If you are uncertain whether you are allowed to take certain items on board you can find more information on the Swedish Civil Aviation Authority homepage.

Banned items

All items that could be used as sharp weapons should be packed in baggage that is checked in. This applies to items such as: scissors, nail files, pocket knives and corkscrews.
For safety reasons, a large amount of substances and liquids are banned from being taken on board in the plane cabin as well as in the checked in baggage, these include: compressed gases, corrosive and volatile substances, paints, fireworks, toxins and bacterial or viral substances.