Which type of Disposable glove is best?
There is a broad summary of the main characteristics of each Glove Type under their respective Category heading.

Broadly Latex Gloves give the best comfort/dexterity, but can cause an allergic reaction to say 8% of the population  
Nitrile Gloves have slightly less dexterity, but are tougher and usually better for Chemical Protection
Vinyl Gloves offer the least comfort but can be easily removed and usually a cost effective solution
Polythene Gloves are the cheapest and thinnest and used where regular glove changes are necessary