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| Physical properties of TEVOE PA12 MT90 | |||||
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The characteristics of MT90
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| High transparency, high rebound elasticity, low shrinkage, good performance, anti impact fatigue durability of durable, chemical properties, high dimensional stability | |||||
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The main application of MT90
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High function products MT90 is mainly applied to optical and plastic injection molding, which comprises a spectacle |
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| Property | Method | Condition | Unit | Value | |
| Specific gravity | ISO1183 | g/cm3 | 1.03 | ||
| Total light transmittance | ISO13468 | 3mm | % | 90 | |
| Haze | ISO14782 | 3mm | % | <1 | |
| Refractive index | ISO 489 | nd | - | 1.23 | |
| water absorption | ISO 62 | 24hr | % | 0.3-0.5 | |
| Heat distortion temperature | ISO75-2 | 1.8Mpa | ℃ | 120 | |
| Tensile strength | ISO527-2 | 1A/5 | Mpa | 78 | |
| Elongation | ISO527-2 | 1A/5 | % | 200 | |
| Izod impact strength | JIS D7110 | 1A | J/m | 760 | |
| Flesural Modulus | DIS K7111 | 1eA V notched | Pma | 1760 | |
| Shore hardness,methld A | ISO868 | A/D | 82 | ||
| Thes values mentioned above are average values and shuold not be used for guaranteed specification purpose. | |||||
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| Physical properties of TEVOE PA12 MT90 | |||||
| Processing conditions for test specirnens | |||||
| Injection | Nominal Value Unit | ||||
| Drying Temperature | 90-100 ℃ (Vacuum dryer) | ||||
| Drying time | 6 to 10 HR | ||||
| Suggested Max Moisture | <0.1% | ||||
| Processing(Melt)Temp | 235 to 270 ℃ | ||||
| Imjection Pressure | Medium to high speed | ||||
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The matters needing attention:
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MT90 in the factory has been fully dry, moisture content of less than 0. 1%, packaging in the vacuum bag, without drying can directly produce. |
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| If the package is damaged material exposure time in the air for too long. MT90 will suck the moisture in the air, moisture content of material is too high, in the injection process, will cause the material overflow in the molten state. The formation of water streak on the surface of the product. At this time, must carry out the drying process: 100 degree vacuum drying 6-10 hours. | |||||
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