Chemlok 487 A/B Adhesive
A two-component bonding solution specifically designed for bonding thermoplastic elastomers (TPEs) to metals, glass, plastics, and other elastomers during injection molding processes.
Product Overview
Chemlok 487 A/B features fast drying, exceptional durability, and versatile application capabilities for industrial bonding applications.
Technical Specifications
| Property |
Chemlok 487A |
Chemlok 487B |
| Appearance |
Clear to Yellow Liquid |
Clear to Cloudy Water-thin Liquid |
| Viscosity, cps @ 25°C |
100-350 |
1-10 |
| Density (kg/m³) |
860-910 |
780-820 |
| Density (lb/gal) |
7.2-7.6 |
6.5-6.8 |
| Solids Content, wt% |
12.6-15 |
1-2 |
| Solids Content, vol% |
11-12 |
1-2 |
| Flash Point, °C |
27 (81°F) |
15 (60°F) |
| Solvent |
Xylene |
Methyl Isobutyl Ketone (MIBK) |
| Mix Ratio (by Weight) |
100 |
13.6 |
| Mix Ratio (by Volume) |
100 |
15.0 |
Product Features
- Provides bond strength equal to or greater than the elastomer being molded
- Fast-drying formulation suitable for spray application over large areas
- Accelerates solvent evaporation and shortens drying time
- Mixed working life of approximately one week at room temperature
- Recommended dry film thickness: 17.8-25.4 microns for optimal bonding
Application Guidelines
Components must be mixed in specified ratios before application. Can be applied by dip, brush, or spray methods. For glass substrates, use Chemlok 144 primer prior to adhesive application. Components are moisture-sensitive and should be stored at 21-27°C. If 487A develops gel-like consistency, heat above 49°C and shake to restore homogeneous liquid state.
Industry Applications
Widely used in automotive parts (seals, damping pads), electronic equipment (waterproof seals, cable joints), household appliances (handles, gaskets), and industrial products (conveyor belts, hoses). Excellent performance in insert molding processes with TPEs such as Santoprene® and Kraton, capable of withstanding harsh environmental conditions.
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