This standard specifies the requirements for polyether type load-bearing flexible polyurethane foam (hereinafter referred to as foam). This standard does not apply to foams grown in-place, foams used in heat-sealing applications other than load-bearing applications, foams used in carpet backing, packaging cushioning, etc.
JIS K 6401:2006 history
2023JIS K 6401:2023 Flexible cellular polymeric materials -- Polyurethane foam for load-bearing applications excluding carpet underlay -- Specification
2011JIS K 6401:2011 Flexible cellular polymeric materials -- Polyurethane foam for load-bearing applications excluding carpet underlay -- Specification
2006JIS K 6401:2006 Polymeric materials, cellular flexible -- Polyurethane foam for load-bearing applications -- Specification