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Bayflex® XGT-140
| 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: | RltqU9_Bayflex-XGT-140.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Bayflex XGT-140 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. The extended gel time of Bayflex XGT-140 system 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. As with any product, use of the Bayflex XGT-140 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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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.04 | g/cm³ | ASTM D792, ASTM D1622 |
| Molding Shrinkage - Flow (3.18 mm) | 0.85 | % | Internal method |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D, 3.18 mm) | 71 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break, 3.18 mm) | 29.0 | MPa | ASTM D638 |
| Tensile Elongation (Break, 3.18 mm) | 80 | % | ASTM D638 |
| Flexural Modulus | ASTM D790 | ||
| -30°C, 3.18 mm | 1790 | MPa | ASTM D790 |
| 23°C, 3.18 mm | 965 | MPa | ASTM D790 |
| 65°C, 3.18 mm | 345 | MPa | ASTM D790 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Break, 3.18 mm) | 29.0 | MPa | ASTM D412 |
| Tensile Elongation (Break, 3.18 mm) | 80 | % | ASTM D412 |
| Tear Strength 1(3.18 mm) | 123 | kN/m | ASTM D624 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact (3.18 mm) | 240 | J/m | ASTM D256 |
| Instrumented Dart Impact 2 | ASTM D3763 | ||
| -30°C, 3.18 mm | 3.39 | J | ASTM D3763 |
| 23°C, 3.18 mm | 33.9 | J | ASTM D3763 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (0.45 MPa, Unannealed, 3.18 mm) | 55.0 | °C | ASTM D648 |
| CLTE - Flow (3.18 mm) | 1.1E-4 | cm/cm/°C | ASTM D696 |
| Thermoset | Nominal Value | Unit | Test Method |
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| Thermoset Components 3 | |||
| Component a | Mixing ratio by weight: 160, mixing ratio by capacity: 140 | ||
| Component B | Mixing ratio by weight: 100, mixing ratio by capacity: 100 | ||
| Demold Time | 2.0 - 3.0 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Heat Sag - 4 in Overhang 4(121°C, 3.18 mm) | 1.50 | cm | ASTM D3769 |
| Part A Type: Isocyanate Appearance: Light yellow to 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: Viscous liquid Specific Gravity @ 25°C: 1.04 Viscosity @25°C: 550 mPa-s Flash Point PMCC: 110 °C Water: 0.08 wt% Hydroxyl Number: 465 mg KOH/g Molding Parameters Material Temperature: 32 to 38 °C Mold Temperature: 60 to 70 °C Polyol Nucleation - Specific Gravity: 0.75 to 0.80 0 shot time: 11 to 12 sec |
| Note Message | |
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| 1 . | C mould |
| 2 . | 2.24 m/sec |
| 3 . | 1.05 Index |
| 4 . | 1 hr |
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