| 摘要 |
<p>The new porous mass without asbestos contents is intended for the filling of the vessels for storaging, transportation and consumption of acetylene, based on calcium silicates, obtained from lime, quartz and boric acid, containing up to 10 mass per cent, counted towards dry matter, of a fine dispersed mixture of the synthetic fibres based on carbon and alkali resistant glass fibres, with the addition, if necessary, up to 0,5 mass per cent carboxymethylcellulose, containing fine, uniformly distributed pores, mainly without the cavities within the mass, whose porosity at least equals to 88 %.</p> |
