Respiratory protective devices. Marking and information supplied by the manufacturer Ingestion-build-47182 medium expansion foam is defined

medium expansion foam is defined as foam which has an expansion ratio greater than or equal to 20 but less than 200

Service and maintenance

Inconsistency of types in Clause 4 has been resolved

while to assist in the intercomparison of VGI figures

Use of these alternatives will not affect the performance of this method

Respiratory protective devices. Marking and information supplied by the manufacturer Ingestion-build-47182 medium expansion foam is defined1 Scope This Technical Specification gives guidance on the marking to be used on respiratory protective devices (RPD) and the information to be supplied by the manufacturer supplier.