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QEC has a wide selection of closed top caps for various container sizes and applications to ensure a perfect fit as well as protect the integrity of your sample.
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Polypropylene caps with TeflonÒ liners provide both excellent chemical resistance and sure sealing.
 Teflon® lined
Cap Size Color Pkg. Qty. Product No.
24 mm   White   50   1T24-400W  
28 mm   White   50   1T28-400W  
33 mm   White   50   1T33-400W  
33-430 mm   White   50   1T33-430W  
38 mm   White   50   1T38-400W  
38-430 mm   White   50   1T38-430W  
48 mm   White   50   1T48-400W  
53 mm   White   50   1T53-400W  
58 mm   White   50   1T58-400W  
63 mm   White   50   1T63-400W  
70 mm   White   50   1T70-400W  
83 mm   White   50   1T83-400W  
89 mm   White   50   1T89-400W  
110 mm   White   50   1T110-400W  
Caps are available precleaned and in a wide variety of colors. Please call for availability.

A reliable industry workhorse, this general purpose polypropylene cap is lined with a polyethylene foam liner.
 foam lined (F-217)
Cap Size Color Pkg. Qty. Product No.
20-410 mm   White   50   OP20-410W  
24-410 mm   White   50   OP24-410W  
28 mm   White   50   OP28-400W  
28-410 mm   White   50   OP28-410W  
33 mm   White   50   OP33-400W  
38 mm   White   50   OP38-400W  
43 mm   White   50   OP43-400W  
45 mm   White   50   OP45-400W  
48 mm   White   50   OP48-400W  
53 mm   White   50   OP53-400W  
58 mm   White   50   OP58-400W  
63 mm   White   50   OP63-400W  
70 mm   White   50   OP70-400W  
89 mm   White   50   OP89-400W  
110 mm   White   50   OP110-400W  

MicrolinkÒ caps are autoclavable and gamma stable, with ultrasonically welded Teflon/silicone liner. Ideal for biological and other sensitive uses.
 Microlink® closed top
Cap Size Color Pkg. Qty. Product No.
20 mm   White   25   OT20-400W  
22 mm   White   25   OT22-400W  
24 mm   White   25   OT24-400W  

 Microlink® molded hole
Cap Size Color Pkg. Qty. Product No.
53 mm   White   25   0053-S00W  
58 mm   White   25   0058-S00W  

 black phenolic cap
    w/ PE cone liner
Cap Size Color Pkg. Qty. Product No.
13-425   Black   50   OC13-425B  
15-425   Black   50   OC15-425B  
22-400   Black   50   OC22-400B  
24-400   Black   50   OC24-400B  
33-400   Black   50   OC33-400B  
38-400   Black   50   OC38-400B  

Solid 0.15” TeflonÒ Liners.
 Teflon® liners
Cap Size Color Pkg. Qty. Product No.
22 mm   Natural   50   OTFE-22mm  
24 mm   Natural   50   OTFE-24mm  
28 mm   Natural   50   OTFE-28mm  
33 mm   Natural   50   OTFE-33mm  
38 mm   Natural   50   OTFE-38mm  
53 mm   Natural   50   OTFE-53mm  
58 mm   Natural   50   OTFE-58mm  
63 mm   Natural   50   OTFE-63mm  
70 mm   Natural   50   OTFE-70mm  
83 mm   Natural   50   OTFE-83mm  
89 mm   Natural   50   OTFE-89mm  
110 mm   Natural   50   OTFE-110mm  

Polypropylene caps, unlined.
 unlined caps
Cap Size Color Pkg. Qty. Product No.
22 mm   White   50   0022-400W  
24 mm   White   50   0024-400W  
28 mm   White   50   0028-400W  
33 mm   White   50   0033-400W  
38 mm   White   50   0038-400W  
53 mm   White   50   0053-400W  
58 mm   White   50   0058-400W  
63 mm   White   50   0063-400W  
70 mm   White   50   0070-400W  
83 mm   White   50   0083-400W  
89 mm   White   50   0089-400W  
110 mm   White   50   0110-400W  

Open top polypropylene replacement caps are available in white, yellow and red for easy identification and organization.
 open top caps
Cap Size Color Pkg. Qty. Product No.
24-414   White   50   OM24-414W  
24-414   Yellow   50   OM24-414Y  
24-414   Red   50   OM24-414R  

 black phenolic cap
    w/ PE Teflon® faced white rubber liner
Cap Size Color Pkg. Qty. Product No.
8-425   Black   50   OT08-425BP  
13-425   Black   50   OT13-425BP  
15-425   Black   50   OT15-400BP  
22-400   Black   50   OT22-400BP  

 Teflon®/ silicone septa
Cap Size Thick Pkg. Qty. Product No.
24 mm   0.125"   100   OF1435-24mm  
24 mm   0.135"   100   OF1520-24mm  

 Bonded Teflon®/ silicone
    open-top cap & septa
Cap Size Thick Pkg. Qty. Product No.
24 mm   0.060"   100   0024-S00W  

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