Material - TeachEngineering



Food Packaging Materials

|Material |Pros |Cons |Chemical Properties/ Changes |Physical Properties/ Changes |

| | | |Involved |Involved |

|Textile/Cloth |Inexpensive |Does not protect food well from gas, |Oxidation |Structure |

| |Is good for transporting things in bulk. |moisture, or physical damages. | | |

| | |Is not usually very aesthetically | | |

| | |pleasing. | | |

|Metal |Completely protects the contents of the contents of |Expensive because of the materials and | |Mass |

| |the package. |manufacturing costs. | |Strength |

| |Suitable for storage and appearance. |Is heavy which makes transportation | | |

| |Tamperproof |costly and inconvenient. | | |

|Glass |Does not allow gas or moisture in or out. |Is heavy which makes transportation |Carbonation |Structure. |

| |Protects food from physical damages. |costly and inconvenient. | |Phase change. |

| |Can be heated. |Can be damaged easily. | | |

| |Can be reused and recycled. |Damage can lead to injuries. | | |

| |Clear in order to display contents. | | | |

| |Rigid to allow easy stacking and storage. | | | |

| |Can be sealed. | | | |

|Plastic Wrap |Inexpensive |Does not protect food from physical |Oxidization |Phase change |

| |Relatively protective from moisture and gasses. |damages. | |Mass |

| |Can be sealed by heat |Amount of moisture and gas protection is | |Structure |

| |- For example, salad bag, candy bar wrapper |small. | | |

| |- Light so it can be |Bad for the environment. | | |

| |handled and transported | | | |

| |easily and inexpensively. | | | |

| |Fits tightly to material so | | | |

| |it does not waste extra | | | |

| |space. | | | |

|Laminated Plastic Wrap |Lamination gives extra protection from moisture and |Does not protect food from physical | |Structure |

| |gasses. |damages. | | |

| |Protects wet foods such as butter. |Bad for the environment. | | |

|Structured Plastic |Keeps gas and liquid in. |Bad for the environment. |Carbonation | |

| |Protects from outside gas and moisture. | | | |

| |Can be sealed. | | | |

|Paper |Can be strong enough to carry heavy foods. |Does not protect food from physical |Oxidation |Strength |

| |As a liner, is an aesthetic protector from dirt. |damages. | |Structure |

| | |Without extra chemicals, does not protect| | |

| | |food from gas or moisture. | | |

|Cardboard |Protects food from most physical damages. |Provides some moisture protection but | |Structure |

| |Can provide a small amount of insulation. |will not hold a great amount of liquid. | |Phase change |

| |Can be heated. | | | |

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