Conical & Polyspring® Inserts–500 to 700 µl Fill Volume; 1 to 7 µl Dead Volume

Use with any 4 ml Screw Thread vial
Polyspring inserts self-center and align automatically
Wide opening facilitates easy sample loading and withdrawal
Glass inserts are 33 expansion borosilicate glass

Catalog # Description
100/pk
1000/cs
C4015-641 Polyspring Glass Inserts, Conical with precision-formed mandrel interior, Flange at top of insert, 500 µl capacity, 1 µl dead volume
C4015-643 Conical Glass Inserts, Most Economical! Conical with pulled-point interior, Flange at top of insert, Require C4015-640 metal springs, 500 µl capacity, 4 µl dead volume
C4015-640 Metal Springs, Use with conical glass insert, C4015-643
C4015-638 Polyspring Glass Inserts, Conical with pulled-point interior, 700 µl capacity, 7 µl dead volume


Polyspring® Glass Inserts–for 4ml Screw Thread vials

Eliminates dead volume 9with correct autosampler default setting
Damage-free syringe needle injections
Permits maximum sample extraction
Shock-absorbing Polyspring
Self-aligning, stands straight

Catalog # Description
100/pk
C4015-S641 Silanized Polyspring Glass Inserts, Conical with precision-formed mandrel interior, Flange at top of insert, 500 µl capacity, 33 expansion borosilicate glass


Conical Glass Inserts–for 4ml Screw Thread vials

The economical choice for microvolume sampling

Catalog # Description
100/pk
C4015-642 Glass Insert, Conical with precision-formed mandrel interior, flange at top of insert, 500 capacity, 33 expansion borosilicate glass, require C4015-640 metal springs