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POLYPROPYLENE HOMOPOLYMER
FIBER GRADE

HPP HP552R

PARAMETER TEST METHOD VALUE UNIT
Melt flow rate (230 °C, 2.16 kg) ASTM D1238 25 dg / min
Density ASTM D1505 0.9 g/cm3  
Flexural modulus ASTM D790 1500 N/mm2
Tensile strength yield ASTM D638 32 N/mm2
Elongation at yield ASTM D638 13 %
Izod Impact Strength (notched) at 23°C ASTM D256 30 kJ/m2
Hardness Shore D ASTM D785 100 Points
Vicat softening point (9.8 N) ASTM D1525 152 °C
H.D.T. (0.46 Mpa) ASTM D648 94 °C
Accelerated oven ageing in air

(forced circulation) at 150 °C

ASTM D3012 150 hours
APPLICATIONS

Low denier staple fibres for non-woven fabrics, diapers, medical-sanitary applications and wipes, high tenacity continues filament for straps for backpacks, handles for big and safety belts, Continues filament with medium tenacity is used for upholstery, sportswear and heavy duty clothing, production of bulked continues filament for thermo bonding and carpets.

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