Clearflex® CL 508

Category: LMDPE , Linear Medium Density Polyethylene
Manufacturer: Versalis S.p.A.
Trademark: Clearflex®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: omeUPc_Clearflex-CL-508.pdf
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Message
Clearflex CL 508 is an octene copolymer linear medium density polyethylene (C8-LMDPE), with antioxidants, suitable for cast film extrusion.

Films manufactured with Clearflex CL 508 exhibit a good balance between rigidity and stretchability.

Main Application
Clearflex CL 508 is recommended for the production of film characterized by optimum mechanical resistance and high rigidity (hygienic film). Its high Vicat softening point makes Clearflex CL 508 the ideal choice for the production of films for food which are submitted to pasteurisation or sterilisation process. Moreover, Clearflex CL 508 can be used, for its slip-cling properties, as external layer in coextrusion structures.
General Information
Additive
  • Antioxidant
Features
  • Antioxidant
  • Copolymer
  • Food Contact Acceptable
  • Good Stretchability
  • High Rigidity
  • Medium Density
  • Octene Comonomer
Uses
  • Cast Film
  • Film
  • Food Packaging
Agency Ratings
  • EU Food Contact, Unspecified Rating
Forms
  • Pellets
Processing Method
  • Cast Film
  • Coextrusion
PhysicalNominal ValueUnitTest Method
Density 0.935g/cm³ISO 1183
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)2.7g/10 minISO 1133
MechanicalNominal ValueUnitTest Method
Coefficient of Friction (vs. Itself - Dynamic, Cast Film)> 0.50ISO 8295
FilmsNominal ValueUnitTest Method
Film Thickness - Tested 23µm
Film Thickness - Recommended / Available 8 to 50µm
Tensile Modulus ISO 527-3
    1% Secant, MD : 23 µm, Cast Film 300MPa
    1% Secant, TD : 23 µm, Cast Film 330MPa
Tensile Stress ISO 527-3
    MD : Yield, 23 µm, Cast Film 16.0MPa
    TD : Yield, 23 µm, Cast Film 17.0MPa
    MD : Break, 23 µm, Cast Film 35.0MPa
    TD : Break, 23 µm, Cast Film 30.0MPa
Tensile Elongation ISO 527-3
    MD : Break, 23 µm, Cast Film 660%
    TD : Break, 23 µm, Cast Film 800%
Dart Drop Impact 1(23 µm, Cast Film)40gISO 7765-1
Elmendorf Tear Strength 2ISO 6383-2
    MD : 23.0 µm 20.0kN/m
    TD : 23.0 µm 80.0kN/m
ThermalNominal ValueUnitTest Method
Brittleness Temperature < -70.0°CASTM D746
Vicat Softening Temperature 118°CISO 306/A
Melting Temperature 128°CInternal Method
OpticalNominal ValueUnitTest Method
Gloss (45°, 23.0 µm, Cast Film)84ASTM D2457
Haze (23.0 µm, Cast Film)3.5%ISO 14782
ExtrusionNominal ValueUnit
Melt Temperature 220 to 270°C
Note Message
1 .F50
2 .Cast Film
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