The fruits and vegetables picked on the same day were put into graphene stone boxes and cartons for testing, and the graphene stone boxes had higher preservation performance and could prolong the shelf life of food to a limited extent.
Eco-friendly board - gray
Eco-friendly board - blue
Eco-friendly board - dark gray
Eco-friendly board - yellow
Protect from light
Step 1: Raw material extraction
Step 2: Grind into calcium carbonate splits
Step 3: Add graphene and other materials
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