What are the differences between regular white cardboard and food grade white cardboard?
Frequently asked question: "Such seemingly white buckets are likely to have added a lot of whitening agents." Industry authoritative experts indicate that the raw materials used to make popcorn buckets must be“Food grade white cardboard”,Our country's regulations prohibit the use of waste paper and prohibit the use of whitening agents. Little did they know that some manufacturers, in order to better control costs, use recycled waste paper to produce and manufacture without the need for foodGrade white cardboardProduction and manufacturing, but due to the substandard quality of paper paddles, it is necessary to add a lot of whitening agents to make the water cup look whiter, which seriously threatens physical and mental health.

Food grade white cardboard does not contain whitening agents and harmful ingredients to the body, can be used as food packaging materials and other fields. General white cardboard is generally required to have a higher fineness, and the addition of whitening agents is harmful to the body, and it is not like food-grade white cardboard that can be immediately used as food packaging materials. In the production and manufacturing of these two processing processes are the same, food grade stainless steel on the production line of the natural environment is high, the composition of the printing paper is high, can not be with harmful chemicals to the body. , White cardboard is a kind of tall and strong, quantitative analysis of large thick paper. In the past, some people proposed to use quantitative analysis as a standard to divide: printing paper, paper cards and cardboard; Earlier in the Shanghai market, the quantitative analysis of 200g/m2 of white thick paper (smooth surface, after smoothing, high tensile strength, and some people say thin cardboard), called heavy message paper. It's actually a paper card. The most common paper card is not colored and is commonly called white paper. If colored, according to the color called color card. The scope of application of white cardstock is to package and print personal business cards, qualifications, stickers, covers, monthly calendars and post office postcards.