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Quantum Composites QC-8700 63% Glass Fiber Reinforced Vinyl Ester SMC
| Category | Polymer , Thermoset , Composite SMC , Vinyl Ester |
| Manufacturer | Quantum Composites |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Quantum Composites QC-8700 63% Glass Fiber Reinforced Vinyl Ester SMC.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
QC-8700 is a vinyl ester engineered structural composite molding compound for compression molding of components requiring high structural strength. It exhibits unusual toughness, and is suggested for applications subject to impacts and rough handling. QC-8700 is also suggested for applications requiring excellent fatigue resistance. It exhibits better temperature resistance than QC-8800.Form = Rolls, Festooned SheetColor = Black, NaturalGlass Fiber Content = 63% nominalInformation provided by Quantum Composites.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.87 g/cc | 1.87 g/cc | ASTM D792 |
| Water Absorption | 0.080 % | 0.080 % | ASTM D570 |
| Linear Mold Shrinkage | 0.0010 cm/cm | 0.0010 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Barcol | 68 | 68 | ASTM D2583 |
| Tensile Strength | 344 MPa | 49900 psi | ASTM D638 |
| Tensile Modulus | 26.1 GPa | 3790 ksi | ASTM D638 |
| Flexural Strength | 585 MPa | 84800 psi | ASTM D790 |
| Flexural Modulus | 20.6 GPa | 2990 ksi | ASTM D790 |
| Poissons Ratio | 0.38 | 0.38 | ASTM D638 |
| Izod Impact, Notched | 17.6 J/cm | 33.0 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Glass Transition Temp, Tg | 125 °C | 257 °F | DMA |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 132 - 149 °C @Thickness 12.7 mm |
270 - 300 °F @Thickness 0.500 in |
Compression Molding |
| Clamp Pressure | 2.07 - 6.89 MPa | 300 - 1000 psi | |
| Cure Time | 3.00 - 5.00 min @Thickness 6.35 mm, Temperature 138 °C |
0.0500 - 0.0833 hour @Thickness 0.250 in, Temperature 280 °F |
|
| Shelf Life | 2.00 Month @Temperature 23.9 °C |
2.00 Month @Temperature 75.0 °F |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Fiber Length (in) | 1 | Glass, nominal |
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