Plastic snap cap vials are molded of rigid-wall FDA compliant styrene with tight fitting polyethylene snap-on caps. Plastic snap cap container vials are excellent for storing dry materials, powders, tablets, etc.
There are approximately 16 drams per fluid ounce. 7 dram size may be used with automatic cell counters for collection of sample and, where venous samples are used, for dilution purposes. Maximum temperature snap cap vials manufactured of polystyrene is 70°C. LDPE snap caps will withstand 80°C.