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Ensinger PEI

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LG Chemical SÉETEC H7900 PP Homopolymer
Categories: Polymer; Thermoplastic; Polypropylene (PP)
Material Notes: Applications: Ultra fine denier melt blown non-wovens, typical end use applications including diapers, sanitary napkins, oil absorbent mats, wipes, wet tissues, masks, air filtration media and medicals.

Typical properties: SÉETEC H7900 is a newly developed pellet type melt blown grade made by 5th generation catalyst and the Spheripol process. Its has a very high melt flow and very narrow molecular weight distribution, which promotes thread line continuity, reduce lint, and spins ultra fine denier fibers with high strength vs. conventional flake type melt blown grade. This polymer is well designed to control and increase the melt flow rate (between 400 to 1500) by adding the concentrated peroxide master batch into the polymer during the M/B processing. SEETEC H7900 meets the FDA requirement in the code of Federal Regulations in 21 CFR 177.1520 for food contact.

Information provided by LG Chemical
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Physical PropertiesOriginal ValueComments
Density 0.900 g/ccASTM D1505
Melt Flow 230 g/10 min
@Load 2.16 kg,
Temperature 230 °C		ASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 105ASTM D785
Tensile Strength, Yield 347 kg(f)/cm²50 mm/min; ASTM D638(
Elongation at Break >= 500 %50 mm/min; ASTM D638
Flexural Modulus 16300 kg(f)/cm²28 mm/min; ASTM D790(
Izod Impact, Notched 2.96 kg-cm/cmASTM D256
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 110 °CASTM D648
Vicat Softening Point 151 °C
@Load 1.00 kg		ASTM D1525
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.

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PLHCHEM9881 / 239397

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