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High density Polyethylene (HDPE) is a highly crystalline non-polar thermoplastic resin produced through the copolymerization of ethylene and a small amount of α-olefin monomer. HDPE is synthesized under low pressure and is therefore also called low-pressure polyethylene. HDPE is mainly a linear molecular structure and has little branching. It has a high degree of crystallization and high density. It can withstand high temperatures and has good rigidity and mechanical strength and anti-chemical corrosion.
LDPE (low density polyethylene) is a soft, flexible, lightweight plastic material. LDPE is noted for its low temperature
flexibility, toughness, and corrosion resistance. It is not suited for applications where stiffness, high temperature resistance and structural strength are required.
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LDPE Injection Grade
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Item
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Value
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Unit
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Melt Flow Rate (MFR)
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15
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g/10min
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Density
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0.922
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g/cm3
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Tensile Yield Strength
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7
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Mpa
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Elongation at Break
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75
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%
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Wien Softening Point
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85
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°C
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LDPE Film Grade
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||
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Item
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Value
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Unit
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Melt Flow Rate (MFR)
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2
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g/10min
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Density
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0.9225
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g/cm3
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Tensile Strength
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9
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MPA
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Elongation at Break
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500
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%
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Fish eye max (0.3-2mm)
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30
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n/1200cm2
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Stripes
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20
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cm/20cm3
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