This standard specifies three methods for determining the compression set of flexible foam polymeric materials. This standard applies to latex foam and polyurethane foam with a thickness greater than 2mm.
GB/T 6669-2008 Referenced Document
GB/T 6342-1996 Cellular plastics and rubbers--Determination of linear dimensions
GB/T 6669-2008 history
2008GB/T 6669-2008 Flexible cellular polymeric materials.Determination of compression set
2001GB/T 6669-2001 Polymeric material cellular flexible Determination of compression set