Product Description: The waterproof agent provides a strong and flexible protective layer for the coating. It is impermeable and can be used on wet surfaces with high adhesive strength. It is transparent and will not turn yellow. The waterproof agent of the invention has heat resistance and cold resistance, and the change of cold and hot weather has no effect on the waterproof effect of the product. It applies to all regions. Use the following steps: 1. Clean the bottom cover before construction to ensure that the bottom cover is dry and free of dirt. If there are cracks (more than 2mm), it is recommended to repair them with sealant first, and then use waterproof agent. 2. Directly spray or brush products on the surface of ceramic tiles, ceramic tiles, wall tiles, cement, etc., waiting for the products to penetrate into the base course. After a few minutes, when there is no liquid on the deck, spray two or three times to improve the effect. The waterproof layer can be formed after curing for 24-48 hours. The longer the time, the stronger the waterproof layer. Product specification: Packaging: plastic packaging 30g size: 4.2 * 4.3cm 100g size: 7.2 * 6.2cm 300g size: 9 * 7cm Brush size: 9.8 * 1.2cm Dose Description: 30g, about 0.6m2 100g, about 2 square meters 300g, about 6 square meters Packing list: 1. Sealant or add a brush Note: in low temperature environment, waterproof agent can solidify and emit light. At this time, it can be used after boiling with hot water.