GB/T 24451-2020 (English Version) PDF

Scope: This standard specifies the classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage of slow-resilience flexible polyurethane foam. This standard applies to free-foamed block, sheet and strip or cut-formed slow-resilience flexible polyurethane foam, and also applies to slow-resilience flexible polyurethane foam made by molding.

GB/T 24451-2020 Referenced Document

GB/T 10807-2006 Flexible cellular polymeric materials - Determination of hardness (indentation technique)
GB/T 10808-2006 Flexible cellular polymeric materials.Determination of tear strength
GB/T 26392-2011 Slow recovery foam.Determination of recovery time
GB/T 2918-2018 Standard environment for conditioning and testing of plastic specimens
GB/T 531.1-2008 Rubber,vulcanized or thermoplastic.Determination of indentation hardness.Part 1:Duromerer method( Shore hardness)
GB/T 6342-1996 Cellular plastics and rubbers--Determination of linear dimensions
GB/T 6343-2009 Cellular plastics and rubbers.Determination of apparent density
GB/T 6344-2008 Flexible celluar polymeric materials.Determination of tensile strength and elongation at break
GB/T 6669-2008 Flexible cellular polymeric materials.Determination of compression set
GB/T 6670-2008 Flexible cellular polymeric materials.Determination of resilience by ball rebound
GB/T 9345.1-2008 Plastics.Determination of ash.Part1:General methods
GB/T 9640-2008 Flexible and rigid cellular polymeric meterials.Accelerated ageing tests
QB/T 2819-2006 Flexible cellular materials determination of long time fatigue
QC/T 850-2011 Polyurethane foam for seating of passenger car

2020 GB/T 24451-2020 Low resilience flexible polyurethane cellular plastics
2009 GB/T 24451-2009 Low resilience flexible polyether polyurethane cellular plastics