Features
1.Screw thread test tubes include PP caps with PTFE/silicone septa, which is made from Borosilica te glass tubing.
2.New Package Box is Food Grade and Environment Friendly.
3.Perfect solution to unknown gas from styrofoam deteriorated the COD.
This transparent polypropylene cap for Test Tubes proves to be an excellent protection to the contents to the tubes. The grooves inside the cap tighten the fittin gon the tube while the outer grooves would hold identification labels. The built in seal ring would set in the tube making the combination a leakproof one.
Product Information:
