YOUQI gaskets are rubber sealing parts made of NBR, silicone, SBR, EPDM, HNBR, NR and FKM. Working temperature ranges from ‑50℃ to 280℃, which depends on rubber material. Hardness ranges 30‑90 Shore A. Available in black or custom colors, sizes and shapes upon clients’ requests. Featuring oil‑resistant, acid‑alkali resistant and cold‑resistant performance, they work as gaskets for sealing and cushioning. Suitable for food‑grade sealing, also widely applied in pharmaceutical, electronic and chemical industries. Manufactured in Shanghai, China. These multi‑material flat gaskets and O‑rings deliver reliable sealing for household water meters and pipelines. Custom specifications are supported.