Braskem America H521

Braskem H521 is a polypropylene homopolymer designed for injection molding and general applications. It provides low water carryover. Other applications and suggested uses include tape, slit-film fibers, containers, closures and housewares.

All Braskem America production facilities are certified to produce bio, bio-circular, and circular polypropylene under the ISCC PLUS certification via the mass balance approach.

For more information regarding REACH, please visit Braskem's REACH site

Polymer Name: Polypropylene Homopolymer (HPP)

Processing Methods: Compounding, Extrusion, Fibers Extrusion, Injection Molding

Melt Flow Index: 3.6 g/10 min

Technical Data Sheet Safety Data Sheet Regulatory Information Sheet

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Enhanced TDS

Identification & Functionality

Chemical Family: Polyolefins,
Polypropylenes (PP)
Polymer Name: Polypropylene Homopolymer (HPP)
Plastics & Elastomers Functions: Resin
Technologies: Plastics
Product Families: Plastics — Basic Thermoplastics
Polyolefins

Features & Benefits

Labeling Claims

Bio-attributed,

Ozone Non Depleting,

Key Attributes

General purpose
Low water carryover

Applications & Uses

Properties

Physical Form

Typical Properties


	Value	Units	Test Method / Conditions
Elongation at Yield (2 in/min, 50 mm/min)	10	%	ASTM D-638
Elongation of Fibers (3.3 draw ratio, 1,250 m/min roll speed, 225°C spin temperature, D1000/68)	36	%	ASTM D-2256
Flexural Modulus (0.05 in/min, 1.3 mm/min, 1% secant)	1,655	MPa	ASTM D-790
Rockwell Hardness	103	R	ASTM D-785
Tenacity of Fibers (3.3 Draw Ratio 1250 M/Min Roll Speed 225°C Spin Temperature D1000/68)	4.5	g/denier	ASTM D-2256
Tensile Strength at Yield (2 in/min, 50 mm/min)	37	MPa	ASTM D-638
Notched Izod Impact Strength (23°C)	37	J/m	ASTM D-256

Control Properties


	Value	Units	Test Method / Conditions
Nominal Melt Flow (230°C/2.16kg)	3.6	g/10 min	ASTM D-1238

Regulatory & Compliance