The three characteristics that food contact surfaces must have are:
-Non-toxic
-Resistant to corrosion
-Non-abrasive
Food Contact Surfaces
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Food contact surfaces must be smooth.
Food contact surfaces must be non
sticky
Food contact surfaces must be easily cleanable
porous.
Food contact surfaces must be durable.
Food contact surfaces must be easy to clean.
Food contact surfaces must be chemical resistant.
A food contact surface must be porous so that liquids and gasses can escape. This is important because it allows the surface to be cleaned easily. It is also important that the surface is durable so that it does not wear down over time. Finally, the surface must be easy to clean so that bacteria and other contaminants do not build up.
Conclusion
Food contact surfaces must be clean, safe, and non-toxic.