Home » Products » Cap & Septa » 20mm Crimp Top Aluminum Caps for GC Vials

20mm Crimp Top Aluminum Caps for GC Vials

The cap material is a metal aluminum cover.Standard GC and HPLC sample bottles can be used for autosampler and sample storage. There are two designs round bottom and flat bottom.The crimp cover of the vials is made of aluminum for crimping and sealing; plastic (polyethylene, polypropylene, or phenolic resin) for non-crimping and sealing.

Rated 4.9/5 based on 224 customer reviews
Share:
Content

The cap material is a metal aluminum cover.Standard GC and HPLC sample bottles can be used for autosampler and sample storage. There are two designs round bottom and flat bottom.The crimp cover of the vials is made of aluminum for crimping and sealing; plastic (polyethylene, polypropylene, or phenolic resin) for non-crimping and sealing.

The cap gasket is a septum material that is pierced by a syringe needle to extract a sample from the vial. The cap liner sheet has various configurations and is also made of various materials.

Details

Suitable: 20mm Crimp Top Headspace Vials
Caps Material: Silver Aluminum
Septa Material: PTFE/Silicone; PTFE/butyl
Septa Size: 20*3mm
Cap Features: 8/9.5mm Centre Hole
Color: Metal Silver

Specifications

1. Nature PTFE/Nature Silicone Septa, 20mm Crimp-top Aluminum Cap, 9.5mm Centre Hole.

2. Regarding speta, the PTFE side is anti-corrosion, and the Silicone side is soft for needles to pierce.

3. PTFE/Silicone septa are most popular for GC application,.

4.PTFE can withstand strong alkali and acid, and has good chemical stability
Inquiry
* Name:
* Email:
Country:
Tel/Whatsapp:
* Message:
More Crimp Top Headspace Vials