Colour consistency can play a major role in whether a consumer chooses one brand's product over another. That means businesses that work with plastic, either as a product or a packaging material, need to pay close attention to their colour formulas and the consistency of their outputs. 

Quality control specialists in every industry have recognized the benefits of using a spectrophotometer to measure product colours, ensuring better consistency and branding — and alignment with sustainability goals.

What Factors Affect Plastic Colour?

Your plastic may look right as you process it, but will it look the same when it hits the shelves? Product appearances can differ from store to store and shelf to shelf due to factors like:

  • Light: All colour is based on the way light reflects off an object. Understanding how colour changes under different light sources can help you see why a colour measurement tool is crucial in maintaining consistency.
  • Opacity: Plastic ranges from being totally opaque to transparent, and variations in opacity can change the way its colour is perceived. The same coloration formula can produce different results across multiple pieces of plastic based on the level of transparency each piece holds. 
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  • Gloss: Plastic can be matte or glossy. The glossier a piece of plastic is, the more likely the finish is to affect the product's appearance. 

Achieving uniformity, repeatability, and consistency is the best way to ease consumer scrutiny. Fortunately, powerful solutions exist to help you capture, quantify, and track colour accurately to maintain your high quality standards.

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Use a Spectrophotometer for Accurate Colour Analysis

When it comes to professional colour measurement, spectrophotometers are the ideal choice. A spectrophotometer measures colour based on light reflections, equations, and geometry, providing an unbiased analysis with numerical values. These values allow anyone to understand how similar or dissimilar your plastic colours are and adjust manufacturing and processing operations to bridge the gap.

Streamline your colour measurement process and start performing better with HunterLab. You can choose from many spectrophotometer options designed to measure the colour of plastic, including these benchtop and hand-held selections:

Each model offers its own strengths based on your facility's needs and the plastics you work with. 

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Achieve ESG Goals With HunterLab Solutions

Spectrophotometers from HunterLab can do more than give you a desired plastic colour — they can also allow your company to meet environmental, social, and governance (ESG) reporting and accountability goals. Our solutions provide efficient measurements for plastic colour, allowing you to identify defects sooner and adjust formulas as needed to reduce waste.

By identifying colour problems early, you can reduce the unnecessary use of resources in the mass production of defective products. Accurate colour measurement also reduces wasted energy and resources in the rework process used to produce replacement products.

Our colour measurement solutions ensure you use raw materials and recycled plastics effectively, promoting a circular economy within the industry. We provide opaque and transparent colour measurement solutions in feedstock, raw materials, recycling, converted plastics, and resins.

Connect with us today to request a quote on any of our tools and discover which is best for you.