Table 8.

UNICPS plastics commodities used and conversion factors applied.

UNICPS dataset 1970–2003		UNICPS dataset 1995 - 2016
UNICPS code	UNICPS commodity category	UNICPS code	UNICPS commodity category	kg/US$
351310	Alkyd resins	34710–1	Polyethylene having a specific gravity of less than 0.94, in primary forms	0,95
351313	Aminoplastic resins	34710–2	Polyethylene having a specific gravity of 0.94 or more, in primary forms	0,87
351316	Phenolic and cresylic plastics	34720–1	Polystyrene, in primary forms	0,78
351318	Artificial resins and plastic materials	34720–2	Styrene-acrylonitrile and acrylonitrile-butadiene-styrene copolymers, in primary forms	0,52
351319	Polyethylene	34730–1	Polyvinyl chloride, in primary forms	0,99
351320	Ethylene-vinyl acetate copolymers	34740–1	Polycarbonates, in primary forms	0,47
351322	Polypropylene	34740–2	Polyethylene terephthalate, in primary forms	0,99
351323	Acrylic polymers	34790–1	Polypropylene, in primary forms	3,52
351326	Polyacetals	34790–2	Acrylic polymers in primary forms	1,00
351328	Polyvinyl chloride	34790–3	Polyamides in primary forms	0,51
		34790–4	Amino-resins, phenolic resins and polyurethanes, in primary forms	1,42
		34790–5	Silicones in primary forms	0,29
		34800–0	Synthetic rubber	0,19