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Dow 621I Low Density Polyethylene (LDPE)

Category Polymer , Film , Thermoplastic , Polyethylene (PE) , LDPE
Manufacturer Dow Chemical
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow 621I Low Density Polyethylene (LDPE).pdf
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Material Notes:
Specialty resin designed for high melt strength applications Provides excellent bubble stability Complies with U.S. FDA 21 CFR 177.1520 (c) 2.1 Information provided by Dow
Physical Properties Metric English Comments
Density 0.918 g/cc
0.0332 lb/in³
ASTM D792
Thickness 50.8 microns
2.00 mil
Melt Flow 2.3 g/10 min

@Load 2.16 kg,
Temperature 190 °C
2.3 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ASTM D1238
Mechanical Properties Metric English Comments
Film Tensile Strength at Yield, MD 11.64 MPa
1688 psi
ASTM D882
Film Tensile Strength at Yield, TD 11.02 MPa
1598 psi
ASTM D882
Film Elongation at Break, MD 451 %
451 %
ASTM D882
Film Elongation at Break, TD 620 %
620 %
ASTM D882
Secant Modulus, MD 0.1662 GPa
24.11 ksi
2% Secant; ASTM D882
Secant Modulus, TD 0.2081 GPa
30.18 ksi
2% Secant; ASTM D882
Impact 43
43
[ft-lbf/in<sup>3</sup>]; Puncture Resistance; Dow Method
1695
1695
[ft-lbf/in<sup>3</sup>]; Toughness MD; ASTM D882
1790
1790
[ft-lbf/in<sup>3</sup>]; Toughness TD; ASTM D882
Elmendorf Tear Strength MD 321 g
321 g
ASTM D1922
Elmendorf Tear Strength TD 189 g
189 g
ASTM D1922
Elmendorf Tear Strength, MD 6.319 g/micron
160.5 g/mil
ASTM D1922
Elmendorf Tear Strength, TD 3.72 g/micron
94.5 g/mil
ASTM D1922
Dart Drop Test 96.0 g
0.212 lb
Method A; ASTM D1709
Film Tensile Strength at Break, MD 21.75 MPa
3155 psi
ASTM D882
Film Tensile Strength at Break, TD 19.62 MPa
2845 psi
ASTM D882
Thermal Properties Metric English Comments
Melting Point 108 °C
226 °F
Dow Method (DSC)
Vicat Softening Point 92.0 °C
198 °F
ASTM D1525
Optical Properties Metric English Comments
Haze 16.1 %
16.1 %
ASTM D1003
Gloss 40 %
40 %
45°; ASTM D2457
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