| 摘要 |
<p>A powdery extinguishing compn. for alkali metal fires comprises 2-90% of a thermoplastic synthetic resin selected from polyamides, polymers rich in aromatic rings and their mixts., and 10-98% of an extinguishing agent comprising ammonium salts of inorganic acids, alkali metal phosphates or urea or mixts. of these. The compn. does not contain pitch and is easily prepd. Only a small amt. is required in use.</p> |
