transparent, solid, shaped and brent non - homogeneous glassy, foremal omffattande titanium dioxide and seen to framstella foremalet

摘要

1472432 Laminates MINNESOTA MINING & MFG CO 11 April 1974 [16 April 1973] 53314/76 Divided out of 1472431 Heading B5N [Also in Division C1] Solid, fired, transparent homogenous refractory fibres containing more than 50% anatase TiO 2 in the form of individual fibres, woven or non-woven fabrics are used to reinforce plastic, elastomeric, metallic or ceramic composites. The fibres may be plied or interwoven with fibres of metal, SiO 2 , carbon, graphite, fibreglass or polytetrafluoroethylene, the fibres may contain additional oxides. In Example 2, layers of parallel fibres were laid up with layers of epoxy novolak resin and subjected to heat and pressure.