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Workhorse coupling agent for filled polypropylene and polyamide / polypropylene blends. Can be used with glass, mineral, or cellulose fiber reinforcing materials.




Product Overview

POLYBOND™ 3200 is a high efficiency coupling agent for filled polypropylene systems that improves physical properties such as strength and impact resistance. It provides good adhesion in film and sheet applications and compatibalization of polamide / polypropylene  blends.

Product Specifications

Appearance: Off-white pellets
Melt Flow Rate @ 190 °C: 115 g/10 minutes
Maleic Anhydride Content: 0.8-1.2%
Density @ 23 °C: 0.91 g/cm³
Bulk Density @ 23 °C: 0.6 g/cm³
Melting Point: 157 °C
Primary Chemistry: Maleic Anhydride Modified Polypropylene Homopolymer

Features & Benefits

Food contact approvals
Great for glass filled, mineral filled, or cellulose fiber filled polypropylene
Reduces water uptake
Increases flexural and impact strength
Compatibilizes polar and non-polar materials
Enhances hydrolytic stability in polypropylene / polyamide blends
Acts as a coupling agent, process aid, and dispersion aid in halogen free flame retardant compounds for wire and cable


Tie layer component between multilayer polar and non-polar materials; wire and cable compounds using halogen-free flame retardants; glass, mineral, or cellulose fiber filled polypropylene; polypropylene / polyamide blends 

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SI Group Polymer Modifiers are the industry's leading compatibilizers, which are also known as functionalized polymers, coupling agents or impact modifiers.

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