Polyethylene can be processed into soft and flexible as well as into tough, hard and strong products.
Source: http://www.plasticseurope.org/information-centre/education-portal/resources-room/abc-of-plastics/the-abc-of-polyethylene.aspx
No, it is not durable enough and too soft.
Hard
soft you can bend and hard you can not
it is hard and sometimes soft
hard
"Treated wood can be soft or hard." But, generally what is bought from a lumberyard is soft.
soft
Soft
I'm pretty sure only "g" and "c" can be either hard or soft. Example: Girl (hard) and giant (soft) Cool (hard) and circus (soft)
Cheese. There are four main types of cheese: soft, semi-soft, semi-hard, and hard.
is larch wood soft or hard wood
one is soft and the other is hard