双组分环氧底涂，用于碳纤维施工前的基面处理。
双组分低粘度环氧底涂，可渗透并加固混凝土和砌体基面，有效消除气泡，并为后续施工的FIDSTRONG碳纤维加固系统提供高粘结力的过渡层。耐潮、无溶剂、低VOC，FSE 302可在潮湿基面施工，固化后与混凝土的粘结强度超过20 MPa。
| 性能 | 数值 |
|---|---|
| Appearance | A: transparent; B: brown; Mixed: yellow |
| Mix Ratio | A:B = 2:1 by weight |
| Packaging | 20 kg (A) + 10 kg (B) |
| Viscosity | ≤ 600 mPa·s |
| Pot Life (23°C) | 40 min |
| Touch-Dry Time | 2 h |
| Over-coating Window (23°C) | 2–24 h |
| Service Temperature | −5°C to +40°C |
| Tensile Strength | 50 MPa |
| Shear Strength | 45 MPa |
| Bond to Concrete (ASTM C882) | ≥ 20 MPa |
| Coverage | 0.3–0.5 kg/m² (one coat) |
