Crystal clear Self Levelling Resists yellowing 40 minute worktime, 24 hours to cure. Low odour, breath easy. Use ratio 1:1 of hardener and resin. Measure by weight or Volume Ideal to make jewellery and gift supplies. Can be used on almost any surface including wood, canvas, glass, mdf board, photos and silicone moulds. EASY TO USE INSTRUCTIONS. Measure equal part A(resin) and B(hardener) by weight or volume in a container. Stir together slowly for 3-5 minutes. Add pigment if desired. Surface must be dry and free of dust. It is recommended to wear protective gloves and use the product in a ventilated area. Wash your hands with soap and water. Keep out of reach of children.