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Ensinger PEI

Borealis Borstar® FB4230 LLDPE for Film
Categories: Polymer; Film; Thermoplastic; Polyethylene (PE); Linear Low Density (LLDPE); Linear Low Density Polyethylene (LLDPE), Film Grade

Material Notes: Borstar FB4250T is a high molecular weight linear low density polyethylene grade combining good extrusion properties, excellent draw properties and good mechanical strength. Film made from Borstar FB4250T exhibits a good balance between dart impact combined with excellent yield and tensile strength and improved stiffness. Its toughness also remains in cold climate conditions. The film has good seal strength, wide sealing window and good hot tack force. In addition to the well know Borstar properties, Borstar FB4250T also give good optical properties.

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Physical PropertiesMetricEnglishComments
Density 0.923 g/cc0.0333 lb/in³ISO 1183
Water Vapor Transmission 8.00 g/m²/day
@Temperature 38.0 °C
0.515 g/100 in²/day
@Temperature 100 °F
90% RH; ISO 15106-2
Oxygen Transmission Rate 5000 cc/m²/day322 cc/100 in²/dayAt 25°C/0% RH/1 bar; ASTM D3985
Thickness 40.0 microns1.57 mil
Melt Flow  0.40 g/10 min
@Load 2.16 kg,
Temperature 190 °C
0.40 g/10 min
@Load 4.76 lb,
Temperature 374 °F
ISO 1133
 2.0 g/10 min
@Load 5.00 kg,
Temperature 190 °C
2.0 g/10 min
@Load 11.0 lb,
Temperature 374 °F
ISO 1133
High Load Melt Index 40 g/10 min
@Load 21.6 kg,
Temperature 190 °C
40 g/10 min
@Load 47.6 lb,
Temperature 374 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Film Elongation at Break, MD 500 %500 %ISO 527-3
Film Elongation at Break, TD 750 %750 %ISO 527-3
Secant Modulus, MD 0.300 GPa43.5 ksi0.05-1.05%; ASTM D882-A
Secant Modulus, TD 0.350 GPa50.8 ksi0.05-1.05%; ASTM D882-A
Impact 6060Puncture Resistance, force (N); ASTM 5748
Puncture Energy 4.00 J2.95 ft-lbASTM 5748
Elmendorf Tear Strength, MD 10.19 g/micron258.8 g/milISO 6383/2
Elmendorf Tear Strength, TD 22.93 g/micron582.4 g/milISO 6383/2
Dart Drop 5.00 g/micron127 g/milISO 7765/1
Film Tensile Strength at Break, MD 50.0 MPa7250 psiISO 527-3
Film Tensile Strength at Break, TD 40.0 MPa5800 psiISO 527-3
 
Thermal PropertiesMetricEnglishComments
Melting Point >= 124 °C>= 255 °FISO 11357/03
Vicat Softening Point 104 °C219 °FA (10N); ISO 306
 
Optical PropertiesMetricEnglishComments
Haze 70 %70 %ASTM D1003
Gloss 10 %10 %ASTM D2457

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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Borealis Borstar® FB1460 HDPE for Film

PBOREA113 / 27420

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