To ensure perfume not volatilize,zamak perfume cap must close with perfume pump very tightly.
Usually there are two suitable ways of zamak perfume cap closing up with the bottle.
1. Close up through magnet.
There is a magnet in the zamak cap,meanwhile there is a magnet in the perfume pump.As a result,the cap will grip the perfume pump very tight.This is a very effective way to seal the perfume.While cost is a little expensive.
2. Close up through the snap joint
There is a Convex place in the cap,there is also concave in the pump. The cap will fit the pump through this convex concave joint to seal the perfume.
Now most perfume bottles closing up in this way.