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Home > Product > Containers > Caps&Liners&Septa

ǰ : Caps, Liners & Septa
: QEC
ǰڵ : QEC-C/L/S
 
   
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Caps, Liners & Septa
QEC offers an excellent selection of Polypropylene caps and lids with a choice of lining systems to fit your container and your applications.
We also offer PTFE/silicone septa and PTFE/chlorobutyl septa to fit a 24-414 open top cap, as well as EPA-compliant PTFE cap liners.


Level 1 = case quantity package
Level 5 = bulk quantity package



24-414 Open Top Caps with Septa
Preassembled open top polypropylene 24-414 caps for use with various containers, including VOA vials, 8 oz and 4 oz size boston rounds. Available with low-bleed PTFE/silicone septa or chlorobutyl/PTFE septa inserted.
Ordering Information

Size

Color

Description

Pkg

Septa

Product No.

24-414

White

PP open top cap with septa

100

0.125" PTFE/silicone

1M24-414WS

24-414

Yellow

PP open top cap with septa

100

0.125" PTFE/silicone

1M24-414YS

24-414

Red

PP open top cap with septa

100

0.125" PTFE/silicone

1M24-414RS

24-414

White

PP open top cap with septa, bulk

500

0.125" PTFE/silicone

5M24-414WS

24-414

Yellow

PP open top cap with septa, bulk

500

0.125" PTFE/silicone

5M24-414YS

24-414

Red

PP open top cap with septa, bulk

500

0.125" PTFE/silicone

5M24-414RS

24-414

White

PP open top cap with septa

100

0.135" PTFE/silicone

1M24-414WS-135

24-414

Yellow

PP open top cap with septa

100

0.135" PTFE/silicone

1M24-414YS-135

24-414

Red

PP open top cap with septa

100

0.135" PTFE/silicone

1M24-414RS-135

24-414

White

PP open top cap with septa, bulk

500

0.135" PTFE/silicone

5M24-414WS-135

24-414

Yellow

PP open top cap with septa, bulk

500

0.135" PTFE/silicone

5M24-414YS-135

24-414

Red

PP open top cap with septa, bulk

500

0.135" PTFE/silicone

5M24-414RS-135

24-414

White

PP open top cap with septa

50

0.125" PTFE/Chlorobutyl

1B24-414WS

24-414

Yellow

PP open top cap with septa

50

0.125" PTFE/Chlorobutyl

1B24-414YS

24-414

Red

PP open top cap with septa

50

0.125" PTFE/Chlorobutyl

1B24-414RS




Septa for 24-414 Open Top Caps
Low-Bleed Silicone/PTFE Septa:
Specially designed and manufactured for high performance and low bleed, these septa are pigment-free and are comprised of top quality, virgin materials. PTFE film provides an excellent chemical barrier and the silicone has good resealability characteristics. Max temperature rating for this style is 200 C. Independent testing has shown a significant improvement in bleed compared to other standard septa in the market.
PTFE/Chlorobutyl Septa:
Our Butyl septa are manufactured from a high quality, custom formulated compound and exhibit excellent low permeability characteristics, very good chemical resistance, and can withstand temperatures up to 100 C. Butyl septa work especially well when in contact with ketones and acids and have good resealability performance.

Ordering Information

Size

Cap

Description

Pkg

Product No.

0.125"

24-414

PTFE/Silicone septa for open top cap

100

1F3200-24mm

0.125"

24-414

PTFE/Silicone septa for open top cap, bulk packaged

1000

5F3200-24mm

0.135"

24-414

PTFE/Silicone septa for open top cap

100

1F1520-24mm

0.135"

24-414

PTFE/Silicone septa for open top cap, bulk packaged

1000

5F1520-24mm

0.125"

24-414

PTFE/Chlorobutyl septa for open top cap

100

1C1140-24mm

0.125"

24-414

PTFE/Chlorobutyl septa for open top cap, bulk packaged

1000

5C1140-24mm




24-414 Open Top Caps, unlined
Unlined open top polypropylene 24-414 caps for use with various containers, including VOA vials, 8 oz and 4 oz size boston rounds. These caps are sold without septa. Available in white, yellow, red, and blue.
Ordering Information

Size

Color

Description

Pkg

Product No.

