Selenis RODNSHEET SF 121 Copolyester for Semi-Finished Products

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Selenis RODNSHEET SF 121 Copolyester for Semi-Finished Products
Categories:	Polymer; Thermoplastic; Polyester, TP
Material Notes:	Selenis RodnSheet SF 121 is a polymer designed for the extrusion of semi-finished goods, such as plates, rods and bars that may be mechanically machined. This product has a very high viscosity, delivering excellent melt strength during extrusion. The low creep characteristic and low moisture absorption inherent to Selenis RodnSheet SF 121, grant dimensional stability and ensure an extended life-span performance, guaranteeing durability of finished products. Selenis RodnSheet SF 121 features low sliding friction and sliding wear, compared to other technical polymers. Selenis RodnSheet SF 121 is a Sb free resin, with improved optical properties, such as high clarity and light transmission when compared with Rodnsheet SF 120. Information provided by Selenis.
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Physical Properties	Original Value	Comments

Bulk Density	0.820 g/cc
Moisture Absorption at Equilibrium	<= 0.30 %
Viscosity Test	112 - 118 cm³/g	Intrinsic; ISO 1628-5
Molecular Weight	>= 50000 g/mol
Crystallinity	>= 52 %	ASTM D1505
ASTM Color	-2.00 - 2.0	b*; ASTM D6290
	83 - 91	L*; ASTM D6290

Chemical Properties	Original Value	Comments
Acetaldehyde	<= 1.00 ppm	ASTM F2013

Thermal Properties	Original Value	Comments
Melting Point	<= 255 °C	ASTM D3418

Processing Properties	Original Value	Comments
Melt Temperature	275 - 295 °C
Drying Temperature	175 °C @Time 14400 - 21600 sec
Moisture Content	<= 0.0040 %	dried
Dew Point	-40.0 °C

Descriptive Properties
COOH Content	<15 meq/Kg
Food Approval Pharmacopeia	Yes
Particle size	1.60 ± 0.25 mg/20 chips
Pellet Shape	Cylindrical

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PSELE962 / 243461

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