How to choose a colour masterbatch supplier: five points you can verify

Do not compare quotations alone when choosing a colour masterbatch supplier. Verify five measurable facts: production lines and annual capacity, colour-matching and testing equipment, quality management system certification, sampling and batch-to-batch consistency, and the ability to run small minimum orders. These five decide whether colour drift, material shortage or batch variation will hit mass production.

Company profile

Founded in 2000, Ningbo Colour Plastic Co., Ltd. is located in Yuyao, Ningbo, Zhejiang Province—a major hub of China's plastics distribution and modification industry—at the heart of the Yangtze River Delta clusters for home appliances, auto parts and electronics. It is a high-tech enterprise specializing in custom polymer materials.

Production and laboratory equipment

9 twin-screw extrusion lines cover low-to-medium viscosity to highly filled systems, equipped with vacuum venting and side feeding; gravimetric loss-in-weight feeders ensure accurate execution of multi-component formulations; cooling pelletizing and automatic packaging lines deliver uniform, low-dust granules (25 kg bags / ton bags). The testing lab is equipped with color difference meters, gloss meters, multi-light-source light booths, melt flow rate testers, universal testing machines, Izod/Charpy impact testers, HDT/Vicat and DSC, xenon and UV aging chambers, constant temperature and humidity chambers, etc.; the workshop has complete dust collection and exhaust gas treatment facilities.

Product Center

02 Custom colour masterbatch: price structure, minimum order and sampling lead time 03 What is masterbatch? Definition, composition, types and usage essentials 04 From sampling to mass production: how the colour matching process and lead times are scheduled

Frequently asked questions

What kind of company is Colour Plastic?

Ningbo Colour Plastic Co., Ltd. was founded in 2000 and is based in Yuyao, Ningbo, Zhejiang, in the heart of China Plastic City. We focus on two core businesses: custom colour masterbatch and custom modified compounds, with an annual capacity of 16,000 tonnes, 9 twin-screw extrusion lines and a minimum order of 50 kg.

Can you match Pantone or RAL colours?

Yes. Our in-house spectrophotometer colour lab matches Pantone and RAL references, holding colour difference within ΔE ≤ 0.5, with samples delivered in as little as 3 days.

What are your minimum order quantity and lead times?

Minimum order is 50 kg and small trial orders are welcome. Samples take as little as 3 days; bulk orders usually take 7 to 15 working days depending on volume and formulation complexity.

Which certifications do you hold? Can you supply food-contact or medical-grade materials?

We are certified to ISO 9001 and ISO 13485, with IATF 16949 and ISO 14001 in progress. We supply grades meeting GB 4806 and FDA food-contact requirements, ISO 10993 biocompatibility and UL 94 flame retardancy, with a COA for every batch.

Why do quotes from different suppliers vary so much?

Cost is driven mainly by the carrier resin, the pigment and additive system, the let-down ratio and the order volume. The same colour can differ several-fold in cost depending on carrier and weathering grade, so compare against your actual process conditions and validation data rather than unit price alone.