SK LLDPE Smart 181 is an ethylene-octene copolymer produced via NexleneTM Technology from SK. It performs well in a wide range of general-purpose LLDPE blown film applications and has excellent melt flow characteristics.

General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Features 
  • Copolymer
  • Excellent Processability
  • Food Contact Acceptable
  • High Clarity
  • Low Density
  • Low Temperature Heat Sealability
  • Octene Comonomer
Uses 
  • Blown Film
Agency Ratings 
  • EU 10/2011
  • FDA 21 CFR 177.1520
 
Processing Method 
  • Blown Film
Physical
Nominal Value
Unit
Test Method
Density / Specific Gravity
0.920
 
ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)
1.0
g/10 min
ASTM D1238
Films
Nominal Value
Unit
Test Method
Film Thickness - Tested
1.6
mil
ASTM D374
Secant Modulus
    ASTM D882
1% Secant, MD : 1.6 mil
23200
psi
 
1% Secant, TD : 1.6 mil
27900
psi
 
Tensile Strength
    ASTM D882
MD : Break, 1.6 mil
7820
psi
 
TD : Break, 1.6 mil
7970
psi
 
Tensile Elongation
    ASTM D882
MD : Break, 1.6 mil
600
%
 
TD : Break, 1.6 mil
690
%
 
Dart Drop Impact (1.6 mil)
> 600
g
ASTM D1709A
Elmendorf Tear Strength
    ASTM D1922
MD : 1.6 mil
440
g
 
TD : 1.6 mil
840
g
 
Thermal
Nominal Value
Unit
Test Method
Vicat Softening Temperature
221
°F
ASTM D1525
Melting Temperature
239
°F
Internal Method
Optical
Nominal Value
Unit
Test Method
Haze
11.0
%
ASTM D1003
Additional Information
Nominal Value
Unit
Test Method
Sealing Initial Temperature
225
°F
Internal Method
Extrusion
Nominal Value
Unit
 
Melt Temperature
320 to 356
°F
 
Extrusion Notes
Screw size: 35 mm
Die diameter: 100 mm
Die gap: 1 mm
Blow-up ratio: 2.1

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