This standard is for rigid polyurethane foam insulation boards (hereinafter referred to as insulation) used for thermal and cold insulation below 100℃.
KS M 3809-2006 history
2021KS M 3809-2021 Rigid polyurethane foam for thermal insulation
2020KS M 3809-2020 Rigid polyurethane foam for thermal insulation
2006KS M 3809-2006 Rigid polyurethane foam for thermal insulation
1987KS M 3809-1987 Rigid polyurethane foam for thermal insulation