These vessels are molded of clarified homopolymer polypropylene assuring higher working temperatures and greater chemical resistance than the commonly used co-polymer polypropylene. Vessels are graduated to 50mL and have a total 68mL capacity.
The 33mm threaded cap is lined with a 0.040 polyethylene-faced foam liner for a leak-proof seal. Only the metals-free polyethylene liner contacts the sample. 500 vessels with caps.
Each case comes with a Certificate of Analysis For Cleanliness and Volume Accuracy.