How to identify the authenticity of leather? Summary "Leather" is a common word in the leather product market, and it is a customary term for natural leather to distinguish synthetic leather; in consumers'
Polyvinyl chloride film can be roughly divided into two categories, one is plasticized PVC film, also known as soft PVC film (Plasticized PVC Film), and the other is unplasticized PVC film, also known as hard PVC film (U
a. It has a special weave pattern, design creativity and artistic texture; b. It has stable physical and chemical properties, acid and alkali resistance, anti-microbial resistance, is not afraid of water, prevents mil
Make sure that the amount of slurry added is unchanged at 1.3%, change the content of dispersant K-61 in the slurry and the grinding time according to Table 1, and study the effect of the amount of dispersant and grindin
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