[1] The lack of a code system in some countries has encouraged those who fabricate their own plastic products, such as RepRap and other prosumer 3-D printer users, to adopt a voluntary recycling code based on the more comprehensive Chinese system.
[2] The Standardization Administration of the People's Republic of China (SAC) has defined material codes for different types of plastics in the document GB 16288-2008.
They provide an alternative that eliminates confusion as people often mistake any resin code to be recyclable, but this is not necessarily true.
[9] The label provides information about the packaging material and clearly indicates whether it is recyclable, partially or totally.
OPRL is a not-for-profit organisation that provides simple, consistent 'recycle' & 'refill' labels for retailer & brand packaging in the UK market.