Film/coating	WVP (g × µm/m²/day)	Reference
Pectin^a	113,000	[4]
Pectin^a + 10% nanoclay	108,000	[4]
Pectin^a + 20% nanoclay	102,000	[4]
Pectin^a + 30% nanoclay	87,000	[4]
Chitosan	21,600	[18]
Chitosan + 17% nanoclay	20,000	[18]
Chitosan + 50% nanoclay	18,500	[18]
Chitosan + 67% nanoclay	18,600	[18]
Chitosan crosslinked	11,000	[17]
Chitosan crosslinked + 50% nanoclay	7200	[17]
CNF^b bleached softwood	20,000	[35]
CNF^b bleached hardwood	24,000	[35]
PVA-CNF	31,500	[36]
PVA-CNF + 50% nanoclay	17,500	[36]
CNF bleach birch pulp	17,000	[39]
CNF^a bleach birch pulp	17,000	[39]
CNF bleach birch pulp (heat treated)	15,000	[39]
PVA	45,000	[48]
CNF-PVA	50,000	[48]
Epoxy-CNF-PVA	49,000	[48]