Cryla Artists’ Acrylic colour is a very heavy-bodied colour with a high loading of permanent, lightfast pigments. The unique heavy, buttery feel under the brush and knife is popular with artists wanting to achieve a wide variety of impasto effects.
There are Series A-D to suit your desire. 
If you want more information, recommend you to check Daler-Rowney web for the product options.
http://www.daler-rowney.com/en/content/cryla