| Category: | PUR-MDI , Polyurethane (MDI) |
| Manufacturer: | Covestro - PUR |
| Trademark: | Baydur® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | rgs3Y2_Baydur-728-IBS-55-pcf-.pdf |
| PRICE: | Order Products email sales@su-jiao.com |
| Message |
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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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| Additive |
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| Features |
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| Uses |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow (6.35 mm) | 0.70 to 0.95 | % | ASTM D955 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | ASTM D638 | ||
| Break, 3.18 mm | 22.8 | MPa | |
| Break, 3.96 mm | 35.2 | MPa | |
| Break, 6.35 mm | 30.4 | MPa | |
| Tensile Elongation | ASTM D638 | ||
| Break, 3.18 mm | 6.0 | % | |
| Break, 3.96 mm | 10 | % | |
| Break, 6.35 mm | 9.0 | % | |
| Flexural Modulus | ASTM D790 | ||
| 3.18 mm | 1540 | MPa | |
| 3.96 mm | 1760 | MPa | |
| 6.35 mm | 1650 | MPa | |
| Flexural Strength | ASTM D790 | ||
| 3.18 mm | 55.8 | MPa | |
| 3.96 mm | 68.2 | MPa | |
| 6.35 mm | 58.6 | MPa |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Unnotched Impact Strength | |||
| -- 1 | 19 | kJ/m² | Internal Method |
| -- 2 | 25 | kJ/m² | Internal Method |
| Notched Izod Impact | ASTM D256 | ||
| 3.18 mm | 21 | J/m | |
| 3.96 mm | 27 | J/m | |
| 6.35 mm | 27 | J/m | |
| Unnotched Izod Impact | ASTM D256 | ||
| 3.18 mm | 160 | J/m | |
| 3.96 mm | 210 | J/m | |
| 6.35 mm | 160 | J/m |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed, 3.18 mm | 70.0 | °C | |
| 0.45 MPa, Unannealed, 3.96 mm | 80.0 | °C | |
| 0.45 MPa, Unannealed, 6.35 mm | 100 | °C | |
| CLTE - Flow | ASTM D696 | ||
| 70°C, 3.18 mm | 1.1E-4 | cm/cm/°C | |
| 70°C, 3.96 mm | 1.0E-4 | cm/cm/°C | |
| 70°C, 6.35 mm | 9.0E-5 | cm/cm/°C |
| Flammability | Nominal Value | Test Method | |
|---|---|---|---|
| Flame Rating | UL 94 | ||
| 3.18 mm | V-0 5VA | ||
| 3.96 mm | V-0 5VA | ||
| 6.35 mm | V-0 5VA |
| Note Message | |
|---|---|
| 1 . | 0.25 in |
| 2 . | 0.156 in |
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|---|---|---|---|
| Vexel PBT B12U | Custom Resins Group | PBT | Vexel |
| Mytex® AS33L-07V | Mytex Polymers | PP, Unspecified | Mytex® |
| NuSil CV-2289-1 | NuSil Technology | Silicone | NuSil |
| apilon 52c® C PC ESC 64 | API SpA | TPU-PC | apilon 52c® |
| PENTAMID A MK40 H black | PENTAC Polymer GmbH | Nylon 66 | PENTAMID A |