Mix at high speed the paste that you need to thicken and pour the additive very slowly in the center of the vortex created by the mixer. Be careful that as soon as the product comes into contact with the plaster it begins the process of densification and then if you are not particularly fast in mixing you can form lumps.
I’m a Return and Refund policy. I’m a great place to let your customers know what to do in case they are dissatisfied with their purchase. Having a straightforward refund or exchange policy is a great way to build trust and reassure your customers that they can buy with confidence.