{"id":20084,"date":"2020-04-23T15:56:24","date_gmt":"2020-04-23T19:56:24","guid":{"rendered":"https:\/\/sensing.konicaminolta.us\/?post_type=blog&#038;p=20084"},"modified":"2024-09-18T05:15:32","modified_gmt":"2024-09-18T09:15:32","slug":"color-measurement-of-plastics-bottles-and-tops","status":"publish","type":"blog","link":"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/","title":{"rendered":"Color measurement of plastics bottles and tops"},"content":{"rendered":"<p>The quality of packaging is an important element in the CPG (Consumer Packaged Goods) industry. For beverage companies it important to have high quality bottles and caps. To control quality many companies have tight specifications and controls on the color of their packaging. Measuring PET preform colors at different points to helps ensure the fully blown bottles meet a desired color.<\/p>\n<p>Color measurement for bottles, caps and closures are done in stages; product development, in-coming inspection of raw materials, preform of bottles and the finished product for caps and closures. To get accurate measurement of color use an instrument like the bench top <a href=\"https:\/\/sensing.konicaminolta.us\/us\/products\/cm-5-spectrophotometer\/\">CM-5 spectrophotometer<\/a>.<\/p>\n<p>Tips for color measurements in different stages of the creation process:<\/p>\n<ul>\n<li><strong>In-coming inspection<\/strong> of colored materials like masterbatch or resins use a glass cell or a petri dish to hold the pellets, ensuring repeatability of the measurement. Once filled up, use a cell or petri dish set on top of a bench top spectrophotometer like our CM-5, to take a reading. If the reading is out of the tolerance range, the material might be reworked or rejected.<\/li>\n<li>During the <strong>Preform Stage<\/strong> bottle color is measured. It is critical to obtain the right color in this stage before molding the preform into its final shape. The bottle preform is similar in shape to a cylinder you may find in a lab. Use a preform holder for consistent placement of your measurements. The Custom Preform Holder for the CM-5 is a helpful tool for transmission measurement of preforms.<\/li>\n<li>For <strong>caps and closures<\/strong> use the reflectance function of your spectrophotometer, we recommend the <a href=\"https:\/\/sensing.konicaminolta.us\/us\/products\/cm-17d-spectrophotometer\/\">CM-17d<\/a> Spectrophotmeter for this measurment. Although many measure the top of the cap alone, for reproducible data average the results of measures to the cap\u2019s various sides in different positions and angles.<\/li>\n<\/ul>\n<p>The Custom Preform Holder for the benchtop CM-5 spectrophotometer is a quick and reliable way to measure the color of a preform. This CM-5 accessory is perfect for companies in the beverage industry or any other plastic bottle manufacturing facilities.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-20088\" src=\"https:\/\/sensing.konicaminolta.us\/wp-content\/uploads\/image1-4099y51s22.png\" alt=\"Custom Preform Holder\" width=\"158\" height=\"207\" \/> <img decoding=\"async\" class=\"alignnone size-full wp-image-20091\" src=\"https:\/\/sensing.konicaminolta.us\/wp-content\/uploads\/image2-118e6u67qf.png\" alt=\"Custom Preform Holder\" width=\"278\" height=\"210\" \/>\u00a0<img decoding=\"async\" class=\"alignnone size-full wp-image-20094\" src=\"https:\/\/sensing.konicaminolta.us\/wp-content\/uploads\/image3-5957z99848.jpg\" alt=\"CM-5 Spectrophotometer Open\" width=\"276\" height=\"207\" \/><\/p>\n","protected":false},"featured_media":20085,"template":"","learning_center_categories":[237],"class_list":["post-20084","blog","type-blog","status-publish","has-post-thumbnail","hentry","learning_center_categories-color-appearance-measurement"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v24.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Color measurement of plastics bottles and tops - Konica Minolta Sensing<\/title>\r\n<meta name=\"description\" content=\"To control quality many companies have tight specifications and controls on the color of their packaging. Measuring PET preform colors at different points to helps ensure the fully blown bottles meet a desired color.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Color measurement of plastics bottles and tops\" \/>\r\n<meta property=\"og:description\" content=\"The quality of packaging is an important element in the CPG (Consumer Packaged Goods) industry. For beverage companies it important to have high quality\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Konica Minolta Sensing\" \/>\r\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KonicaMinoltaSensingAmericas\" \/>\r\n<meta property=\"article:modified_time\" content=\"2024-09-18T09:15:32+00:00\" \/>\r\n<meta property=\"og:image\" content=\"https:\/\/sensing.konicaminolta.us\/wp-content\/uploads\/cm-5_300x200-x73zew6m36.png\" \/>\r\n\t<meta property=\"og:image:width\" content=\"300\" \/>\r\n\t<meta property=\"og:image:height\" content=\"200\" \/>\r\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\r\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\r\n<meta name=\"twitter:site\" content=\"@KMSensingUS\" \/>\r\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/\",\"url\":\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/\",\"name\":\"Color measurement of plastics bottles and tops - Konica Minolta Sensing\",\"isPartOf\":{\"@id\":\"https:\/\/sensing.konicaminolta.us\/us\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/sensing.konicaminolta.us\/us\/blog\/color-measurement-of-plastics-bottles-and-tops\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sensing.konicaminolta.us\/wp-content\/uploads\/cm-5_300x200-x73zew6m36.png\",\"datePublished\":\"2020-04-23T19:56:24+00:00\",\"dateModified\":\"2024-09-18T09:15:32+00:00\",\"description\":\"To control quality many companies have tight specifications and controls on the color of their packaging. 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