Braskem H 503HS HOMO Polypropylene Homopolymer

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Braskem H 503HS HOMO Polypropylene Homopolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Fiber Grade
Material Notes:	H 503HS is a low melt flow rate homopolymer for general purpose. It is designed for raffia extrusion and fiber extrusion. This product exhibits excellent processability, high speed production with good melt stability, good stiffness/impact strength balance, and low odor and flavor transfer. Its applications include: monofilament for ropes; fishing nets; cables for boats; bristles for tooth brushes and brooms; industrial bags; big bags; carpet backing; and curtains and covers for aviary and agriculture.
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Physical Properties	Metric	English	Comments

Density	0.905 g/cc	0.0327 lb/in³	ASTM-D792
Melt Flow	4.0 g/10 min @Load 2.16 kg, Temperature 230 °C	4.0 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM-D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	103	103	ASTM-D785
Tensile Strength, Yield	34.0 MPa	4930 psi	ASTM-D638
Elongation at Yield	12 %	12 %	ASTM-D638
Flexural Modulus, 1% Secant	1400 MPa	203000 psi	ASTM-D790
Izod Impact, Notched	0.350 J/cm	0.656 ft-lb/in	ASTM-D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	97.0 °C	207 °F	ASTM-D648
Deflection Temperature at 1.8 MPa (264 psi)	55.0 °C	131 °F	ASTM-D648
Vicat Softening Point	155 °C @Load 1.02 kg	311 °F @Load 2.25 lb	ASTM-D1525

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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