Synthetic resin made wax [sealant]
Synthetic polymer wax [sealant]
Soft paste wax [usually carbauna]
Conventional solid wax [usually carbauna]
Conventional hard paste wax [usually carbauna]

sealant usually comes in liquid form, but there are paste version as well. While carbauna usually comes in paste form. There is not much diff in terms of liquid or paste type, is all preference. Liquid usually easier to remove, while paste usually give u that thick wax feeling.