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Baydur® 728 IBS (40 pcf)
| Category: | PUR-MDI , Polyurethane (MDI) |
| Manufacturer: | Covestro - PUR |
| Trademark: | Baydur® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | pU3d4y_Baydur-728-IBS-40-pcf-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Baydur 728 IBS is a high-density polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and internal mold release (IMR). The system is supplied as two reactive liquid components. Component A is a polymeric diphenylmethane diisocyanate (PMDI) and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Baydur 728 IBS system is used in applications requiring a UL94 flammability rating of V-0 and/or 5VA for use in electronic, equipment housing, and appliance markets. The applications typically take advantage of the material's strength, excellent surface finish, and large-part capability. As with any product, use of the Baydur 728 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow (6.35 mm) | 0.70 to 0.90 | % | ASTM D955 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break, 6.35 mm) | 16.5 | MPa | ASTM D638 |
| Tensile Elongation (Break, 6.35 mm) | 9.0 | % | ASTM D638 |
| Flexural Modulus (6.35 mm) | 931 | MPa | ASTM D790 |
| Flexural Strength (6.35 mm) | 31.0 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Unnotched Impact Strength 1 | 13 | kJ/m² | Internal Method |
| Notched Izod Impact (6.35 mm) | 16 | J/m | ASTM D256 |
| Unnotched Izod Impact (6.35 mm) | 110 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (0.45 MPa, Unannealed, 6.35 mm) | 76.0 | °C | ASTM D648 |
| CLTE - Flow (70°C, 6.35 mm) | 1.0E-4 | cm/cm/°C | ASTM D696 |
| Flammability | Nominal Value | Test Method | |
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| Flame Rating (6.35 mm) | V-0 5VA | UL 94 |
| Note Message | |
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| 1 . | 0.25 in |
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