The difference between ordinary white kraft paper and food grade white kraft paper

The difference between ordinary white kraft paper and food grade white kraft paper

Distinguishing standard 1: whiteness
Food grade kraft paper only added a small amount of bleaching agent, low whiteness, color looks a little yellow. Ordinary grade white cattle paper is added with a large number of bleaching agents, with high whiteness.
Distinguishing standard 2: ash control
There are strict control standards for food grade kraft paper, and each index is allocated according to food grade requirements. Therefore, the ash content of food grade white kraft paper is controlled at a very low level, while the ash content of ordinary grade white kraft paper is higher in order to reduce costs.
Distinguishing standard 3: Test Report
According to the requirements of food grade packaging materials in China, food grade white kraft paper must pass QS test, while ordinary grade is not required.
Distinguishing standard 4: price
Although the price is not very different, it is also an important reference value. The price of food grade kraft paper is higher than that of ordinary grade kraft paper.

 


Post time: Mar-31-2020

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