BBDINO Silicone Mould Making Kit, 30A Liquid Silicone for Mould Making 38.8 OZ, Quick Cure Mould Making Silicone Rubber, 1:1 Ideal for Casting Resins Moulds & Silicone Moulds Sapphire BlueMixing Ratio 1A: 1B by volume: No scale required, this silicone mold set comes with 2 bottles, net weight 1. 1L, part A 550g, part B 550g, very easy to use. Also the bottle comes with aluminium foil sealed inside the cap. Low viscosity for easy mixing and pouring: this BBDINO 30A liquid silicone for mold making has low viscosity, so you can easily mix and pour the silicone material, no degassing equipment required. The moulds finished with this