BS 4841-1:1993

Заменен

Rigid polyurethane (PUR) and polyisocyanurate (PIR) foam for building applications, Specification for laminated board for general purposes — 10 стр.

Заменен на

BS 4841-1:2006

ICS

83.100 Cellular materials / Поропласты

91.100.60 Thermal and sound insulating materials / Тепло- и звукоизоляционные материалы