Abstract: The alternate soaking apparatus for treatment of tissue materials has a plurality of chemical liquid containers, a treatment container for soaking and treating a tissue material, a plurality of liquid feed tubes for providing fluid communication between the corresponding chemical liquid containers and the treatment container to introduce the respective chemical liquids into the treatment container, a liquid discharge tube for discharging the chemical liquids in the treatment container, and control means for controllably opening and closing the liquid feed tubes and the liquid discharge tube to allow the plurality of chemical liquids to be contained in the treatment container individually and alternately.

Abstract: There is provided herein a curable silicone elastomer composition comprising the following components: (A) 100 parts by weight of a polyorganosiloxane having at least two silicon-bonded vinyl groups per molecule, (B) 1 to 300 parts by weight of fine powders of tungsten carbide and (C) a component for crosslinking of said component (A) selected from the group consisting of (1) a combination of (a) 0.1 to 10 parts by weight of a polyorganohydrogensiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule and (b) 0.000001 to 0.1 part by weight of a platinum catalyst; (2) a combination of said (a), (b) and (c) 0.00001 part to less than 0.1 part by weight of an organic peroxide except from organohydroperoxide; (3) a combination of said (a) and (d) 0.00001 part to less than 0.2 part by weight of the reaction product between said (b) and (c); and (4) 0.1 to 3.0 parts by weight of an organic peroxide except from organohydroperoxide.