This Defence Standard (Def Stan) specifies technical requirements for seven types of mineral wool products for acoustic and thermal insulation for applications on HM Ships and Submarines.

Requirements that are common to all types of mineral wool products are described in the main part of the standard.

Requirements for materials and method of manufacture, plus physical, thermal and fire properties of various types of mineral wool products used for specific applications according to Def Stan 02-703, are specified in annexes A to G of this Def Stan. Test methods are specified in Annex H. Glass cloth facings, lightweight glass tissue backings and adhesives are specified in Annex I.