Nonnbei(Water Expansion Rubber) |
Sealing material expands with water.
![]() This product is a water expansion rubber. It contains an absorption polymer
which expands itself to 10-1000 times its volume within. It is used in
the manufacture of baby's diapers because it is safe. Water is absorbed
by the rubber, which prevents leakage of water by the absorption polymer
in the rubber. However, it does not expand quickly, it takes approximately
one week to expand to its maximum size. |
Applications |
It is used in hume-pipe packing materials, joint filling materials for
concrete panels, and packing materials for box culverts,etc.
Note: Quality specifications are determined by separate negotiations because quality requirements vary according to the conditions under which the products will be used. |