Technical datasheet

Plastistrength® 551

Supplied byArkema- Last Updated on Nov 6, 2025

Plastistrength® 551 by Arkema is a medium molecular weight acrylic processing aid for rigid and flexible vinyl compounds. It imparts excellent melt strength to vinyl formulation during processing. Generates even control over fusion at reduced use levels for ease of processing and maximum development of physical properties. Used in vinyl siding, profile, pipe & fittings, calendered sheet, blow molded bottles and exterior PVC building products. Plastistrength® 551 is commonly used in PVC formulations for food or pharmaceutical packaging.
Product family:
Chemical family:
Product Type:
AppearancePowder

Benefits

No data available

Compliance

No data available

Applications

Recommended markets

Applications

Conversion mode

Calendering|
Injection Molding

For which polymer

Flexible PVC|
Thermoplastics|
Rigid PVC

Availability

Product Status:COMMERCIAL

Plastistrength® 551 properties

Other properties

PropertiesValue & unitTest conditionTest method
Density, Bulk0.45 g/cm3
Particle Size< 2 %40 mesh
Specific Gravity1.17
Volatile Content< 1.2 %

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