Advantages All Polypropylene design No problematic plunger seal with care . . . reusable! supplied sterile also non-sterilised as required
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PROBLEMS Normal Plastic Syringes eg Terumo, most “pharma” syringes Black Rubber tip Plunger seal - push on fit is a trap for contaminants re re-use built-in obsolescense by “pharma industry” - the black seal is coated with a film of silicone oil - with oily sample this dissolves . . . the tip “dries out “ and plunger wears and sticks . . . thus more of . . . throw-a-way design
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