24-414

White

PP open top cap

100

1M24-414W 

24-414

White

PP open top cap, bulk packaged

3700

BM24-414W 

24-414

Yellow

PP open top cap

100

1M24-414Y 

24-414

Yellow

PP open top cap, bulk packaged

3700

BM24-414Y 

24-414

Red

PP open top cap

100

1M24-414R 

24-414

Red

PP open top cap, bulk packaged

3700

BM24-414R 

24-414

Blue

PP open top cap

100

1M24-414B

24-414

Blue

PP open top cap, bulk packaged

3700

BM24-414B




Bonded-Liner Caps
Polypropylene caps with bonded PTFE/low bleed silicone septa. Ideal for use with volatile solvents, corrosive chemicals and sensitive compounds.
An ultrasonic welding process bonds the liner to the cap, eliminating the risk of adhesive contamination and bond failure often associated with autoclaving or other high temperature/stress operations.
The PTFE film on the face of the liner imparts an inert, chemically resistant surface appropriate for the containment and storage of compounds, such as volatile solvents and corrosive chemicals.
The low bleed silicone has excellent resealing properties and possesses very good compression set characteristics to ensure a good seal over time.

Ordering Information

Size

Color

Description

Pkg

Product No.

58mm

White

Open top molded-hole cap w/ bonded 0.060" PTFE/silicone septa

25

1BT58-400WOT 

53mm

White

Open top molded-hole cap w/ bonded 0.060" PTFE/silicone septa

25

1BT53-400WOT 

24mm

Red

Open top molded-hole cap w/ bonded 0.060" PTFE/silicone septa

100

1BT24-414ROT 

24mm

White

Closed top cap w/ bonded 0.060" PTFE/silicone liner

50

1BT24-400W

22mm

White

Closed top cap w/ bonded 0.060" PTFE/silicone liner

50

1BT22-400W

20mm

White

Closed top cap w/ bonded 0.060" PTFE/silicone liner

50

1BT20-400W




Black Polypropylene Caps
These high-quality Polypropylene caps are recommended for good strength, thermal resistance, and pliability. Polypropylene caps are autoclavable. Chemically inert PTFE liners with Polyethylene foam backing resist attack from virtually all chemicals at room temperature and provides resilience for a tight seal with a low moisture transmission rate. Liners adhered to cap for minimal risk of liner fallout.
Ordering Information

Size

Cap

Description

Pkg

Product No.

13mm

13-425

Black PP cap with PTFE/foam liner

50

1T13-425BPP 

15mm

15-425

Black PP cap with PTFE/foam liner

50

1T15-425BPP 

22mm

22-400

Black PP cap with PTFE/foam liner

50

1T22-400BPP 

24mm

24-400

Black PP cap with PTFE/foam liner

50

1T24-400BPP 

33mm

33-400

Black PP cap with PTFE/foam liner

50

1T33-400BPP 

38mm

38-400

Black PP cap with PTFE/foam liner

50

1T38-400BPP 




Black Phenolic Cap with PE Cone Liner
Phenolic caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. The PE cone liner forms an exceptionally tight seal and provides a good chemical barrier.
Ordering Information

Size

Description

Pkg

Product No.

