LDPE (bottle types Acetone and MEK made of PP), screw cap and spray pipe made of PP.Overpressure valve in the screw cap extensively prevents leakage, dripping or escape of the liquid from the spray pie, e.g. in the case of temperature fluctuations. With permanent four-language content imprint (German, English, French, Spanish) and hazard warning acc. to GHS.Note: The chemical resistance of the spray bottles is limited when aggressive filling media are used. The bottles should therefore be replaced regularly and not used for analytical or critical applications.