Selenis AKOLYT KB 311 Copolyester for Film Extrusion

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Selenis AKOLYT KB 311 Copolyester for Film Extrusion
Categories:	Polymer; Film; Thermoplastic; Polyester, TP
Material Notes:	Selenis Akolyt KB 311 copolyester has been specifically developed for the extrusion of technical films for graphic arts in general. Films made with Selenis Akolyt KB 311 allow excellent decorative capability, permitting unlimited design freedom and full personalization of the final application. The exceptional clarity of films produced with Selenis Akolyt KB 311 allow reverse printing technique, enhancing printing optics while maximizing artwork protection. Elongation of films produced with Selenis Akolyt KB 311 permit thermoformed deep drawing, at the same time as its relatively low Tg grants energy cost savings while guaranteeing perfect adhesion to itself. Proven chemical resistance against common household detergents makes Selenis Akolyt KB 311 the perfect choice for films that will resist everyday weathering. Information provided by Selenis.
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Physical Properties	Original Value	Comments

Bulk Density	0.730 g/cc
Density	>= 1.29 g/cc	ASTM D792
Water Absorption	<= 0.12 %	ASTM D570
Moisture Absorption at Equilibrium	<= 0.30 %
Viscosity Test	78 - 82 cm³/g	Intrinsic; ISO 1628-5
ASTM Color	<= 1.0	b*; ASTM D6290
	>= 64	L*; ASTM D6290

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	19.0 MPa	(sb); ISO 527-2
Tensile Strength	53.0 MPa	(σm); ISO 527 -1/- 2
Tensile Strength, Yield	53.0 MPa	(σy); ISO 527 -1/- 2
Elongation at Break	31 %	Nominal, (εtb); ISO 527 -1/- 2
Elongation at Yield	4.0 %	(εm); ISO 527 -1/- 2
	4.0 %	(εy); ISO 527 -1/- 2
Tensile Modulus	3000 MPa	ISO 527-2
Flexural Strength	71.0 MPa	ISO 178
Flexural Modulus	2040 MPa	ISO 178
Izod Impact, Notched (ISO)	3.90 kJ/m² @Temperature -30.0 °C	ISO 180
	4.40 kJ/m² @Temperature 0.000 °C	ISO 180
	4.50 kJ/m² @Temperature 23.0 °C	50% RH; ISO 180
Izod Impact, Unnotched (ISO)	125 kJ/m² @Temperature -30.0 °C	ISO 180
	NB @Temperature 0.000 °C	ISO 180
	NB @Temperature 23.0 °C	50% RH; ISO 180

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	68.0 °C	ISO 75-2
Deflection Temperature at 1.8 MPa (264 psi)	62.0 °C	ISO 75-2
Vicat Softening Point	78.0 °C	ISO 306
Glass Transition Temp, Tg	80.0 °C	ASTM D3418

Processing Properties	Original Value	Comments
Melt Temperature	180 - 250 °C
Drying Temperature	<= 70.0 °C	to avoid chips sticking together in dryer hopper
	60.0 - 65.0 °C @Time 18000 - 21600 sec
Moisture Content	<= 0.0040 %	dried
Dew Point	-40.0 °C

Descriptive Properties
Deflection at Flexural Strength	8.6 mm
Particle size	320 ± 50 mg/20 chips
Pellet Shape	Cylindrical

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