Paraffin (Kakin man fetur, E905c) wani kakin zuma ne - kamar abu, cakuda matsananci hydrocarbons (alkanes) na abun da ke ciki daga C18H38 zuwa C35H72.
Akwai nau'ikan 2:
- (i) Kakin zuma (Microcrystalline wax);
- (ii) Paraffin kakin zuma.
Ana amfani da shi don shirya takarda, feshin katako a cikin wasa da masana'antar fensir, don suturar yadudduka, a matsayin kayan ruɓewa, kayan ƙimiyyar sinadarai, da sauransu.