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Lytex 4129
| Category: | Epoxy , Epoxy; Epoxide |
| Manufacturer: | Quantum Composites Inc. |
| Trademark: | Lytex |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | woKaux_Lytex-4129.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Lytex 4129 is a high performance, glass fiber reinforced epoxy sheet molding compound designed for military and aerospace structural applications requiring excellent mechanical properties, retention of properties at elevated temperatures, good chemical resistance and excellent electrical properties. It is the longer-shelf-life version of Lytex 9063. It can be stored for several weeks at room temperature, although long-term storage is still recommended at 0°F. Lytex 4129 has a softer sheet with longer flow. Overall handling and resultant physical properties are similar to those of Lytex 9063. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.82 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | 0.10 | % | ASTM D955 |
| Water Absorption (24 hr) | 0.070 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 262 | MPa | ASTM D638 |
| Flexural Modulus | 16500 | MPa | ASTM D790 |
| Flexural Strength | 441 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 1900 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 302 | °C | ASTM D648 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Volume Resistivity | 3.0E+14 | ohms·cm | ASTM D257 |
| Dielectric Strength | 20 | kV/mm | ASTM D149 |
| Dielectric Constant (100 Hz) | 4.30 | ASTM D150 | |
| Dissipation Factor (100 Hz) | 8.0E-3 | ASTM D150 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life (-18°C) | 26 | wk | |
| Demold Time (138°C) | 5.0 to 10 | min |
| Injection | Nominal Value | Unit | |
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| Mold Temperature | 132 to 166 | °C |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| RTP 1685 | RTP Company | PAS | RTP |
| Verolloy DR210 | PlastxWorld Inc. | PC+SMA | Verolloy |
| BMC 680 | Bulk Molding Compounds, Inc. | Polyester, TS | BMC |
| Evoprene™ COGEE 631 | AlphaGary | SEBS | Evoprene™ COGEE |
| LEXAN™ ML6411 resin | SABIC Innovative Plastics Europe | PC | LEXAN™ |
