Material of pvc foam of 60 kg/m^3 or 80 kg/m^3 which one should be used for making seat of 2 wheeler vechical (vechicals like activa)?

which density should be used if you have material as PVC FOAM of 2 densitys 60kg\m^3 and another one of 80kg\m^3 which are material used to make seat for 2 vheeler (vechcial like activa )

11 July 2023 8,729 2 View