• Item Name: Plexus® HA1820
• Manufacturer: ITW Performance Polymers
• Technologies: Two-component hybrid flexible adhesive
• Color: Mixed – Grey (Part A: Black, Part B: White)
• Cure Type: Ambient temperature / accelerated with heat
• Package Size: 400-ml cartridge, 5-gal Part A, 5-gal Part B
• Shelf Life: 6 months
Plexus® HA1820 is a two-component hybrid flexible adhesive designed for bonding a wide range of dissimilar materials, including metals, composites, thermoplastics (PMMA, ABS, PA66, PC), and glass.
Key Features & Benefits:
High elongation, high peel, and shear strength.
Excellent resistance to thermal shock, ageing, and moisture.
Solvent-free formulation.
Suitable for materials with different coefficients of thermal expansion (CTE).
Service temperature: -40°C to +130°C.
Shelf life: 6–9 months (depending on packaging/storage).
Bonding metals, composites, plastics, and glass where flexibility is required.
Ideal for joining materials with different CTE (thermal expansion).
Suitable for engineering, electronics, automotive, and structural components requiring resistance to thermal cycling and ageing.
| Property | Part A | Part B | Mixed |
|---|---|---|---|
| Appearance | Black | White | Grey |
| Specific Gravity (g/ml, 25°C) | 1.04 | 1.14 | – |
| Viscosity (cP, 25°C) | 100,000 | 30,000 | Moderate |
| Mix Ratio by Volume | – | – | 100:50 |
| Mix Ratio by Weight | – | – | 100:55 |
| Working Time (25°C, min) | – | – | 20–25 |
| % Solids by Volume | – | – | 100 |
| Shelf Life (months) | – | – | 6–9 |
| Property | Value | Notes |
|---|---|---|
| Density | 1.08 g/cm³ | – |
| Hardness | Shore A 78 | – |
| Tensile Strength | 7.6 MPa | ASTM D638 |
| Elongation at Break | 300 % | ASTM D638 |
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