CM Science offers a variety of headspace vials to fit your autosampler. The vials on this page are standard headspace vials. They are 20 mm tapered Crimp top vials with flat bottoms. These types of vials fit Shimadzu, Agilent, Perkin Elmer and Carlo Erba autosamplers.

CM36020-2238 6 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms 22x38 mm (For Perkin ELmer), Qty 1000 $168.00
CM310020-2346 10 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms 23x46 mm, Qty 1000 $174.00
CM320020-2375 20 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms 23x75 mm, Qty 1000 $187.00
CM320020E-2375 20 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms and Graduated Marking Spot, Qty 1000 $260.00
CM320020M-2375 20 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms and Marking Spot, Qty 1000 $260.00
CM327020-3060 27 ml, 20 mm Clear Crimp Top Vials w/Flat Bottoms 30x60 mm, Qty 1000 $340.00

CM5150-20 20 mm Silver Seal, 0.125" Natural PTFE/Si, Qty 1000 $235.00
CM5140-20 20 mm Silver Seal, PTFE/Gray Butyl Rubber, Qty 1000 $490.00
CM5142-20 20 mm Silver Seal, Pharma-Fix Molded Gray PTFE/Black Butyl, Qty 1000 $495.00
CM5150UL-20 20 mm Silver Seal, 3 mm Thick Clear PTFE/Blue Silicone, Ultra Low Bleed, Qty 1000 $374.40
CM5110-20 20 mm Al Seal, 10 mil PTFE, Qty 1000 $123.24
CM5100-20 20 mm Al Seal, No Septa, Qty 12,500 $409.50
CM5100TA-20 20 mm Tear Away Seal, No Septa, Qty 12,500 $358.80

Pressure release seals are designed to open when internal pressure exceeds 3.0+/-0.5 bar.
CM5143PR-20 20 mm Silver Pressure Release Seal, 0.100" PTFE/Si, Qty 1000 $330.00
CM5142PR-20 20 mm Silver Pressure Release Seal, PTFE/Molded Gray Butyl Pharma-Fix, Qty 1000 $842.40
CM5141PR-20 20 mm Silver Pressure Release Seal, 0.131" PTFE/Gray Butyl, Qty 1000 $717.60
CM5100PR-20 20 mm Pressure Release Seal, No Septa, Qty 1000 $54.76 s.

Tin Plate seals are ideal for Leap Instruments or instruments utilizing magnetic transport.
CM5144TP5-20 20 mm Silver Tin Plate Seal, 5 mm Hole, 0.131" PTFE/Butyl Rubber, Qty 1000 $631.07
CM5144TP8-20 20 mm Silver Tin Plate Seal, 8 mm Hole, 0.131" PTFE/Butyl Rubber, Qty 1000 $631.07
CM5145TP5-20 20 mm Silver Tin Plate Seal, 5 mm Hole, 0.100" PTFE/Si, Qty 1000 $571.79
CM5145TP8-20 20 mm Silver Tin Plate Seal, 8 mm Hole, 0.100" PTFE/Si, Qty 1000 $571.79

The BiMetal Seal is comprised of tin and aluminum materials. The outer surface (red or blue) is aluminum and the inner diameter is a silver tin.
CM5150BM00-20R 20 mm Red BiMetal Seal, 0.100" PTFE/Si, Qty 1000 $327.60
CM5150BM00-20B 20 mm Blue BiMetal Seal, 0.100" PTFE/Si, Qty 1000 $327.60
CM5150BM18-20R 20 mm Red BiMetal Seal, 0.118" PTFE/Si, Qty 1000 $390.00
CM5150BM18-20B 20 mm Blue BiMetal Seal, 0.118" PTFE/SI, Qty 1000 $390.00
CM5150BMUL-20B 20 mm Blue BiMetal Seal, 3 mm Thick Clear PTFE/Blue Si, Ultra Low Bleed, Qty 1000 $421.20
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