| 摘要 |
<p>Heat-resistant non-asbestos gasket sheet material having a matrix of cured hydraulic cement which is reinforced by vitreous fibres and organic web-forming fibres and incorporates a micaceous mineral, said material having a density in the range 700-1200 kg/m<3>, a tensile strength of at least 2 MPa and a burst strength of at least 50 KPa.</p> |
