2A+Kurtis

Food & Liquid Packaging

__Aluminium__

Advantages: Offers a high level of corrosion resistance Hygienic, non toxic, non tainting & retains product flavour Keeps contents fresh from outside substances Very lightweight and manageable Offers a barrier to light and other external properties like UV light

Disadvantages: With acidic food, the acid reacts with the metal to cause an aluminium taste. Sharp edges causing cuts and injuries.

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__Polyethylene Terephthalate__ Polyethylene Terephthalate is a cheap and affordable product used in many companies. Used to make drink bottles, food packaging, and food containers. More info found below.

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Great recyclability and was ranked last environmentally negative.

__Adva____ntages__

Affordable. Easy to maintain. Clean. Strong gas and moisture barrier keeping food and liquids cool and fresh. Great recyclability and was ranked last environmentally negative.

__Disadvantages__

Very susceptible to heat degradation, excessive shear heat should be avoided. May melt in some and bend, which causes change in form. Glass

Why should be glass used for food packaging? Glass has some good advantages but like any other things, there are bad advantages aswell.

__Advantages__

Odourless. Re-usable. Excellent clarity. Suitable for use in microwave. Does not rust. Preserves food taste. Impermeable. easy to maintain and clean.

__Some of the dis-advantages:__

Expensive food packaging. Weakness in glass containers. Exposure to light may affect food the food. Breakable. can cause injuries. very slippery.