
Alwsci 250UL 6mm Glass Vial Insert Flat Bottom for 2ml 9-425 Vials. USP Type 1 Borosilicate Glass: Made from high-purity USP Type 1 Borosilicate Glass for superior chemical resistance. Flat Bottom Design: Economical flat bottom design specifically engineered to save sample volume effectively. Plastic Spring Type: Features a plastic spring type to reduce residual and fix the insert securely. ISO 9001:2015 Certified: Manufactured in an ISO 9001:2015 certified facility with 100,000 grade cleaning room. RoHS Compliant: Meets RoHS standards ensuring safety and environmental compliance for laboratory use. 24-Hour After-Sales Service: Dedicated support team available 24 hours a day to assist with technical inquiries. 3-Year Warranty: Comes with a comprehensive 3-year warranty covering mechanical defects and quality issues. OEM and ODM Services: Full OEM and ODM services available with 10 R&D engineers to support custom solutions.