In the gravure printing industry, color difference control is one of the key factors to ensure product quality and consistency. For packaging paper, accurate color reproduction is not only related to the aesthetics of the product, but also directly affects consumers\\\\\\\' purchasing decisions and brand image. This article briefly introduces the measurement method of color difference of gravure printing packaging paper.

D50 and D65 are two commonly used artificial sunlight simulations in standard light boxes. They play an important role in simulating natural light lighting effects, especially in color evaluation and printing industries. However, the printing industry generally uses D50 light sources, and rarely uses D65 light sources. So why do we use D50 for printing color matching? Can D65 replace D50? The following is a brief introduction.

The color of oils and fats is often an important basis for determining the grade, pricing and consumer selection. When we buy edible oils, we will use color to identify the quality of oils and fats. Therefore, color has become one of the important indicators of edible oil quality. So, how to measure the color of oils and fats? This article introduces the method of measuring the color of oils and fats.

The glossiness of cucumber peel can greatly affect the marketability of the fruit and is a very important economic trait. Fruits with a glossy luster can usually improve their marketability, influence consumers\' consumption psychology, and are loved by consumers. This article introduces the factors and measurement methods of cucumber peel glossiness.

What is the Relationship between Haze and Transmittance? Do Haze and Transmittance Have Units?Haze and transmittance are important optical performance indicators of transparent materials. The former is used to characterize the irregular state of transparent materials, such as fog or chaos, while the latter is used to characterize the ability of light to penetrate the material medium. It can be measured using a haze meter. So, what is the relationship between haze and transmittance? Do haze and transmittance have units?

Aerosol paint has a wide range of uses, mainly for repair, marking and graffiti. As people get to know more about aerosol paint, the requirements for various indicators of aerosol paint, especially the glossiness of the coating, are becoming more personalized and diversified. The glossiness of aerosol paint is one of the main indicators for measuring the appearance quality of the coating. This article introduces the application of gloss meter in the glossiness measurement of aerosol paint.