| 摘要 |
<p>1,140,734. Fibrous compositions. JOHNSMANVILLE CORP. 9 Nov., 1966 [30 Dec., 1965], No. 50096/66. Heading C3N. [Also in Division D2] A fibrous composition comprises mineral wool fibres, clay, not more than 12% of a binder consisting of 3 to 9% (by weight of total composition) of starch and 3 to 9% of thermoplastic wood resin having a softening point of at least 160‹ F. The composition may be moulded to form a sag-resistant board.</p> |
