Historical
ISO 845:1988
Cellular plastics and rubbers - Determination of apparent (bulk) density
Specification of a method for determining the apparent density or the bulk density of rigid, semi-rigid or flexible cellular plastics and rubbers. If the material to be tested includes skins formed during moulding, the apparent overall density or the apparent core density may be determined. Each test piece shall be of a shape, that its volume can be easily calculated.
International Organization for Standardization [iso]