A masterbatch is a blend of concentrated pigments or additives bound in a polymer carrier resin. This process delivers precise colour and performance enhancements - such as UV resistance, flame retardancy, or anti-static properties - while preserving the integrity and processability of the base polymer.

At Naphtha Plastics, we provide masterbatch producers with a dependable supply of high-quality powdered and pelletised virgin carrier polymers. These carriers are specifically selected to ensure excellent pigment and additive dispersion, thermal stability, and compatibility with common thermoplastics.

1. Uniform Dispersion

Achieving consistent distribution of colourants or functional additives is essential for reliable masterbatch. Inconsistent carriers or contamination can cause streaking, agglomeration, poor let-down performance, and processing issues.

2. Material Compatibility

The carrier resin must be chemically and rheologically compatible with the target base polymer to ensure seamless blending and end-product consistency.

3. Processing Stability

Carriers must maintain their properties during the high-stress mixing and extrusion processes of masterbatch production.

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Polyethylene Carriers:

LDPE, LLDPE, and HDPE – widely used for their excellent processability and dispersion characteristics

Specialty Polymers:

PP, EVA, and PS

Engineering-Grade Carriers:

PA, PC, or PET

Consistent particle size distribution

Predictable melt flow behaviour

Thermal stability during compounding

Neutral base for optimal colouring

“We were struggling to find a small amount of conductive nylon for a petrochemical project. Most suppliers just weren’t interested. Then we found Naphtha Plastics. Tim was great - he knew exactly what we needed and got it sorted quickly. They were really helpful, easy to deal with, and a real breath of fresh air compared to the rest. Highly recommend!”

“We were in a tight spot - waiting on a couple of pallets from Naphtha Plastics to keep weekend production going. Late on Friday afternoon we realised the delivery hadn’t arrived. I called Jill, and she jumped into action. Despite the delay with the transport company, she somehow got it sorted and arranged a special Saturday delivery. The pallets turned up at 8:30am, and we were able to keep running. Absolute lifesavers!”

Performance Masterbatch Production

What is Masterbatch?

The Challenge: Creating Perfect Masterbatch