Let’s say you need an additive to improve your processing conditions or improve the shelf life of the packaged product; or you would like your Green House Film to last another season. We have a solution!

Our Additive Masterbatches can help you enhance the quality, strength, look and feel of your end product.

All the additive masterbatches are available in different resin types and with variable active ingredient loadings that can be specially developed for use at a suggested addition rate. At your request, RPI can also manufacture tailor-made additive blends for your particular industry. Simply tell us what properties your finished goods need to exhibit and our technical specialists can do the rest!

Some of our in-stock and off the shelf available Additive Masterbatches are:

Slip Masterbatches

Anti-Block Masterbatches

Polymer Processing Aid Masterbatches

Anti-Static Masterbatches

UV Stabiliser Masterbatches Including Green House Film Masterbatches

Nucleating & Clarifying Agent Masterbatches

Anti-Warp Masterbatches

Chemical Foaming Agent Masterbatches (Exothermic & Endothermic)

Anti-Sink Masterbatches for Sink Mark Removal

Antimicrobial Masterbatches

Infrared Masterbatches

Foam Nucleators for Expanded Polystyrene and Expanded Polyethylene

Anti-Fogging Masterbatches

Heat Stabilizers

Flame Retardant Packages

Stiffening Agents


Optical Brighteners


Chain Extenders

Solar Heat Reflection

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