Surf clear is designed for surface coating of products mainly tabletops. Can be used for jewelry making and boasts a high gloss finish. This can also be used as your finish coat after using the slow-casting resin for river tables. There is some shrinkage with this product as it does self-level a bit. This product may not be more than 1.5mm thick on tops. Weight 1.32kg Mixing ratio 100g resin – 41g hardener