
Alwsci ND18 Magnetic Screw Cap for 10ml 20ml Precision Thread Glass Vial. High Chemical Resistance: PTFE septa forms an inert barrier between sample and carrier material. 3-Year Warranty: Comprehensive 3-year warranty coverage for product reliability. ISO & RoHS Certified: Certified by ISO 9001:2015 and RoHS standards for quality assurance. 24/7 Online Support: 24 hours online after-sales service for technical assistance. OEM/ODM Available: Customized logo printing and specific cap configurations available. Precision Thread Design: Designed for 10ml and 20ml precision thread glass vials. Multi-Septa Options: Available with Blue PTFE/White Silicone or Red PTFE/White Silicone septa. Ultra-Clean Manufacturing: Produced in a 100,000 grade cleaning room to avoid contamination.