Description
The Techcon 400 Series Stopper, 6 cc Manual seals the open back of a 6 cc syringe barrel once it is filled, holding material in place until the plunger drives it forward. On a manual dispensing bench, the stopper is what keeps a loaded barrel from leaking material out the back before it reaches the line.
Where This Stopper Fits on a Syringe Barrel
Fill the 6 cc barrel from the open back, then press the stopper in until it seats flush against the barrel wall. The stopper and the plunger work as a pair: the stopper closes the loading end, and the plunger travels forward from that same end to push material out through the tip. Barrels that run two-part materials through a mixing nozzle depend on a tight stopper seal to keep the ratio consistent between the resin and hardener sides of the shot.
- Capacity: 6 cc
- Compatible with: Techcon 400 series 6 cc syringe barrel, manual configuration
- Function: seals the loading end of the barrel before dispensing
- Sold individually, one stopper per unit
Replacing a Worn Syringe Barrel Stopper
A stopper that no longer seats flush lets material seep past the plunger travel and shortens barrel life, and on a two-part system that leak path can throw off the mix ratio before the operator notices anything wrong at the tip. Replace it as a routine wear item on a set schedule rather than waiting for a leak to show up mid-run. Confirm barrel capacity before ordering, since a 6 cc stopper will not seal a 3 cc or 35 cc barrel from the same product family, and a loose fit defeats the seal even if the stopper technically fits into the opening.
Pair this stopper with compatible mixing nozzles and tips from our dispensers, mixers, and nozzles category when running two-part materials. For the full 400 series compatibility chart, see Techcon.
Need Help?
Need help pairing this stopper with the right plunger and barrel combination? Call (800) 220-1966 or email [email protected].







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