| About |
|---|
| Bayflex 180 is a high-performance polymer system with excellent heat stability, low moisture absorption, low thermal expansion characteristics and excellent impact resistance. Parts made from this material have excellent surface and paint adhesion qualities and have a DOI (Distinction of Image) comparable to painted steel parts. A wide range of parts can be molded with the Bayflex 180 system, from thin wallstock rocker panels and trim to large, durable body panels and engine enclosures for specialty equipment. As with any product, use of the Bayflex 180 system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability. The Bayflex 180 system is supplied as two reactive liquid components. Component A is a diphenylmethane diisocyanate (MDI) prepolymer and Component B is a polyether polyol.&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | PUR-脂肪族+MDI |
| Material Status | Commercial: Active |
| Features | Good surface appearance,High impact resistance,Sprayable,Low moisture absorption,Heat Stabilized |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.04 | g/cm³ | ASTM D792 , ASTM D1622 |
| Shrinkage rate | |||
| MD | 1.7 | % | Internal Method |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 3.18 mm | 28.3 | MPa | ASTM D638 |
| Fracture, 3.18 mm | 28.3 | MPa | ASTM D412 |
| Tensile strain | |||
| Fracture, 3.18 mm | 130 | % | ASTM D638 |
| Fracture, 3.18 mm | 130 | % | ASTM D412 |
| tear strength | |||
| 3.18 mm | 105 | kN/m | ASTM D624 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 270 | J/m | ASTM D256 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Heat Sag | ASTM D3769 | ||
| 4 in Overhang：121℃，3.18 mm | 177.8 | µm | ASTM D3769 |
| 6 in Overhang：121℃，3.18 mm | 7620.0 | µm | ASTM D3769 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw D, 3.18 mm | 69 | ASTM D2240 | |
| Bending modulus | ASTM D790 | ||
| -30℃，3.18 mm | 1460 | MPa | ASTM D790 |
| 23℃，3.18 mm | 586 | MPa | ASTM D790 |
| 65℃，3.18 mm | 434 | MPa | ASTM D790 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD：3.2 mm | 1.5E-4 | 1/℃ | ASTM D696 |
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 150 | ||
| Component B | 按重量计算的混合比: 100 | ||
| Storage period | |||
| 32℃ | 26 | wk |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
| 3. 105 Index |
| 4. 1 hr |
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