Showa Seal is mainly compounded of isoprene and isobutyl. Since major character of
Showa Seal is in its heat resistance and corrosion resistance, it shows excellent
resistance to fluoric acid, nitric acid and mixture of the two kinds. It also has an
elasticity like Showa Seal and is free from cracking defect by shock or vibration.
Service temperature is less than 100°C.


Major applications

Storage tanks of fluoric acid
Pickling and/or other tanks for metal surface treatment lines