Genius 251

About
Selenis Genius 251 copolyester has been specifically developed for extrusion blow moulding process of bottles of any shape. Selenis Genius 251 offers exceptional clarity, neutral colour and high gloss, granting enhanced shelf appeal whilst protecting product ingredients. Selenis Genius 251 grade offers excellent impact resistance; therefore it is recommended for the production of bottles with a volume up to 1000-ml. Selenis Genius 251 grade may be easily processed on standard extrusion blow moulding machines, provided appropriate drying equipment is used. Selenis Genius 251 offers good chemical resistance to most common additives used in the cosmetics and personal care industries; it is up to the end user to determine the fitness for use.&&

Product Description
GenericPETG
Material StatusCommercial: Active
FeaturesExcellent Processability,Good Clarity,Good surface appearance,High impact resistance,Renewable resources,Food contact compliance,Solvent resistance
AvailabilitysNorth America,Latin America,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density1.27g/cm³ASTM D792
Apparent density0.73g/cm³
Intrinsic viscosity0.76 to 0.80dl/gISO 1628-5
Color b< 3.00 ASTM D6290
Color L> 64.0 ASTM D6290
Particle ShapeCylindrical 
Particle size300 to 400mg/20 chips
humidity< 0.30%

THERMALNominal valueUnitTest method
Glass transition temperature85.0ASTM D3418

Process Conditions
ExtrusionNominal valueUnitTest method
Drying temperature65°C
Drying time5.0 to 6.0hr
Recommended maximum moisture content4.0E-3%
Melt temperature180 to 250°C

Notes
1. Typical properties: these are not to be construed as specifications.
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