Recycling symbols colorful

Colorful recycling symbols indicate different material types and disposal processes, essential for waste management.

About this subject

Recycling symbols are standardized pictograms that identify the material type of packaging and guide proper disposal. The most common set includes the Mobius loop triangle with numbers 1 to 7 (PET, HDPE, PVC, LDPE, PP, PS, and others), plus specific symbols for glass, metal, paper, and organics. Each color has a meaning: blue for paper, red for plastic, green for glass, yellow for metal, brown for organics, and gray for non-recyclable waste. This color coding is regulated by standards such as ABNT NBR 13230 in Brazil and the National Solid Waste Policy (Law 12.305/2010). The use of colors facilitates sorting at cooperatives and recycling centers, increasing material recovery efficiency. In other countries, colors may vary: in Europe, green is often used for glass and yellow for lightweight packaging. Global standardization remains a challenge, but initiatives like ISO 14021 aim to harmonize symbols. Understanding these symbols helps citizens actively participate in selective collection, reducing recyclable contamination and landfill waste.

Frequently Asked Questions

What does the Mobius triangle with a number inside mean?

The Mobius triangle with numbers 1 to 7 indicates the type of plastic in the packaging. Each number corresponds to a specific polymer, such as PET (1) and HDPE (2), aiding recycling.

What color is used for organic waste in selective collection?

The standard color for organic waste is brown, according to CONAMA resolution. Gray is used for non-recyclable rejects.

Do all countries use the same recycling colors?

No. Colors may vary by local legislation. In Brazil, the standard is blue (paper), red (plastic), green (glass), yellow (metal), brown (organics), and gray (non-recyclables), but in Europe green often represents glass.