For jerry cans and ballons up to 60l capacity. Universal bungs for container openings of 30 to 70mm diameter.
PP: weak acids, caustic solutions and detergents
PVDF: suitable for acids and alkalis, chlorine bleaching, not for strongly oxidizing acids and caustic solutions
Stainless steel: solvents and liquids of VbF Hazard Class AIII (not easily flammable)