20.60 Close of comment period Feb 1, 1988
CEN
CEN/TC 117 Thermoplastic and elastomeric roofing and sealing sheeting
European Norm
To specify a method for the determination of the impact resistance, i.e. the resistance to perforation by a free falling mass of thermoplastic and elastomeric roofing and sealing sheets.
IN_DEVELOPMENT
CEN/TC 117 N 42
20.60
Close of comment period
Feb 1, 1988