Plastic classification: the 7 types you should know about
Although almost everything we know is called "plastic", this term has within it, different components that consolidate the types of plastics. This novel material for mankind has been one of the fastest growing in production and commercialization, leaving a questionable and highly negative impact on the planet.
Currently, many of the companies seeking to develop plastic are experimenting with planet-friendly alternatives. So here we tell you what types of plastic there are, and which ones are in accordance with environmental care.
Types of plastic
There is a rating of plastics that divides them into seven categories, all numbered from 1 to 7 that appear within objects made of plastics. This numbering provides us with a huge amount of information about the production plastic of the particular object but what are they made of? How are they recycled? Read on:
1. PET Polyethylene Terephthalate
The composition of PET comes from the polycondensation between ethylene glycol and terephthalic. Therefore, its composition achieves a transparency unmatched in other plastics, and at the same time it is suitable for the use of colorants in its composition.
Among the different types of plastics, the main characteristic of this one is its ease of recycling. Although it is a resistant and flexible material, its practicality means that it can be recycled in many ways, and not necessarily in a specialized plant. This material is used for packaging products such as: oil, water, juices; generally everything related to food packaging.
Once recycled, it can fulfill other functions. This is the case of reused bottles for construction, or if it disintegrates, the plastic fibers can be used to create textile fibers. Currently, there are many projects in cities that facilitate the recycling of these types of plastics, either in homes or in communities seeking alternatives for their use.
Among the plastics, this is the most environmentally friendly, but if it is not deposited correctly for recycling, it can take between 500 and 1,000 years to decompose.
High Resistance
CO2 and moisture barrier
Recyclable
Light
Waterproof
Approved for food contact use
Transparency and colorant admission
2. HDEP High Density Polyethylene
This category of material has a physical consistency that is not very flexible. It tends to be very hard which makes it suitable for use in the packaging of many products. Such as dairy products, soft drinks, detergents and other liquid products, which are sold on the market in this presentation.
These containers are highly resistant to chemical impacts, so although they can be recycled, they require an additional process to reuse the material.
Can be easily recycled and reused
High chemical and thermal resistance
Solid, colorless
Rigid
Light
Waterproof
Resistant to water, acids and various solvents
Processed for reuse and easy recycling
3. PVC Polyvinyl
The composition of polyvinyl makes it one of the most malleable and widely used plastics. Its combination of carbon and chlorine gives it versatility and resistance. Therefore, it can be used for flexible products such as hoses or wiring, and it can also be rigid in cards or pipes of higher density and resistance.