This standard BS 7476:1991 Specification for polyethylene film for covering silage is classified in these ICS categories:
83.140.10 Films and sheets
This British Standard specifies the requirements for, and the dimensional tolerances of, flexible non-reinforced polyethylene film suitable for covering silage, available in widths above 4 m and thicknesses greater than 125 µm.
Requirements and dimensional tolerances of flexible non-reinforced polyethylene film, available in widths above 4 m and thickness greater than 125 μ mm.