EVA-Wax

EVA-Wax

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EVA-890A

EVA-Wax Introduction

EVA wax is a low-molecular-weight ethylene-vinyl acetate copolymer. The incorporation of vinyl acetate groups increases polarity and pigment affinity, improving wetting and dispersion while maintaining good melt flow during processing.

These characteristics make EVA wax particularly effective in color masterbatch, especially in demanding pigment systems such as black masterbatch.

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Key Features

Copolymer Structure & Compatibility

Vinyl acetate units introduce controlled polarity into the polyethylene-based structure, improving affinity with pigment surfaces and compatibility within the masterbatch system.
Pigment Wetting & Dispersion

Improved pigment affinity promotes faster wetting and more uniform dispersion. This is particularly valuable for carbon black and other high-pigment-loading systems where efficient dispersion is critical.
Melt Flow & Processing

Low molecular weight and suitable melt viscosity help reduce flow resistance during mixing and dispersion, supporting efficient pigment distribution throughout the polymer melt.