Help information:
The unknown polymeric material is classified by its shape into four classes:
-fibre - this category includes all textiles, strings and ropes
-film - this category includes mainly packaging materials, cling-films, etc.; films are understood as products thick upto 0.25 mm
-block - this category includes various products such as cups or pipes
-foam - as a foam one can understand porous materials and products used mainly as insulation (insulation from sound, heat insulant, etc.)