SEI manufacturing has been committed to producing oil storage tank capsules for the past 30 years. The material of the capsule is a whole block coated with polyurethane at 30 oz (1017g/m ²) Nylon fabric,
This special material is suitable for extreme low and extreme high temperature changing environments (-50 ℃ to+120 ℃) and guarantees long term durability of the sealing layer with extreme elastic change ability (over 20 years)
