| About |
|---|
| Baydur PUL 4501 is a two-component liquid polyurethane system for use in composite manufacturing. The isocyanate is a modified diphenylmethane diisocyanate (MDI), and the polyol component is a polyether polyol blend. The system has been specially designed for use in pultrusion and gives excellent composite properties, including superior elongation to failure, shear strength and impact resistance. As with any product, use of the Baydur PUL 4501 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PUR-脂肪族+MDI |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High impact resistance,Good Tensile Strength |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.80 | g/cm³ | ASTM D792 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| — | 38600 | MPa | |
| — | 13100 | MPa | |
| tensile strength | |||
| MD, fracture | 814 | MPa | |
| TD, fracture | 79.3 | MPa | |
| Tensile strain | |||
| fracture | 1.5 | % | |
| Bending modulus | |||
| MD | 18600 | MPa | |
| TD | 8960 | MPa | |
| bending strength | |||
| — | 758 | MPa | |
| — | 228 | MPa | |
| Short beam shear strength | |||
| Parallel | 48.3 | MPa | |
| TD | 33.1 | MPa |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | 120 | ℃ | |
| Thermosetting components | |||
| Component A | |||
| Component B | |||
| Gelation time | |||
| 25℃ | 14.0 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Transverse |
| 3. Parallel |
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