Silicone gasket can not be of high quality without well-selected raw materials. Different raw materials also determine distinct performance. Varied materials are used for the creation of diverse types. Because of distinct performance demanded by products, diverse raw materials are also needed. Raw materials play an essential role in manufacturing products. A great and unique raw materials selection also determines a great and one of a kind item.

Presently, Suzhou Ultimate Sealing Technology Co.,Ltd. Seal is one of the biggest ED ring R&D and production bases in China. The O ring is one of the main products of Ultimate. Ultimate NBR ED ring has passed a variety of tests. They include flammability and fire resistance testing, as well as chemical testing for lead content in surface coatings. Free of toxins like lead and mercury, this product will not cause any threat to users' health. Instead, it is regarded as a green light source.

Ultimate Seal has always tried our utmost to serve our customers well. Inquire online!