... and the spatial crossing linking technology, high absorbability, high water resistant, anti-mildew and long service life. 2) Large ... , absorb water naturally, fast speed of pervasion, lasting effectiveness. A piece of water can diffuse in 4-5 seconds. Height of absorb water: 60- ... 70 mm/5 seconds, 200mm/1.5 hours, can achieve international standard. 4) Variety size of shape: ...