Braskem PE PB-681

Category: LDPE , Low Density Polyethylene
Manufacturer: Braskem
Trademark: Braskem PE
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: Y1pALI_Braskem-PE-PB-681.pdf
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Description:
The PB681 is a resin produced under high pressure, in tubular reactor. This resin presents excellent 'draw down'(stability to form fine films). The films produced with this resin present excellent optical properties.

Applications:
LLDPE and HDPE blends.

Process:
Blown Film Extrusion
Cast Film Extrusion
Injection Moulding
General Information
Features
  • Low density
  • Optical
  • Good stripping
Uses
  • Mixing
Agency Ratings
  • FDA 21 CFR 177.1520
Forms
  • Particle
Processing Method
  • Film extrusion
  • Blow film
  • cast film
  • Injection molding
PhysicalNominal ValueUnitTest Method
Density 0.922g/cm³ASTM D1505
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)3.8g/10 minASTM D1238
FilmsNominal ValueUnitTest Method
Film Thickness - Tested 38µm
Tensile Strength ASTM D882
    MD : Fracture 30.0MPaASTM D882
    TD : Fracture 20.0MPaASTM D882
Tensile Elongation ASTM D882
    MD : Fracture 370%ASTM D882
    TD : Fracture 1100%ASTM D882
Dart Drop Impact 60gASTM D1709
Elmendorf Tear Strength - TD 100gASTM D1922
OpticalNominal ValueUnitTest Method
Gloss (60°)120ASTM D2457
Haze 4.0%ASTM D1003
InjectionNominal ValueUnit
Processing (Melt) Temp 180 - 220°C
Mold Temperature 5.00 - 25.0°C
ExtrusionNominal ValueUnit
Cylinder Zone 1 Temp. 110°C
Die Temperature 150°C
Extrusion instructions
Blown FilmScrew L/D relation: 16 to 30:1Compression rate: 3 to 4:1Screen package(Mesh): 40/60/40From the screw to the die: 140°CBlow up ratio: 2 to 3:1Frostline height: at most equivalent to the bubble diameterCast FilmScrew L/D relation: at least 20:1Screw: 180 to 250°CDie: 250 to 290°CChill roll: 40°C
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