... and cross-linked space technology, with the advantages of good absorption, water-proof, fast diffusion, anti-mildew, high efficiency and long ... up to 85%.3. Does not contain surfactants, natural water absorption and fast diffusion and good performance. Only 4-5 seconds ... to complete a drop of water diffusion4. Natural water absorption is 60-70mm/min or 200mm/1.5h5. Special ripper ...