The first thing we must know is that not all plastic containers are made of the same material, and know with what material have been made is very simple if you look at the drawing of the triangle of arrows with a number inside that, contrary to what many people think, does not indicate the number of times that you can reuse or refill , butindicates the material with which the container is made.
Type 1. Polyethylene terephthalate (PET) you can fill the water bottles?
The PET is one of the materials that are more easily found in products destined for food, such as bottles of water and soft drinks, bottles of oil, tupers food home, glasses from plastic, etc. Some brands recommended in the labelling that will not fill, but this is not because the plastic becomes toxic if we take in a little more water.
If he is recommended not use them more than once is a question of hygiene (if you want to fill them with water must wash them well with water and SOAP to prevent the proliferation of bacteria, just like we would with a pitcher that we have used to serve tap water on the table at mealtime or vessel used to drink (, which always wash them before using them) and to avoid accidents when they are filled with liquids unfit for consumption that may be confused with water, as have been many cases of people who have accidentally drunk bleach and similar products thinking of drinking water. Conclusion, we can always fill the water bottle and when it is clean and in good condition – must be taken into account that after every wash the bottle is going to deteriorate – and we should avoid drinking from a bottle that we have not filled.
That said, the PET is a material that you can recycle if we take care to dispose of the container adecudado.
Type 2. High density polyethylene (HDPE). Plastic bags can be reused?
It is a more rigid plastic that is used to make plastic containers for milk bottles, bottles of oil, detergents and plastic bags. It is very resistant to cold and heat and holds well in the open. It is one of the safest, is completely recyclable and can be reused without any problem. Obviously keeping the basic rules of hygiene and place food in contact with plastic containers that were not originally for that use.
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