... shell etcBacking of shell Mosaic:Mesh,Ceramic,Porcelain, aluminium honey comb,PVC,MDF board etc.Finish of ... Mosaics : Shell mosaics& shell tiles are widely used in shell decoration of hotels, villas, bars, office houses ... calcium silicate board,gypsum board,acrylic and metal.Lay AB glue,glass cement or common cement ... surface of the products. So the protection way is rather simple.We can use dry cloth ...