DOW™ LDPE 757A

Category: LDPE , Low Density Polyethylene Resin
Manufacturer: The Dow Chemical Company
Trademark: DOW™ LDPE
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 3hnUgh_DOW-LDPE-757A.pdf
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Message
  • A resin for general packaging applications
  • Resin for cast film extrusion
  • A fast blooming resin for high-speed bag conversion
  • Complies with:
    • U.S. FDA 21 CFR 177.1520 (c) 2.1.
    • Europe EU, No 10/2011
    • HPFB (Canada), No Objection
    • Consult the regulations for complete details
General Information
Additive
  • Anti-caking agent (4600 ppm)
  • Sliding agent (850 ppm)
Agency Ratings
  • FDA 21 CFR 177.1520(c) 2.1
  • HPFB (Canada) No Objection
  • Europe No 10/2011
Forms
  • Particle
PhysicalNominal ValueUnitTest Method
Specific Gravity 0.928g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)6.4g/10 minASTM D1238
FilmsNominal ValueUnitTest Method
Film Thickness - Tested 25µm
Film Puncture Resistance (25 µm)0.910J/cm³Internal method
Film strength ASTM D882
    MD : 25 µm 141J/cm³ASTM D882
    TD : 25 µm 132J/cm³ASTM D882
Tensile Strength ASTM D882
    MD : Yield, 25 µm 13.9MPaASTM D882
    TD : Yield, 25 µm 12.8MPaASTM D882
    MD : Break, 25 µm 25.1MPaASTM D882
    TD : Break, 25 µm 16.0MPaASTM D882
Tensile Elongation ASTM D882
    MD : Break, 25 µm 340%ASTM D882
    TD : Break, 25 µm 530%ASTM D882
Dart Drop Impact (25 µm)36gASTM D1709A
Elmendorf Tear Strength ASTM D1922
    MD : 25 µm 210gASTM D1922
    TD : 25 µm 180gASTM D1922
ThermalNominal ValueUnitTest Method
Vicat Softening Temperature 96.1°CASTM D1525
Melting Temperature (DSC) 113°CInternal method
OpticalNominal ValueUnitTest Method
Gloss (45°)87ASTM D2457
Haze 3.5%ASTM D1003
ExtrusionNominal ValueUnit
Melt Temperature 260°C
Extrusion instructions
铸造薄膜的制造条件: 螺杆 A,尺寸:2 英寸 (51 mm);30:1 L/D 熔体温度:500°F (260°C) 螺杆速度:66 rpm 螺杆 B,尺寸:2.5 英寸 (63.5 mm); 30:1 L/D 熔体温度:500°F (260°C) 螺杆速度:28 rpm 螺杆 C,尺寸:2.5 英寸 (63.5 mm);30:1 L/D 熔体温度:500°F (260°C) 螺杆速度:33 rpm 螺杆 D,尺寸:2.5 英寸 (63.5 mm);30:1 L/D 熔体温度:500°F (260°C) 螺杆速度:31 rpm 螺杆 E,尺寸:2 英寸 (51 mm);30:1 L/D 熔体温度:500°F (260°C) 螺杆速度:36 rpm 螺杆类型:DSB II 模具间隙:25 密尔 (0.6 mm) 冷却辊温度:70°F (21°C) 生产线速度:400 fpm(122 米/分)
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