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Plastic sample vials: the cost is relatively high compared to glass sample vials. Some corrosive materials cannot be carried by plastic sample vials, but they are convenient to transport and have high recycling value.
Glass sample vials: low cost, not easy to react with substances, but not convenient for transportation.
This is the end of the introduction of The types of HPLC vials cap septa,Why should replace the septa.I hope it can help you.
Glass sample vials