[DWK Life Sciences] Product Overview

45 Caps & Closures

Polypropylene Screw Caps ■ Use these caps with WHEATON or other manufacturers’ glass bottles or vials ■ Polyvinyl liners can be used with mild acids, alkalis, solvents and alcohols ■ Foamed polyethylene (PE) liner provides chemical resistance for acids, alkalis, solvents and alcohols ■ PTFE faced foamed PE liner ideal for use with high purity chemicals, strong acids and solvents ■ Open top caps provide access with a syringe ■ Open top caps with pre-slit liner are ideal for use in automated liquid handling equipment

Cat. No. 239201 239401 239273 239225 239425

Cap Size 13-425 13-425 13-425 13-425 13-425 13-425 13-425 13-425 13-425 13-425 13-425 13-425

Cap Style Solid Top Solid Top Solid Top Solid Top Solid Top Solid Top Solid Top Open Top Open Top Open Top Open Top Open Top

Cap Material Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene

Color White White White White White White White White White Black Black Black

Cap Liner

Autoclavable

Qty / Pack

Qty / Case

Poly-Vinyl / Pulp Poly-Vinyl / Pulp

No No No No No

72

144

15,000

Foamed PE

72 72

144 144

PTFE / Foamed PE PTFE / Foamed PE

— —

19,000

W240830 W240831 W240840 W240841 W242710 W240848 W240849

Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone

Yes Yes Yes Yes Yes Yes Yes

250

250

1000

250

250

1000

— —

250 250

Pre-Slit Bonded PTFE / Silicone Pre-Slit Bonded PTFE / Silicone

250

1000

242210

15-415

Solid Top

Polypropylene

White

Foamed PE

No

200

239202 239274 239226

15-425 15-425 15-425 15-425 15-425 15-425 15-425 15-425 15-425 18-400 18-400 18-400 18-400

Solid Top Solid Top Solid Top Solid Top Solid Top Open Top Open Top Open Top Open Top Solid Top Solid Top Solid Top Solid Top

Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene

White White White White White White White Black Black White White White White

Poly-Vinyl / Pulp

No No No

72 72 72

144 144 144 250

Foamed PE

PTFE / Foamed PE

W240832 W240833 W240842 W240843 W240850 W240851

Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone

Yes Yes Yes Yes Yes Yes

250

1000

250

250

1000

Pre-Slit Bonded PTFE / Silicone Pre-Slit Bonded PTFE / Silicone

250

250

1000

239203 239275 242212 239227

Poly-Vinyl / Pulp

No No No No

72 72

144 144 200 144

Foamed PE Foamed PE

PTFE / Foamed PE

72

242214

18-415

Solid Top

Polypropylene

White

Foamed PE

No

200

242216 239229

20-400 20-400

Solid Top Solid Top

Polypropylene Polypropylene

White White

Foamed PE

No No

200 144

PTFE / Foamed PE

72

242217

20-410

Solid Top

Polypropylene

White

Foamed PE

No

200

239207 242218 239231

22-400 22-400 22-400 22-400 22-400 22-400 22-400 24-400 24-400 24-400 24-400 24-400 24-400 24-400 24-400 24-400

Solid Top Solid Top Solid Top Solid Top Solid Top Open Top Open Top Solid Top Solid Top Solid Top Solid Top Solid Top Solid Top Solid Top Solid Top Open Top

Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene Polypropylene

White White White White White White White White White White White White White White White White

Poly-Vinyl / Pulp

No No No

72

144 200 144 100 500 100 500 144 144 200

Foamed PE

PTFE / Foamed PE

72

W240834 W240835 W240844 W240845

Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone

Yes Yes Yes Yes

100

100

239209 239281 242220 240805 239233 239433

Poly-Vinyl / Pulp

No No No No No No

72 72

Foamed PE Foamed PE Foil / Pulp

— —

1000

PTFE / Foamed PE PTFE / Foamed PE

72

144

— —

5,500

W240836 W240837 W240846

Bonded PTFE / Silicone Bonded PTFE / Silicone Bonded PTFE / Silicone

Yes Yes Yes

100 500 100

100

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