BAYDUR® PUL 4501 by Covestro is a two-component (modified diphenylmethane diisocyanate (MDI) and polyether polyol) liquid polyurethane grade. Offers superior elongation to failure, shear strength and impact resistance. BAYDUR® PUL 4501 is suitable for processing by pultrusion. It is used in composite manufacturing.
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BAYDUR® PUL 4501 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flexural Modulus, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Modulus, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Strength, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Short Beam Shear, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Short Beam Shear, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength, Ultimate, MD | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength, Ultimate, TD | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Sample Thickness | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
BAYDUR® PUL 4501 Processing Guidelines
Pultrusion Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Center Die Temperature Zone | Visible After Login | Visible After Login | |
| Entry Die Temperature Zone | Visible After Login | Visible After Login | |
| Exit Die Temperature Zone | Visible After Login | Visible After Login | |
| Gel Time, at 25°C | Visible After Login | Visible After Login | |
| Mixing Ratio, Isocyanate/Polyol | Visible After Login | Visible After Login | |
| Mixing Ratio, Isocyanate/Polyol | Visible After Login | Visible After Login | |
| Pulling Speed | Visible After Login | Visible After Login | |