Requirements for food tin box

When buying tin cans, the most important thing is to buy 99.9% purity tin ware. The purity of tin ware affects its practical and practical value. The purer the tin, the more durable and useful it is. Used for storing and packaging tea, it will not produce harmful substances and oxides. Due to the preservation function of tin containers, high-purity tin can perform its functions well, and high-purity tin cans have good sealing performance. Low purity tin containers not only damage the preservation function, but also produce harmful substances that affect the freshness and taste of tea leaves. Tin vessels with a purity below 97% are considered inferior in quality.

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