38mm

38-400 Black phenolic cap with PE cone liner

50

1C38-400B 

38mm

38-400 Black phenolic cap with PE cone liner, bulk packaged

1600

BC38-400B 

33mm

33-400 Black phenolic cap with PE cone liner

50

1C33-400B 

33mm

33-400 Black phenolic cap with PE cone liner, bulk packaged

2200

BC33-400B 

28mm

28-400 Black phenolic cap with PE cone liner

50

1C28-400B 

28mm

28-400 Black phenolic cap with PE cone liner, bulk packaged

3100

BC28-400B 

24mm

24-400 Black phenolic cap with PE cone liner

50

1C24-400B 

24mm

24-400 Black phenolic cap with PE cone liner, bulk packaged

4100

BC24-400B 

22mm

22-400 Black phenolic cap with PE cone liner

50

1C22-400B 

22mm

22-400 Black phenolic cap with PE cone liner, bulk packaged

5000

BC22-400B 

20mm

20-400 Black phenolic cap with PE cone liner

50

1C20-400B 

20mm

20-400 Black phenolic cap with PE cone liner, bulk packaged

5500

BC20-400B 

18mm

18-400 Black phenolic cap with PE cone liner

50

1C18-400B 

18mm

18-400 Black phenolic cap with PE cone liner, bulk packaged

6500

BC18-400B 

15mm

15-425 Black phenolic cap with PE cone liner

50

1C15-425B 

15mm

15-425 Black phenolic cap with PE cone liner, bulk packaged

10000

BC15-425B 

13mm

13-425 Black phenolic cap with PE cone liner

50

1C13-425B 

13mm

13-425 Black phenolic cap with PE cone liner, bulk packaged

13000

BC13-425B 




PTFE-Lined Polypropylene Caps
QEC's PTFE-lined caps provide the widest range of chemical compatibility with the best temperature tolerance. PTFE liners resist degradation from virtually all chemicals at room temperature, are resilient for a tight seal with low moisture transmission. QEC uses only EPA-compliant 0.015" thick PFTE liners.
Ordering Information
Size
Color
Case
Bulk
Description
Level 1
Level 5
22mm
White
50
2000
22-400 PP cap & 0.015" PTFE liner inserted
1T22-400W 
5T22-400W 
24mm
White
50
2000
24-400 PP cap & 0.015" PTFE liner inserted
1T24-400W 
5T24-400W 
28mm
White
50
2000
28-400 PP cap & 0.015" PTFE liner inserted
1T28-400W 
5T28-400W 
33mm
White
50
2000
33-400 PP cap & 0.015" PTFE liner inserted
1T33-400W 
5T33-400W 
33mm
Yellow
50
2000
33-400 PP cap & 0.015" PTFE liner inserted
1T33-400Y 
5T33-400Y 
33mm
Red
50
2000
33-400 PP cap & 0.015" PTFE liner inserted
1T33-400R 
5T33-400R 
33mm
Black
50
2000
33-430 PP cap & 0.015" PTFE liner inserted
1T33-430B
5T33-430B
38mm
White
50
2000
38-400 PP cap & 0.015" PTFE liner inserted
1T38-400W 
5T38-400W 
38mm
Black
50
2000
38-400 PP cap & 0.015" PTFE liner inserted
1T38-400B
5T38-400B
38mm
Black
50
2000
38-430 PP cap & 0.015" PTFE liner inserted
1T38-430B
5T38-430B
33mm
White
50
2000
33-430 PP cap & 0.015" PTFE liner inserted
1T33-430W 
5T33-430W 
43mm
White
50
2000
43-400 PP cap & 0.015" PTFE liner inserted
1T43-400W 
5T43-400W 
45mm
White
50
2000
45-400 PP cap & 0.015" PTFE liner inserted
1T45-400W 
5T45-400W 
48mm
White
50
2000
48-400 PP cap & 0.015" PTFE liner inserted
1T48-400W 
5T48-400W 
53mm
White
50
2000
53-400 PP cap & 0.015" PTFE liner inserted
1T53-400W 
5T53-400W 
53mm
Yellow
50
2000
53-400 PP cap & 0.015" PTFE liner inserted
1T53-400Y
5T53-400Y
53mm
Red
50
2000
53-400 PP cap & 0.015" PTFE liner inserted
1T53-400R
5T53-400R
58mm
White
50
1650
58-400 PP cap & 0.015" PTFE liner inserted
1T58-400W 
5T58-400W 
58mm
Yellow
50
1650
58-400 PP cap & 0.015" PTFE liner inserted
1T58-400Y
5T58-400Y
58mm
Red
50
1650
58-400 PP cap & 0.015" PTFE liner inserted
1T58-400R
5T58-400R
63mm
White
50
1500
63-400 PP cap & 0.015" PTFE liner inserted
1T63-400W 
5T63-400W 
70mm
White
50
1000
70-400 PP cap & 0.015" PTFE liner inserted
1T70-400W 
5T70-400W 
70mm
Yellow
50
1000
70-400 PP cap & 0.015" PTFE liner inserted
1T70-400Y 
5T70-400Y 
70mm
Red
50
1000
70-400 PP cap & 0.015" PTFE liner inserted
1T70-400R 
5T70-400R 
70mm
White
50
700
70-450 PP cap & 0.015" PTFE liner inserted
1T70-450W 
5T70-450W 
83mm
White
50
550
83-400 PP cap & 0.015" PTFE liner inserted
1T83-400W 
5T83-400W 
89mm
White
50
624
89-400 PP cap & 0.015" PTFE liner inserted
1T89-400W 
5T89-400W 
89mm
Yellow
50
450
89-400 PP cap & 0.015" PTFE liner inserted
1T89-400Y
5T89-400Y
89mm
Red
50
450
89-400 PP cap & 0.015" PTFE liner inserted
1T89-400R
5T89-400R
110mm
White
25
333
110-400 PP cap & 0.015" PTFE liner inserted
1T110-400W 
5T110-400W 



Unlined Polypropylene Caps
Unlined polypropylene caps are well-known for their excellent impact strength, cost effectiveness, and pliability. These unlined caps are autoclavable and are suitable for many uses, preferably with non-liquid substances.
Ordering Information

Size

Color

Std. Case

Bulk Pkg.

