National Scientific Standard Opening 8-425 Screw Thread Vials

Screw Thread Glass Vials

* Standard neck vial, 8-425 thread finish, 12x32mm outer profile

* Superior quality 33 expansion borosilicate clear glass (Type 1, Class A) or 51A amber glass

* Uniformly flat bottom for security with inserts

* I-D® vials feature write-on patch with graduations at 0.5, 1.0 and 1.5mL

* Deactivated vials are Silanized or Kimshield®; pretreated

Polyropyle and Glastic Vials

* Polypropylene vials are an economical alternative to glass for some applications

* Precision-formed tips are designed to aid sample recovery for limited volume applications

* Glastic vial features a glass insert pre-inserted inside of a clear TPX vial