About |
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Selenis Geo LF 451 is a polymer that has been designed for high performance monofilament extrusion and fiber extrusion. This product’s extended life-span performance and durability makes it unique and the ideal choice for geo-textiles applications. Selenis Geo LF 451 has a very high viscosity, delivering excellent melt strength when extruded. Its low creep characteristic ensures an extended life-span performance and guarantees durability. The inert polyester characteristics deliver a high resistance against biological and chemical attack.&& |
Product Description | |
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Generic | PCTG |
Material Status | Commercial: Active |
Features | Good flexibility,High Viscosity,Renewable resources,Food contact compliance,Good melt strength,Durability,Solvent resistance |
Availabilitys | North America,Latin America,Europe |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Apparent density | 0.82 | g/cm³ | |
Intrinsic viscosity | 1.1 to 1.2 | dl/g | ISO 1628-5 |
Acetaldehyde | < 1.0 | ppm | ASTM F2013 |
Color b | -2.00 to 2.00 | ASTM D6290 | |
Color L | 79.0 to 91.0 | ASTM D6290 | |
COOH | < 15.0 | meq/kg | |
Crystallinity | > 52 | % | ASTM D1505 |
Particle Shape | Cylindrical | ||
molecular weight | > 50000 | g/mol | |
Particle size | 1.35 to 1.85/100 Chips | g | |
humidity | < 0.30 | % |
Process Conditions | |||
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Extrusion | Nominal value | Unit | Test method |
Drying temperature | 175 | °C | |
Drying time | 4.0 to 6.0 | hr | |
Recommended maximum moisture content | 4.0E-3 | % | |
Melt temperature | 275 to 295 | °C |
Notes |
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1. Typical properties: these are not to be construed as specifications. |
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