (Unmixed) After Mixing with Accelerator 25GB
Appearance Amber Paste Amber Paste Uniform, well-blended mixture
Viscosity @ 25°C (cP, Brookfield) 150,000 – 550,000 150,000 – 550,000 Easily spreadable, cures rapidly
Density (lb/gal / kg/m³) 8.00 – 8.30 / 959 – 995 8.00 – 8.30 / 959 – 995 Maintains consistent bondline due to glass beads
Flash Point (°C/°F) 59 (138) 59 (138) Stable for safe handling during curing

These adhesives cure at room temperature, delivering high strength with elongation that improves impact and fatigue resistance. They withstand temperatures from -40°C to +149°C, tolerate e-coat bake up to 170°C, and resist post-bake/powder coating up to 204°C for short durations. Environmental resistance includes dilute chemicals, oils, solvents, salt spray, and UV exposure.

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