Five types of materials classified by softening points.

BS 1493:1967
Original price was: $264.16.$132.00Current price is: $132.00.
Specification for polystyrene moulding materials
BSI Group , 05/19/1967

Original price was: $264.16.$132.00Current price is: $132.00.
Specification for polystyrene moulding materials
BSI Group , 05/19/1967