Description

Level 1

Level 5

22mm

White

50

5000

22-400 PP unlined cap

1022-400W 

B022-400W 

24mm

White

50

4000

24-400 PP unlined cap

1024-400W 

B024-400W 

28mm

White

50

6250

28-400 PP unlined cap

1028-400W 

B028-400W 

33mm

White

50

5000

33-400 PP unlined cap

1033-400W 

B033-400W 

33mm

Yellow

50

5000

33-400 PP unlined cap

1033-400Y 

B033-400Y 

33mm

Red

50

5000

33-400 PP unlined cap

1033-400R

B033-400R

33mm

White

50

2000

33-430 PP unlined cap

1033-430W 

B033-430W 

33mm

Black

50

2000

33-430 PP unlined cap

1033-430B

B033-430B

38mm

White

50

3750

38-400 PP unlined cap

1038-400W 

B038-400W 

38mm

Black

50

2900

38-400 PP unlined cap

1038-400B

B038-400B

38mm

Black

50

1000

38-430 PP unlined cap

1038-430B

B038-430B

43mm

White

50

3000

43-400 PP unlined cap

1043-400W 

B043-400W 

45mm

White

50

2000

45-400 PP unlined cap

1045-400W 

B045-400W 

48mm

White

50

2500

48-400 PP unlined cap

1048-400W 

B048-400W 

53mm

White

50

2000

53-400 PP unlined cap

1053-400W 

B053-400W 

53mm

Yellow

50

2000

53-400 PP unlined cap

1053-400Y

B053-400Y

53mm

Red

50

2000

53-400 PP unlined cap

1053-400R

B053-400R

58mm

White

50

1650

58-400 PP unlined cap

1058-400W 

B058-400W 

58mm

Yellow

50

1650

58-400 PP unlined cap

1058-400Y

B058-400Y

58mm

Red

50

1650

58-400 PP unlined cap

1058-400R

B058-400R

63mm

White

50

1500

63-400 PP unlined cap

1063-400W 

B063-400W 

70mm

White

50

1000

70-400 PP unlined cap

1070-400W 

B070-400W 

70mm

Yellow

50

1000

70-400 PP unlined cap

1070-400Y

B070-400Y

70mm

Red

50

1000

70-400 PP unlined cap

1070-400R

B070-400R

70mm

White

50

700

70-450 PP unlined cap

1070-450W 

B070-450W 

83mm

White

50

550

83-400 PP unlined cap

1083-400W 

B083-400W 

89mm

White

50

624

89-400 PP unlined cap

1089-400W 

B089-400W 

89mm

Yellow

50

450

89-400 PP unlined cap

1089-400Y

B089-400Y

89mm

Red

50

450

89-400 PP unlined cap

1089-400R

B089-400R

110mm

White

25

333

110-400 PP unlined cap

1110-400W 

B110-400W 




PTFE Liners
PTFE liners hold up to virtually all chemicals at room temperature and provide a tight seal with low moisture transmission. All PTFE cap liners sold by QEC are 0.015" thickness compliant with EPA requirements. QEC has PTFE liners in most standard cap sizes from 22mm to 110mm.
•Chemically Inert
•Sterilizable
•Heat Resistant
•Non-Contaminating
•Reusable/Cleanable
•Unaffected by virtually all chemicals

Ordering Information
Size
Cap
Std. Case
Bulk Pkg.
Description
Level 1
Level 5
22mm
22-400
50
1000
0.015" thickness PTFE liner
1TFE-22mm 
BTFE-22mm 
24mm
24-400
50
1000
0.015" thickness PTFE liner
1TFE-24mm 
BTFE-24mm 
28mm
28-400
50
1000
0.015" thickness PTFE liner
1TFE-28mm 
BTFE-28mm 
33mm
33-430
50
1000
0.015" thickness PTFE liner
1TFE-33mm-430
BTFE-33mm-430
33mm
33-400
50
1000
0.015" thickness PTFE liner
1TFE-33mm 
BTFE-33mm 
38mm
38-430
50
1000
0.015" thickness PTFE liner
1TFE-38mm-430
BTFE-38mm-430
38mm
38-400
50
1000
0.015" thickness PTFE liner
1TFE-38mm 
BTFE-38mm 
43mm
43-400
50
1000
0.015" thickness PTFE liner
1TFE-43mm 
BTFE-43mm 
45mm
45-400
50
1000
0.015" thickness PTFE liner
1TFE-45mm 
BTFE-45mm 
48mm
48-400
50
1000
0.015" thickness PTFE liner
1TFE-48mm 
BTFE-48mm 
53mm
53-400
50
1000
0.015" thickness PTFE liner
1TFE-53mm 
BTFE-53mm 
58mm
58-400
50
1000
0.015" thickness PTFE liner
1TFE-58mm 
BTFE-58mm 
63mm
63-400
50
1000
0.015" thickness PTFE liner
1TFE-63mm 
BTFE-63mm 
70mm
70-400
50
1000
0.015" thickness PTFE liner
1TFE-70mm 
BTFE-70mm 
83mm
83-400
50
500
0.015" thickness PTFE liner
1TFE-83mm 
BTFE-83mm 
89mm
89-400
50
500
0.015" thickness PTFE liner
1TFE-89mm 
BTFE-89mm 
110mm
110-400
50
500
0.015" thickness PTFE liner
1TFE-110mm 
BTFE-110mm 



