Paraffin (Petroleum wax, E905c) ndi sera - ngati chinthu, chisakanizo cha ma hydrocarboni owopsa (alkanes) opangidwa kuchokera ku C.18H38 kwa C35H72.
Pali mitundu iwiri:
- (i) Sera ya Microcrystalline (Microcrystalline sera);
- (ii) Phula la parafini.
Amagwiritsidwa ntchito pokonzekera mapepala a parafini, kuyika matabwa m'machesi ndi mafakitale a pensulo, kuvala nsalu, monga zotetezera, mankhwala opangira mankhwala, etc. Mu mankhwala, amagwiritsidwa ntchito pochiza parafini.