Category: | PUR-Ether/MDI , Polyurethane (Polyether, MDI) |
Manufacturer: | Covestro - PUR |
Trademark: | Bayflex® |
Fillers: | - |
Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
Delivery Terms | FOB, CIF, DAP, DAT, DDP |
PDF: | zmkr8v_Bayflex-XGT-80-15-Glass-.pdf ![]() |
PRICE: | Order Products email sales@su-jiao.com |
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Bayflex XGT-80 is an elastomeric polyurethane system used in the reaction injection molding (RIM) process. The system is supplied as two liquid components: Component A is a modified diphenylmethane diisocyanate (MDI), and Component B is a polyether polyol system. Note: The polyol component phase-separates upon standing and must be thoroughly mixed via mechanical means prior to use. The extended gel time of Bayflex XGT-80 gives equipment designers the flexibility to create large, complex parts that can be molded on existing injection machinery. The resin's excellent surface quality and high impact resistance make it a candidate for agricultural equipment, heavy-duty trucks, specialty transportation, and marine applications. |
General Information | |
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Processing Method |
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Physical | Nominal Value | Unit | Test Method |
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Specific Gravity | 1.15 | g/cm³ | ASTM D792, ASTM D1622 |
Molding Shrinkage - Flow (3.18 mm) | 0.55 - 0.65 | % | Internal method |
Hardness | Nominal Value | Unit | Test Method |
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Durometer Hardness (Shore D, 3.18 mm) | 70 | ASTM D2240 |
Mechanical | Nominal Value | Unit | Test Method |
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Tensile Strength (Break, 3.18 mm) | 26.2 | MPa | ASTM D638 |
Tensile Elongation (Break, 3.18 mm) | 75 | % | ASTM D638 |
Flexural Modulus | ASTM D790 | ||
-30°C, 3.18 mm | 1930 | MPa | ASTM D790 |
23°C, 3.18 mm | 1170 | MPa | ASTM D790 |
70°C, 3.18 mm | 538 | MPa | ASTM D790 |
Elastomers | Nominal Value | Unit | Test Method |
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Tear Strength 1(3.18 mm) | 114 | kN/m | ASTM D624 |
Impact | Nominal Value | Unit | Test Method |
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Notched Izod Impact (3.18 mm) | 270 | J/m | ASTM D256 |
Instrumented Dart Impact 2 | ASTM D3763 | ||
-30°C, 3.18 mm | 2.71 | J | ASTM D3763 |
23°C, 3.18 mm | 7.73 | J | ASTM D3763 |
Thermal | Nominal Value | Unit | Test Method |
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CLTE - Flow (3.18 mm) | 5.6E-5 | cm/cm/°C | ASTM D696 |
Thermoset | Nominal Value | Unit | Test Method |
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Thermoset Components 3 | |||
Component a | Mixing ratio by weight: 140, mixing ratio by capacity: 120 | ||
Component B | Mixing ratio by weight: 100, mixing ratio by capacity: 100 | ||
Shelf Life 4(32°C) | 26 | wk | |
Demold Time | 1.5 | min |
Additional Information | Nominal Value | Unit | Test Method |
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Heat Sag - 4 in Overhang 5(121°C, 3.18 mm) | 9.91 | mm | ASTM D3769 |
Part A Type: Isocyanate Appearance: Colorless to straw yellow liquid Specific Gravity @ 25°C: 1.21 Viscosity @25°C: 700 mPa-s Flash Point PMCC: 213 °C NCO: 22.6 - 23.1 % Part B Type: Polyol Appearance: Pale green to amber liquid Specific Gravity @ 25°C: 1.04 Viscosity @25°C: 550 mPa-s Flash Point PMCC: 112 °C Water: <0.09 wt% Molding Parameters Material Temperature - Component A: 32 to 38 °C Material Temperature - Component B: 43 to 49 °C Mold Temperature: 66 to 71 °C Polyol Nucleation - Specific Gravity: 0.9 0 shot time: 10 sec |
Note Message | |
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1 . | C mould |
2 . | 2.24 m/sec |
3 . | 1.05 Index |
4 . | 0.125 in |
5 . | 1 hr |
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