| About |
|---|
| Baydur 730 IBS is a rigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a modified polymeric diphenylmethane diisocyanate (PMDI) prepolymer blend, and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. The Baydur 730 IBS system was designed for general-purpose applications and is used in the construction, agricultural, consumer products, industrial and specialty automotive markets. The applications typically take advantage of the material’s strength, as well as its excellent surface finish, large part capability and good flowability. As with any product, use of the Baydur 730 IBS 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+MDI |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good surface appearance,Good liquidity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.638 | g/cm³ | ASTM D792 |
| Shrinkage rate | ASTM D955 | ||
| MD：6.35 mm | 0.70 to 0.90 | % | ASTM D955 |
| MD：12.7 mm | 0.70 to 0.90 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | Internal Method | ||
| — | 27 | kJ/m² | Internal Method |
| — | 21 | kJ/m² | Internal Method |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 6.35 mm | 94.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 12.7 mm | 90.0 | ℃ | ASTM D648 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shaw D, 6.35 mm | 65 | ASTM D2240 | |
| Shore D, 12.70 mm | 65 | ASTM D2240 | |
| tensile strength | ASTM D638 | ||
| Fracture, 6.35 mm | 18.6 | MPa | ASTM D638 |
| Fracture, 12.70 mm | 17.2 | MPa | ASTM D638 |
| Tensile strain | ASTM D638 | ||
| Fracture, 6.35 mm | 10 | % | ASTM D638 |
| Fracture, 12.70 mm | 12 | % | ASTM D638 |
| Bending modulus | ASTM D790 | ||
| 6.35 mm | 965 | MPa | ASTM D790 |
| 12.70 mm | 896 | MPa | ASTM D790 |
| bending strength | ASTM D790 | ||
| 6.35 mm | 34.5 | MPa | ASTM D790 |
| 12.70 mm | 37.9 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.5 |
| 3. 0.25 in |
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