Diamond RealSeal PLAS Laboratory Bottles meet the requirements of the most demanding applications. Rugged and durable, these bottles are a safe, shatterproof alternative to glass bottles for collection,STOR, or shipping of samples, media, and reagents. Precision molded from virgin resins for consistent wall thickness and smooth surfaces. Bottles include leak-proof polypropylene caps that are engineered with an integrated seal ring for leak-proof closure. Caps are linerless to reduce contamination risk and offer a secure closure. Bottles meet following specifications: USP Class VI for pharma and research applications; FDA CFR-21 compliant for food contact; Free of heavy metals and RoHS compliant; BPA and phthalate free. High-Density Polyethylene (HDPE) bottles are safe for FZR STOR down to -100°C and resistant to most corrosives.