KA520 · Automotive glass bonding
KA520 High-Strength Windscreen Adhesive
Higher-modulus grade for bus and coach glazing.
- Model
- KA520
- Packs
- 310 ml · 400 / 600 ml · 200 L / 250 kg
- Tensile strength
- 4.5
- Elongation at break
- 450
What it is
One-component moisture-curing high-strength polyurethane windshield adhesive. Excellent bonding and sealing, solvent-free, no bubbles, no corrosion or staining of substrates, high adhesion and hardness after cure, water and ageing resistant.
Specification
| Test | Standard | Typical value | Method |
|---|---|---|---|
| Appearance | — | Black homogeneous paste | — |
| Density (g/cm³) | 1.4±0.1 | 1.41 | GB/T 13477.2 |
| Sag resistance (mm) | ≤0.5 | 0 | GB/T 13477.6 |
| Skin time (min) | 30–50 | 40 | GB/T 13477.5 |
| Cure rate (mm/day) | ≥3.0 | 3.2 | HG/T 4363 |
| Volatile content (%) | ≤2 | 1 | GB/T 2793 |
| Shore A hardness | 55–65 | 60 | GB/T 531.1 |
| Tensile strength (MPa) | ≥4 | 4.5 | GB/T 528 |
| Elongation at break (%) | ≥400 | 450 | GB/T 528 |
| Tensile shear strength (MPa) | ≥3.0 | 3.5 | GB/T 7124 |
| Extrusion rate (ml/min) | ≥60 | 70 | GB/T 13477.4 |
Typical values from the printed catalogue, transcribed as printed. Where the catalogue printed a unit that does not fit the value (density in g/m³), the page shows g/cm³ — see the note below.
Catalogue notes.
- Same g/m³ typesetting error: at 1.41 the unit should be g/cm³.
Packaging
| Format | Size | Carton / unit |
|---|---|---|
| cartridge | 310 ml | 12 / 20 / 24 pcs |
| sausage | 400 / 600 ml | 20 pcs |
| barrel | 200 L / 250 kg | — |
Where it is used
- Bonding of windscreens and side glass to the body on cars, buses and special vehicles
The rest of the family
Further reading
Windscreen adhesive: the specification guide — the guide this model belongs to
Ordering. Send the model, quantity, pack format and destination — we reply with
FOB/CIF pricing, lead time and the documents your customs broker will ask for.
Email a quote request or write to ryan@pu-karmind.net.