Scarva Raw Materials Mould Makers/ Soft Soap Size RM1037 (New Formula) From  £13.16

I cast plaster moulds from a form which is already made out of plaster. I use this mould makers size to stop each section of plaster from sticking to another and it works perfectly. I dissolve the size into some water and sponge a few layers onto the plaster waiting for it to absorb inbetween each one.

Works great - fast delivery and very well packaged.

I got used to soft soap for making slip cast moulds when I was working in the UK. I couldn't find anything like it in the Netherlands. After trying several other products I decided to order the soft soap from Scarva. WOW! The moulds come flying of unlike any other thing I've tried here.