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08

2020

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12

A Lesson in Knowledge: A Brief Discussion on Methods for Enhancing the Transparency of Plastic Packaging Bags


When selecting products from a plastic packaging bag manufacturer, an important criterion for assessing quality is transparency: the higher the transparency, the better the quality. Therefore, manufacturers should prioritize enhancing transparency during production.

  Qingdao Platinum Packaging Technology Co., Ltd. is a manufacturing enterprise specializing in plastic flexible packaging, encompassing the research and development of new plastic materials, printing, laminating, slitting, bag-making, and related R&D. The company’s production base is located in the Jiaobei Industrial Park, Jiaozhou City, Qingdao, while its business operations and R&D center are situated in the Shinan District of Qingdao. With many years of experience, the company produces high‑quality plastic flexible packaging materials and comprehensive packaging solutions. Its main product lines include: laminated plastic packaging bags, color‑printed packaging bags, food‑grade packaging bags, vacuum‑sealed bags, retort pouches, low‑temperature frozen‑food bags, cat litter bags, and rolls of automatic packaging films for food and medical applications; as well as transfer printing films, warning tapes, flag‑type tapes, bird‑repellent tapes, and cable ties for air conditioners, among others.

  To select and purchase Plastic packaging bag For manufacturers, an important criterion for assessing product quality is transparency: the higher the transparency, the better the quality. Therefore, manufacturers should prioritize enhancing transparency during production.

  To achieve this, it is necessary to reduce the material’s crystallinity; carefully controlling the quality of crystallization is crucial. Additionally, nucleating agents can be added to enhance the light transmittance of transparent resins, as they promote the formation of small crystalline nuclei that act as crystal seeds within the resin. When improving the transparency of biaxially oriented plastic films, the primary approach is to break up existing crystalline particles, thereby reducing their size and increasing light transmission. During procurement, it is also important to thoroughly assess the material’s transparency.

  When assessing the transparency of plastic packaging films, numerous metrics are employed, including light transmittance, haze, refractive index, birefringence, and dispersion; all of these parameters provide valuable insights.

  That concludes today’s presentation. For more information, please visit our official website.  Plastic packaging bag

Plastic packaging bag