[DWK Life Sciences] Product Overview

47 Caps & Closures

Microlink ® Screw Caps ■ Ideal for use with biological media, volatile solvents, corrosive chemicals and sensitive compounds ■ Liner is ultrasonically welded to the cap to eliminate the possibility of glue contamination and bond failure common with autoclaving ■ Available in convenient Lab Pack quantities as well as larger Case Packs ■ Low-compression-set silicone ideal for the storage of samples for prolonged period of time over wide temperature ranges ■ PTFE or polypropylene on the exposed face of the liner imparts an inert, chemical-resistant surface ■ Open top caps provide access with a syringe ■ Autoclavable Cat. No. Cap Size Cap Style Cap Material Color

Cap Liner

Autoclavable

Qty / Case

240250-01

20-400 20-400

Solid Top Solid Top

Polypropylene Polypropylene

White White

PP / Silicone / PTFE PP / Silicone / PTFE

Yes Yes

48

240250

600

240251-01

24-400

Solid Top

Polypropylene

White

PP / Silicone / PTFE

Yes

48

240240-01

28-400

Open Top

Polypropylene

White

PP / Silicone / PTFE

Yes

48

240241-01

33-400 33-400

Open Top Open Top

Polypropylene Polypropylene

White White

PP / Silicone / PTFE PP / Silicone / PTFE

Yes Yes

24

240241

240

240106 240112

33-430 33-430

Solid Top Open Top

Polypropylene Polypropylene

Black Black

PP / Silicone

Yes Yes

50 50

PP / Silicone / PTFE

240235-01 240256-01

38-430 38-430 38-430 70-400

Solid Top Solid Top Open Top Solid Top

Polypropylene Polypropylene Polypropylene Polypropylene

White White Black White

PP / Silicone / PP PP / Silicone / PTFE PP / Silicone / PTFE PP / Silicone / PTFE

Yes Yes Yes Yes

24 24 50 12

240114 240200

Septa for Open Top Caps, Autoclavable

Liquid Scintillation Vial Screw Caps ■ Screw caps for WHEATON liquid scintillation vials ■ Use as replacement caps or for vials that are provided without caps ■ Choose the right size screw cap for your vial ■ Select cap and liner material for your application ■ Not autoclavable Cat. No. Cap Size (mm) Cap Material

Cat. No.

For Cap Size (mm)

Material

Qty / Case

Locking Flange Septa 240563 33

Cap Liner Material Qty / Case

Chlorobutyl / 50

100

241009 240804 241017 240817 240917 241317 240805 241018 240818

15-425 22-400 22-400 22-400 22-400 22-400 24-400 24-400 24-400

Urea

Metal Foil Metal Foil Metal Foil

1000 1000 1000 1000 1000 1000 1000 1000 1000

Polypropylene

Plain Septa W240580 W240581A W240583A W240593 W240584A W240594 W240585 W240596 W240586A W240587 W240598A W240588B W240599 W240590 I052665

Urea Urea Urea

8 8

Red PTFE Faced Silicone PTFE Faced Silicone PTFE Faced Silicone PTFE Faced Butadiene PTFE Faced Silicone

100 100 100 100 100 100 100 100 100 100 100 100 100 100

Polyethylene Disc

PE Cone Linerless Foil / Pulp Metal Foil

13 13 15 15 18 20 20 22 24 24 24 33 45

Polyethylene Polypropylene

Urea Urea

PTFE Faced Natural Red Rubber

Polyethylene Disc

PTFE Faced Silicone

ETFE Faced Natural Red Rubber

PTFE Faced Silicone PTFE Faced Silicone

PTFE Faced Semi-Translucent Silicone

PTFE Faced White Silicone PTFE / Silicone / PTFE PTFE Faced Silicone PTFE Faced Silicone for Celstir ® Sidearm Cap

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