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DWK Life Sciences MicroLiter 20mm Crimp Top Headspace Vial Septas and Stoppers Available on GSA/VA Contract for Federal Government customers only.

Butyl stoppers can be used when PTFE is not required. Butyl/PTFE septa are an economical choice with low background peaks.

$14.25 - $520.51

Specifications

Closure Size 20 mm
Pre-slit No
For Use With (Equipment) 20 mm Headspace Seals - MicroLiter
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Products 14
Catalog Number Mfr. No. Closure Color Septum Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Closure Color Septum Quantity Price Quantity & Availability  
15-111-643
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DWK Life Sciences
200020
Black Butyl 100
Pack of 100 for $25.58
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15-111-644
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DWK Life Sciences
200020B
Black Butyl, bulk 100
Pack of 100 for $212.13
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15-111-657
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DWK Life Sciences
200021
Black Chemically inert butyl 100
Pack of 100 for $25.50
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15-111-677
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DWK Life Sciences
200030
Gray PTFE/Butyl 100
Pack of 100 for $61.26
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15-111-690
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DWK Life Sciences
200040
Gray Molded PTFE/Butyl 100
Pack of 100 for $71.02
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15-111-702
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DWK Life Sciences
200050
Blue Natural PTFE/Blue Silicone 100
Pack of 100 for $70.00
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15-111-721
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DWK Life Sciences
200051
White Tan PTFE/White Silicone 100
Pack of 100 for $68.25
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15-111-722
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DWK Life Sciences
200051B
White Tan PTFE/White Silicone 1000
Pack of 1000 for $520.51
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15-111-739
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DWK Life Sciences
200060
White Aluminum Foil/Silicone 100
Pack of 100 for $105.53
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15-111-670 Available on GSA/VA Contract for Federal Government customers only.
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DWK Life Sciences
200025
Gray Butyl stopper 100
Pack of 100 for $14.25
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15-111-671
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DWK Life Sciences
200025B
Gray Butyl stopper bulk 100
Pack of 100 for $128.00
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15-111-672
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DWK Life Sciences
200025L3
Gray Butyl 3-leg stopper 100
Pack of 100 for $19.25
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15-111-675
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DWK Life Sciences
200027
Gray Butyl stopper 100
Pack of 100 for $18.13
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15-111-676
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DWK Life Sciences
200027B
Gray Butyl stopper bulk 1000
Pack of 1000 for $167.36
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Description

Description

Molded PTFE/butyl septa offer the tightest seal of all PTFE items, as well as low background peaks. PTFE/silicone septa are excellent for volatiles. Aluminum/silicone septa are also excellent for volatiles, but not suitable for repeat injections.

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Specifications

Specifications

20 mm
No
20 mm Headspace Seals - MicroLiter
SDS
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