Bayfit® SA 511 (75 Index)
Описание материалов:
Bayfit SA 511 is a system for producing flexible polyurethane foam used as an acoustic countermeasure in various applications including carpet backing, dash insulators, etc. This foam is formulated to meet the necessary adhesive requirements between substrate materials and polyurethane foam, along with NAFTA OEM physical property specifications. This special formulation may be used with either open pour or closed pour mold filling techniques. Bayfit SA 511 is available as a two-component polyurethane system from Covestro.
As with any product, use of Bayfit SA 511 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability.
| Главная Информация | |
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| Используется | |
| Физический | Номинальное значение | Единица измерения | Метод испытания |
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| Удельный вес | 0.0500 | g/cm³ | ASTM D3574A |
| Механические | Номинальное значение | Единица измерения | Метод испытания |
|---|
| Прочность на растяжение 1 | 0.0870 | MPa | ASTM D3574E |
| Удлинение при растяжении 2(Break) | 130 | % | ASTM D3574E |
| Эластомеры | Номинальное значение | Единица измерения | Метод испытания |
|---|
| Комплект сжатия 3 | 13 | % | ASTM D3574D |
| Термокомплект | Номинальное значение | Единица измерения | Метод испытания |
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| Компоненты термокомплекта 4 | | | |
| Component a | Mixing ratio by weight: 54 | | |
| Component B | Mixing ratio by weight: 100 | | |
| Дополнительная информация | Номинальное значение | Единица измерения | Метод испытания |
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| Напряжение деформации сжатия-
40% | 0.00270 | MPa | ISO 3386 |
| Part A
Type: Isocyanate
Appearance: Amber Liquid
Specific Gravity @ 25°C: 1.24
Viscosity @25°C: 30 to 40 mPa-s
Part B
Type: Polyol
Appearance: Opaque liquid
Specific Gravity @ 25°C: 1.02
Viscosity @25°C: 920 mPa-s
Material Temperature: 24 to 30°CMold Temperature: 60 to 70°CDemold Time: 105 to 110 secMold Release Type: Solvent Based or Non-Solvent BasedMachine Reactivity at 25°C
Cream Time: 7 to 9 sec
Top of Cup Time: 17 to 19 sec
String Gel: 30 to 32 sec
Rise Time: 48 to 52 sec
Free-Rise Density: 1.9 to 2.2 lb/ft³ |
| Примечание |
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| 1 . | Suffix T Skin one side |
| 2 . | Suffix T Skin one side |
| 3 . | Ct value |
| 4 . | 85 Index |
