We only use plastics that are rated to be safe for use in contact with hot food during preparation. Specifically, the rubber seal is made of silicone, a material commonly used in cooking such as for cupcake baking pans and flexible spatulas. All the other materials used in the manufacture of the AeroPress are polypropylene which is probably the most common plastic in your kitchen. It is for example the material of choice for most drip coffee makers.
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- next post: My partner bought me a new aero press for my birthday. We have used a friends before. When we use it (first time and second) the water falls straight through (doesn't drip). Is it faulty? We have followed the instructions and video – my friends lets water pass slowly, this just falls through. Thank you for your help. – From Olwen D.