Rubber Waterstop Strip is also called of rubber sealing strip, hydrophilic rubber waterstop or bentonite rubber waterstop. With water-swelling performances, the volume expansion ratio of rubber waterstop strip changes from 150% to 600%. According to production process, rubber waterstop strip can be classified into putty type(PN) and product type(PZ). Commonly, PN type rubber waterstop strip with black surface is suitable for volume expansion ratio ranges 150% – 300%; PZ type rubber waterstop strip with orange surface is suitable for volume expansion ratio ranges from 150% – 600%.

Storage
During the transportation and storage of rubber waterstop strip, should be attention to not damage the packing; place in a ventilated and dry place with temperature ranges – 15℃ – 30 ℃; avoid from direct sunlight; avoid contacting with water, acid, alkali, oil as well as organic solvent; keep away from heat source and avoid from heavy load.