These vials feature heavy wall weight and uniformly distributed glass walls. Have high tolerance to thermal shocks and low extractable. These vials are used in clinical and research labs, industrial and consumer markets for storage of reagents, chemicals and packaging of certain pharmaceutical products. Available in size 8ml, 10ml, 20ml, 30ml, 50ml, 100ml. These vials are packed in corrugated plastic trays and shrink-wrapped to reduce contamination by particulates.