Our products
Precision. Efficiency. Delivered.
Complete Lab Solutions
We offer a full range of vials, caps, and accessories designed to support chromatography, sample storage, and chemical analysis. With consistent quality and wide compatibility, Mastelf ensures dependable results across your laboratory workflows.
Smart Material Selection
Choosing the right septa and materials is essential for accurate analysis. Our PTFE/Silicone septa combine strong chemical resistance with reliable sealing, helping prevent contamination, evaporation, and sample loss. Additional material options—including Viton (FKM) and multi-layer designs—allow you to match your exact application needs.
Designed for Performance
From screw, snap, and crimp vials to insert and specialty designs, each product is engineered for ease of use and consistent results. Features such as pre-slit septa and fused inserts help improve efficiency, protect sample integrity, and streamline your daily lab operations.
