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20mm magnetic crimp caps, gold, with septum (for CTC), 8mm center hole. Upon request: 5mm center hole.  
 
Reference Septa Thickness Hardness SU Price
Pharma-Fix-Septum (Butyl/PTFE) 3.0 mm 50° 100
Butyl / PTFE 3.0 mm 50° 100
Silicone blue transparent / PTFE white (UltraClean) 3.0 mm 45° 100
Pharma-Fix-Septum 3.0 mm 45° 100
Butyl/PTFE, grey 3.0mm 50° 100
Silicone blue transparent/PTFE transparent (UltraClean) 3.0mm 45° 100
Silicone white/PTFE beige 3.2mm 45° 100
* * Control by batch, Chromatograms available on request. For very critical GC analyses. ** Bimetal red  
 
 
 
 
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