从China供应商批发进口9mm Ptef/Silicone Septa With Pp Cap — FOB条款

The 9mm PTFE/SILICONE Septa with PP cap is a precision laboratory consumable designed for secure sealing in 9-425 screw-thread vials. Each septum features a 6mm centre hole and combines PTFE and silicone materials to deliver chemical resistance and low permeability, critical for preserving sample integrity during chromatographic analysis. The blue short screw-thread polypropylene cap provides a tight, reliable fit that minimises evaporation and contamination risks in high-sensitivity workflows such as HPLC and GC.

PTFE faces the vial interior to resist aggressive solvents while the silicone body ensures elasticity for repeated needle piercings, a standard requirement for auto-sampler compatibility. Typical industry specifications for such septa include a thickness of 1.5mm to 2.5mm, a Shore A hardness of 50 to 70 for the silicone layer, and a temperature resistance range from -60°C to 250°C, meeting the demands of most analytical instruments. These septa are supplied in bulk packaging suitable for laboratory environments, with each unit pre-cleaned to reduce particulate contamination.

Common applications span pharmaceutical quality control, environmental testing for pesticides and volatile organics, and food safety analysis where trace-level accuracy is non-negotiable. Buyers typically source these septa in cases of 1000 units or more, with lead times and incoterms such as FOB Shanghai to be confirmed directly with the supplier. The product’s compatibility with standard vial formats and auto-samplers makes it a reliable choice for labs seeking consistent performance in routine and research-grade analyses.

DanYang Sunny Glasswork Co.,Ltd is based in the Economic Zone of Danyang, Jiangsu Province, China, with its registered address confirming a dedicated facility for laboratory consumables production. The supplier holds a harbor trust tier, indicating a verified operational presence, though its current response rate and average response hours are not publicly available, suggesting direct contact is required for trade discussions.

The company specialises in precision laboratory components, with this listing focusing on septa and caps for chromatographic applications. No additional certifications, client lists, or production scale details are provided in the available data, so buyers should request these directly to confirm compliance with their specific quality and regulatory requirements.