R&D and Manufacturing
Colour Plastic's seven-step custom service: needs communication, material selection, formulation development, sample validation, small-batch trial production, mass production delivery, after-sales follow-up — a closed loop from requirement to mass production.
R&D strength
Color matching laboratory
Computerized color matching combined with experienced colorists for dual-track color correction, supporting rapid color reproduction from customer samples; a library of tens of thousands of color masterbatch formulations, plus hundreds of modified material formulations, enables fast iteration for new requirements.
Modification laboratory
Founded in 2000, Ningbo Colour Plastic Co., Ltd. is a professional manufacturer of modified engineering plastic granules and color masterbatches, located in Yuyao, Ningbo, Zhejiang, China.
Laboratory photos
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Computer color matching: spectrophotometer + color matching software .jpg)
Pendulum impact tester (Izod/Charpy) .jpg)
Standard light booth color comparison (D65/TL84/CWF/UV)
Production equipment and manufacturing capabilities
Twin-screw extruders
9 Coperion and JSW twin-screw lines covering low-to-medium viscosity to highly filled systems, with vacuum venting and side feeding.
Gravimetric loss-in-weight feeders
Multi-component precise feeding to ensure formulation accuracy.
Cooling pelletizing and automatic packaging
Uniform, low-dust granules; automatic weighing and packaging lines supporting 25 kg bags and ton bags.
Clean production
Workshop dust collection and exhaust gas treatment facilities; complete dust removal and environmental protection equipment.
Production line photos
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Coperion twin-screw extruders .jpg)
Extrusion pelletizing line: cooling water bath and pelletizer .jpg)
Automatic metered packaging line 
Central vacuum system for equipment
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High-speed mixer control cabinet .jpg)
High-speed mixer cylinder and dust hood .jpg)
High-speed mixer pneumatic discharge .jpg)
Stainless steel storage silos (negative-pressure feeding)