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    • 8 mm Shell Vials
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    • 10-425 Vials
    • 11 mm Crimp Vials
    • 11 mm Snap/Crimp Vials
    • 11 mm Snap Seal Vials
    • Versa Vials
    • 12x32 mm Shell Vials
    • 13-425 Screw Vials
    • 13-425 Snap Vials
    • 15x45 mm Shell Vials
  • Headspace Vials
    • 18 mm Flat Bottom
    • 18 mm Round Bottom
    • 20 mm Crimp Flat Bottom
    • 20 mm Crimp RB and SPME
  • GC Injection Port Septa
  • More
    • Home
    • HPLC/GC Vials
      • 8 mm Shell Vials
      • 8-425 Vials
      • 9 mm Vials
      • 10-425 Vials
      • 11 mm Crimp Vials
      • 11 mm Snap/Crimp Vials
      • 11 mm Snap Seal Vials
      • Versa Vials
      • 12x32 mm Shell Vials
      • 13-425 Screw Vials
      • 13-425 Snap Vials
      • 15x45 mm Shell Vials
    • Headspace Vials
      • 18 mm Flat Bottom
      • 18 mm Round Bottom
      • 20 mm Crimp Flat Bottom
      • 20 mm Crimp RB and SPME
    • GC Injection Port Septa

CM Science

CM ScienceCM ScienceCM Science
  • Home
  • HPLC/GC Vials
    • 8 mm Shell Vials
    • 8-425 Vials
    • 9 mm Vials
    • 10-425 Vials
    • 11 mm Crimp Vials
    • 11 mm Snap/Crimp Vials
    • 11 mm Snap Seal Vials
    • Versa Vials
    • 12x32 mm Shell Vials
    • 13-425 Screw Vials
    • 13-425 Snap Vials
    • 15x45 mm Shell Vials
  • Headspace Vials
    • 18 mm Flat Bottom
    • 18 mm Round Bottom
    • 20 mm Crimp Flat Bottom
    • 20 mm Crimp RB and SPME
  • GC Injection Port Septa

20 mm Crimp Flat Bottom Headspace Vials

 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. 

VIALS

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 

CAPS

20 mm Standard Aluminum Seals

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 

20 mm Pressure Release Aluminum Seals

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.

20 mm Tin Plate/Magnetic Seals

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 

20 mm Magnetic BiMetal Seals (Aluminum Outer Surface/Magnetic Tin Inner Surface)

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 

CM Science

338 Lyons Rd, Mertztown, PA 19539

+1.4848660246

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