Assertion: polypropylene | /r/HasProperty | regular
Facets:
value: geometrically
type: DEGREE
Source sentences:
text: Most polypropylene used is highly crystalline and geometrically regular (i.e. isotactic) opposite to amorphous thermoplastics, such as polystyrene, PVC, polyamide, etc., which radicals are placed radomly (i.e. atactic).