The following is a list of plastic recycling codes, universally used in the plastics industry. The codes can be used to determine a type of plastic and so identify what surface coatings will adhere to that surface.
| ||PETE - Polyethylene Terephthalate Product examples: Soft drinks bottles & cooking oils.|
| ||HDPE - High Density Polyethylene Product examples: Containers for fruit juice & liquid detergent.|
| ||V - Polyvinyl Chloride Product examples: Water pipes, bottles for shampoo & mineral water.|
| ||LDPE - Low Density Polyethylene Product examples: Shopping bags & houseware.|
| ||PP - Polypropylene Product examples: Household storage containers.|
| ||PS - Polystyrene Product examples: Disposable drinks cups & fast food containers.|
| ||OTHER - Other types of less commonly used plastics Product examples: Food containers.|