A. water swelling rubber surface should be clean and smooth, no scratches, bubbles and other impurities, the edge is neat.
B. (Mpa) = 3.5c. elongation (%) = 350
C. Hardness (shore A) (of) 40 + 3f. hydrostatic expansion% more than 200g.
Water swellable rubber putty putty has not only good adhesion and durable consumer goods and has the characteristics of low temperature performance, good expansion. The product synthesized by a variety of high polymer chemical materials, strength than the ordinary putty high, especially suitable for waterproof engineering. The product according to the user and the design requirements and specifications finalized production, finished in general winding into a disc and carton packaging, convenient transportation.