Diamond Essentials bulk plastic bottles meet the market need for efficient, effective, and economical packaging options aimed at manual and automated filling operations. Packaged in bulk with caps and bottles bagged separately, no de-capping step is needed before filling Diamond Essentials Bulk Bottles. Diamond Essentials bulk plastic laboratory bottles are precision molded from virgin high density polyethylene (HDPE) resins for consistent wall thickness and smooth surfaces inside and out. These rugged HDPE bottles are resistant to most corrosives and are suitable for freezer storage down to -100ºC. Polypropylene caps are engineered with an integrated seal ring and semi-buttressed threads for leak proof closure. These leak proof bottles are designed and tested to withstand the highest pressure thresholds in the industry.The Diamond Essentials Advantage: Medical Grade Resins to Meet Demanding Requirements • Compliant with USP Class VI standards for pharmaceutical, research, and packaging applications • FDA CFR-21 compliant for food contact • Free of heavy metals and RoHS compliant • BPA and Phthalate free Molded to Precise Specifications for Consistent Wall Thickness and Smooth Surfaces • Improves bottle and seal integrity • Reduces content “hang-up” • Manufactured in ISO 13485 and ISO 9001 certified facility Leakproof, Linerless Caps for Secure Closure • Engineered with semi-buttressed threads for superior performance compared to alternate designs • Integrated seal ring molded into cap to prevent leaks • Efficiency in Operations • Industry accepted cap and closure sizes for seamless integration into filling operations • Packaged with bottles and caps separate to eliminate the need to uncap the bottles before filling • Produced and packed in a controlled environment to assure cleanliness