Wholesale Screw Caps for 20 mm Headspace Vials from a Reliable Manufacturer

Ningbo Excellent New Material Co., Ltd. is a leading manufacturer, supplier and factory of high-quality screw caps for 20 mm headspace vials in China. Our screw caps are specifically designed to provide a reliable and leak-proof seal to ensure the integrity of your sample. Our caps are compatible with a wide range of GC and HPLC systems and are available in a variety of colors to help you manage your samples more efficiently.

Our screw caps are made of high-quality materials that ensure their durability and longevity. They are easy to apply and remove, making them ideal for use in high-throughput laboratories. Our caps are also available in different types of septa materials like PTFE, Silicone/PTFE, and more.

At Ningbo Excellent New Material Co., Ltd., we work hard to provide our customers with the most innovative and reliable products that meet their scientific needs. So if you require screw caps for 20 mm headspace vials, look no further than our company. We are always ready to provide you the best products at competitive prices.

Featured Products

  • Introducing our innovative screw caps designed specifically for 20 mm headspace vials - the perfect solution for preserving and storing volatile organic compounds (VOCs). Our screw caps are engineered with precision to ensure an airtight seal, preventing any leakage or contamination of your samples. Unlike traditional crimp caps, our screw caps offer easy and quick access to your samples, making it ideal for high-throughput labs that require quick and efficient processes. These screw caps are made from high-quality materials that are inert to most solvents, ensuring maximum compatibility with various sample matrices. Additionally, its highly inert nature eliminates any possibility of interfering with your sample. The screw caps can be easily removed and resealed multiple times, allowing for repeated access to your sample without deterioration or contamination. Our screw caps also come in various colors, for easy identification and organization of your samples. Moreover, the screw caps' unique design ensures a secure grip, making it easy to handle and use, even for users wearing gloves. Our screw caps are the perfect addition to any laboratory that requires sample preservation without compromising sample quality. Look no further and try out our screw caps now!

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