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Baydur® 645 (20 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: | q6Ynkk_Baydur-645-20-pcf-.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Baydur 645 is a rigid polyurethane structural foam system used in the reaction injection molding (RIM) process. 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. The Baydur 645 system is used to produce foam cores for composite applications, such as water skis, agricultural and construction equipment, and various components for the transportation and marine markets. As with any product, use of the Baydur 645 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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| Uses |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 0.319 | g/cm³ | ASTM D792 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness | ASTM D2240 | ||
| Shore D, 6.35 mm | 37 | ||
| Shore D, 12.7 mm | 39 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | ASTM D638 | ||
| Break, 6.35 mm | 6.07 | MPa | |
| Break, 12.7 mm | 6.21 | MPa | |
| Tensile Elongation | ASTM D638 | ||
| Break, 6.35 mm | 7.0 | % | |
| Break, 12.7 mm | 9.0 | % | |
| Flexural Modulus | ASTM D790 | ||
| 6.35 mm | 303 | MPa | |
| 12.7 mm | 248 | MPa | |
| Flexural Strength | ASTM D790 | ||
| 6.35 mm | 8.27 | MPa | |
| 12.7 mm | 8.96 | MPa | |
| Compressive Strength | ASTM D695 | ||
| 6.35 mm | 6.07 | MPa | |
| 12.7 mm | 3.79 | MPa |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Unnotched Impact Strength 1 | 5.3 | kJ/m² | Internal Method |
| Note Message | |
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| 1 . | 0.5 |
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