Plastisol Softener for use with HCL Plastisol.
The measurement guide for softening plastics are:
2,5 litre of plastisol mixed with 250ml of softener makes a 20% softer plastic.
1 litre of plastisol mixed with 100ml of softener makes a 20% softer plastic.
Its not recommended to mix the soft version of the plastic with more than 1:10 ratio of softener.