Foam-Lined Polypropylene Caps
Foam liner consists of low-density polyethylene skin top and bottom with a foamed polyolefin core, in a chemically fused single polymeric product. Foam-lined polypropylene caps have excellent sealing characteristics and good chemical resistance to acids, alcohols, alkalis, aqueous products, household oil and solvents, among others. Uses include environmental lab samples, analytical lab samples, contaminant-intolerant chemicals, acids, solvents, and reagents.
Ordering Information
Size
Color
Case
Bulk 
Description
Level 1
Level 5
18mm
White
50
9500
18-400 Polypropylene cap with PE foam liner
1P18-400W 
BP18-400W 
18mm
White
50
7000
18-400 Polypropylene cap with PE foam liner
1P18-410W 
BP18-410W 
20mm
White
50
7500
20-410 Polypropylene cap with PE foam liner
1P20-410W 
BP20-410W 
24mm
White
50
5500
24-410 Polypropylene cap with PE foam liner
1P24-410W 
BP24-410W 
28mm
White
50
5200
28-400 Polypropylene cap with PE foam liner
1P28-400W 
BP28-400W 
28mm
White
50
3850
28-410 Polypropylene cap with PE foam liner
1P28-410W 
BP28-410W 
33mm
White
50
5000
33-400 Polypropylene cap with PE foam liner
1P33-400W 
BP33-400W 
38mm
White
50
3750
38-400 Polypropylene cap with PE foam liner
1P38-400W
BP38-400W
38mm
Black
50
2900
38-400 Polypropylene cap with PE foam liner
1P38-400B
BP38-400B
38mm
White
50
2900
38-400 PE foam lined cap w/ smooth top & sides
1P38-400WS
BP38-400WS
43mm
White
50
3000
43-400 Polypropylene cap with PE foam liner
1P43-400W 
BP43-400W 
43mm
Yellow
50
3000
43-400 Polypropylene cap with PE foam liner
1P43-400Y
BP43-400Y
43mm
Red
50
3000
43-400 Polypropylene cap with PE foam liner
1P43-400R
BP43-400R
43mm
Black
50
3000
43-400 Polypropylene cap with PE foam liner
1P43-400B
BP43-400B
45mm
White
50
2750
45-400 Polypropylene cap with PE foam liner
1P45-400W 
BP45-400W 
48mm
White
50
2500
48-400 Polypropylene cap with PE foam liner
1P48-400W 
BP48-400W 
48mm
Black
50
1700
48-400 Polypropylene cap with PE foam liner
1P48-400B
BP48-400B
38mm
White
50
1700
48-400 PE foam lined cap w/ smooth top & sides
1P48-400WS
BP48-400WS
53mm
White
50
2000
53-400 Polypropylene cap with PE foam liner
1P53-400W 
BP53-400W 
58mm
White
50
1650
58-400 Polypropylene cap with PE foam liner
1P58-400W 
BP58-400W 
63mm
White
50
1500
63-400 Polypropylene cap with PE foam liner
1P63-400W 
BP63-400W 
70mm
White
50
1000
70-400 Polypropylene cap with PE foam liner
1P70-400W 
BP70-400W 
83mm
White
50
500
83-400 Polypropylene cap with PE foam liner
1P83-400W 
BP83-400W 
89mm
White
50
624
89-400 Polypropylene cap with PE foam liner
1P89-400W 
BP89-400W 
110mm
White
25
333
110-400 Polypropylene cap with PE foam liner
1P110-400W 
BP110-400W 
 

Map
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