Ocean pollution composition
Thermoplastics amount to well over 95% of all plastic found during ocean studies. Polyurethanes, however, account for less than 2% of all waste detected during ocean surveys. Thermoplastics, with their weak inter-strand bonds, produce microplastics.
Synthetic fibres to make up a good share of microplastics found in waters. In fact, it’s been suggested that more than 4,500 fibres can be released per gram of clothing per wash, according to the Plastic Soup Foundation.