RUBBER MATTINGwaterswelling rubberplateismade??bya variety ofprocesswater swellableresinandsynthetic rubber,aftercontact with water, that is,uniform expansion,untilitswelled toseveraltimestheoriginal volume.Backin the early 1980sRUBBERMATTINGforplugginginavarietyofcivil construction,sealing material,aso-calledwater-swellingmaterial.RUBBER MATTINGascaulkingputty,water stop,cutwatermaterialsincontact with water,quicklyswellingtofloodingthegapspace,maintainahighdegreeoftightness.