HY563 is a one-component rubber modified polyvinyl chloride sealant, referred to as spot welding sealant. It contains no solvent,no isocyanate, anti-pollution after curing, environmental protection, excellent heat resistance and anti-aging ability.
| Main chemical composition | synthetic rubber |
| Rubber appearance | Pasty, uniform, no precipitation, |
| Density (g/cm3) | No segregation, no foreign matter |
| Sag (mm) | 1.4±0.1 |
| Solid content (%) | ≤2 |
| Curing conditions (160℃, 30min) | ≥98 |
| Cured appearance | Fully cured |
| Shear strength (Mpa) | No chapped, color change |
| Shore hardness (A) | ≥1.0 |
| Conductivity test (MΩ) | 30±10 |
| Over-baking (210℃, 20min) | ≤200 |
| Under-baking (140℃, 20min) | The sample is not brittle or cracked |
| Salt spray resistance (5%NaCl, 720h) | No chapped, color change |
| Pretreatment fluid compatibility | No bubbling, shedding, discoloration, no obvious change in liquid index |
| Electrophoresis fluid compatibility |
Helen