Hebei Xiangyi International Trading Blog

  What is a rubber stoppers? Rubber stoppers  are ideal for stopperging joints or holes in laboratory glassware and forming liquid-tight seals. Rubber stoppers are often used with glass containers such as test tubes, flasks, kettles and many other standard laboratory equipment. We offer stoppers with and without pre-drilled holes in a variety of the most common sizes. In fact, there are about 16 different sizes of standard laboratory rubber stoppers, but we have narrowed down the selection to only those that are suitable for commercial and hobbyist use. What are the advantages of butyl rubber stoppers and the production process? Butyl rubber stoppers  are airtight, heat resistant, acid and alkali resistant, and have a high level of internal cleanliness. It quickly replaced natural rubber in the production of pharmaceutical stoppers. Butyl rubber is a synthetic rubber made of isobutylene and a small amount of isoprene (<3%) polymerized by ultra-low temperature (95℃), its unique chemi

  When discussing primary packaging for parenteral drugs, we are referring to a comprehensive packaging system typically comprising a bottle containing the medication in liquid or powder form, a rubber stopper affixed to the neck of the bottle, and a straightforward or 'tear-off' aluminum closure that encases and seals it.   Rubber stoppers  for pharmaceutical use , correctly called 'rubber stoppers', are clearly different from common rubber products for industrial and domestic use. The are used not just to seal the container, but also to perfectly isolate the medicine, ensuring sterility and preventing any form of contamination. Optimal performance requires top-quality formulations that ensure maximum rubber-drug compatibility.     Types of rubber stoppers for pharmaceutical use   Rubber stoppers designed for pharmaceutical use come in diverse sizes, types, shapes, and configurations. While there may be slight variations, they generally exhibit a cylindrical and tapere