HC-FG-006 小型四氟泛塞封. Food-Grade Machinery Industry Seals. 聚四氟乙烯（PTFE）+聚苯脂橡胶/硅胶橡胶/丁腈橡胶（NBR）. 압력: 45MPa 온도: -40/+230 속도: 15m/s