Material: barrel-made of medical, transparent polypropylene with plunger stopped ring.
Plunger: made of medical polypropylene.
Standard piston: made of natural rubber with two retaining rings.
Latex free piston: made of synthetic non cytotoxic rubber, free from the protein of the natural latex to avoid possible allergy. According to the iso9626.
Needle hub: made of medical grade pvc colored according to iso6009.
Needle protector: made of medical grade transparent pvc or pe.
Lubricant: silicone oil, medical grade(iso764 and usp class vi)
Graduation: indelible ink
Blister or plastic package: medical grade paper and plastic film.