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Chromatography Vials, Caps & Inserts
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20mm Crimp Seals w/ Septa
Recommended
Qty /
Cat. No.
for
Description
Pack
20-0020AS
All but LEAP / CTC
20mm Aluminum w/ Butyl Only
100
20-0030AS
All but LEAP / CTC
20mm Aluminum w/ PTFE / Butyl
100
20-0040AS
All but LEAP / CTC
20mm Aluminum w/ PTFE / Molded Butyl
100
20-0050AS
All but LEAP / CTC
20mm Aluminum w/ Natural PTFE / Blue Silicone
100
20-0051AS
All but LEAP / CTC
20mm Aluminum w/ Tan PTFE / White Silicone
100
20-0051AS-B
All but LEAP / CTC
20mm Aluminum w/ Tan PTFE / White Silicone, Bulk
1000
20-0060AS
All but LEAP / CTC
20mm Aluminum w/ Aluminum / Silicone
100
20-0020AT
LEAP / CTC
20mm AlumiTin
™
Large Opening w/ Butyl Only
100
20-0021AT
LEAP / CTC
20mm AlumiTin Large Opening w/ Butyl Only, Chemically Inert
100
20-0030AT
LEAP / CTC
20mm AlumiTin Large Opening w/ PTFE / Butyl
100
20-0040AT
LEAP / CTC
20mm AlumiTin Large Opening w/ PTFE / Molded Butyl
100
20-0050AT
LEAP / CTC
20mm AlumiTin Large Opening w/ Natural PTFE / Blue Silicone, 0.125”
100
20-0051AT
LEAP / CTC
20mm AlumiTin Large Opening w/ Tan PTFE / White Silicone, 0.130”
100
20-0060AT
LEAP / CTC
20mm AlumiTin Large Opening w/ Aluminum / Silicone
100
20-0020ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ Butyl Only
100
20-0021ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ Butyl Only, Chemically Inert
100
20-0030ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ PTFE / Butyl
100
20-0040ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ PTFE / Molded Butyl
100
20-0050ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ Natural PTFE / Blue Silicone, 0.125”
100
20-0051ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ Tan PTFE / White Silicone, 0.130”
100
20-0060ATS
LEAP / CTC
20mm AlumiTin Small Opening w/ Aluminum / Silicone
100
20-0020M
LEAP / CTC
20mm Steel w/ Butyl Only
100
20-0021M
LEAP / CTC
20mm Steel w/ Butyl Only, Chemically Inert
100
20-0030M
LEAP / CTC
20mm Steel w/ PTFE / Butyl
100
20-0040M
LEAP / CTC
20mm Steel w/ PTFE / Molded Butyl
100
20-0050M
LEAP / CTC
20mm Steel w/ Natural PTFE / Blue Silicone, 0.125”
100
20-0051M
LEAP / CTC
20mm Steel w/ Tan PTFE / White Silicone, 0.130”
100
20-0060M
LEAP / CTC
20mm Steel w/ Aluminum / Silicone
100
20-0050ML
LEAP / CTC
Large Opening 20mm Steel w/ Natural PTFE / Blue Silicone, 0.125”, Extended Apron
100
20-0050MLS
LEAP / CTC
Large Opening 20mm Steel w/ Natural PTFE / Blue Silicone, 0.125”, Standard Apron
100
20-0050ML-B
LEAP / CTC
Large Opening 20mm Steel w/ Natural PTFE / Blue Silicone, 0.125”, Extended Apron, Bulk 1000
20-0050MLS-B
LEAP / CTC
Large Opening 20mm Steel w/ Natural PTFE / Blue Silicone, 0.125”, Standard Apron, Bulk 1000
20-0051ML
LEAP / CTC
Large Opening 20mm Steel w/ Tan PTFE / White Silicone, 0.130”, Extended Apron
100
20-0051MLS
LEAP / CTC
Large Opening 20mm Steel w/ Tan PTFE / White Silicone, 0.130”, Standard Apron
100
20-0051ML-B
LEAP / CTC
Large Opening 20mm Steel w/ Tan PTFE / White Silicone, 0.130”, Extended Apron, Bulk 1000
20-0051MLS-B
LEAP / CTC
Large Opening 20mm Steel w/ Tan PTFE / White Silicone, 0.130”, Standard Apron, Bulk 1000
20-0021P
All but LEAP / CTC
20mm Aluminum Pressure Release w/ Butyl Only, Chemically Inert
100
20-0040P
All but LEAP / CTC
20mm Aluminum Pressure Release w/ PTFE / Molded Butyl
100
20-0050P
All but LEAP / CTC
20mm Aluminum Pressure Release w/ Natural PTFE / Blue Silicone, 0125”
100
20-0051P
All but LEAP / CTC
20mm Aluminum Pressure Release w/ Tan PTFE / White Silicone, 0130”
100
20-0060P
All but LEAP / CTC
20mm Aluminum Pressure Release w/ Aluminum / Silicone
100
Try theAlumiTin
™
Seal forPAL
®
Systems&AlumiTin
with Smaller Opening for HS500
■
Easy to crimp aluminum seals with inner ring for PAL Systems magnetics
■
Available in all approved septa for users of CTC Analytics Sample Handlers
■
Now available with a new smaller opening for older yet reliable HS500
Headspace Injectors
■
AlumiTin Seals offer a consistently tighter seal than tin crimp seals
Septa Heat Range & Usage Reference Chart
Butyl Stopper & Disk - 40° to 120° C Used when PTFE is not required
PTFE / Butyl
- 40° to 120° C Economy Septa w/ Low Background
Peaks
PTFE / Molded Butyl - 40° to 120° C Tightest Seal of all items using PTFE w/
Low Background Peaks
PTFE / Silicone
- 60° to 200° C Excellent for volatiles
Aluminum / Silicone - 60° to 220° C Excellent for volatiles. Not recommended
for repeat injections
FKM
-20° to 200° C Excellent Resistance to Aggressive Fuels
and Chemicals
MicroLiter
888.232.7840 (TF) | 770.932.6565 (INT’L) |
www.wheaton.com|
infomlas@wheaton.com




