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How to improve the transparency of blister packaging materials

The reason why plastic packaging materials can be recognized by the majority of businesses in the field of packaging, the most important factor is that plastic packaging materials have the same high-quality transparent characteristics of glass materials, which can better display the packaged goods and improve the image and grade of the goods. However, in the production and processing of blister packaging materials and products, there are many factors that affect the transparency of blister packaging products, which is not conducive to the packaging display of products. In order to improve the transparency of packaging materials, Dongguan anti-static plastic factory has introduced and analyzed the factors that affect the transparency.


The standards for judging the transparency of plastic packaging materials usually include transmittance, haze, refractive index, birefringence and dispersion. According to the light transmittance of the blister packaging material, it can be divided into: transparent plastic packaging material, the light transmittance of the visible light with the wavelength of 400nm-800nm is more than 80%; translucent plastic packaging material: the light transmittance of the visible light with the wavelength of 400nm-800nm is between 50% - 80%; opaque packaging material: the refractive index of the visible light with the wavelength of 400nm-800nm is less than 50%.


After understanding the factors that affect the transparency of blister packaging products, of course, the following small series will introduce the methods to improve the transparency of blister packaging materials, mainly including: reducing the crystallinity, controlling the purity of plastic production, improving the refractive index, reducing the birefringence and other methods Dongguan anti-static Blister Factory.

1. Through the addition of nucleating agent, the transparency of transparent resin is increased, and the crystalline small molecular substances are promoted to play the role of crystal nucleus;

2. By improving the transparency of plastics by biaxial stretching, the original crystal particles in the products can be broken and the crystal size can be reduced, so as to improve the light transmittance;

3. To improve the transparency of plastics by blending is to add other resins into the transparent resin to improve the transparency of Dongguan anti-static plastic factory.


For improving the transparency of blister packaging materials, I believe we all know now!

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