| 摘要 |
<p>Containers resistant to stress cracking for liquids under pressure The material consists of (1) 100 pts. of a vinyl chloride polymer of K value in 1,2-dichloroethane of >=60, (2) 0.2 - 4 pts. by wt. of tin salts as stabilisers, pref. dialkyl tin cpds. opt. as the sulphides, (3) solid lubricants of m. p. above 70 degrees C containing:- a)0.2 - 2 pts. by wt. of fatty acid esters, b) 0 - 2pts by wt. of fatty amides, c) 0 - 0.5 pts. by wt. of a polyethylene wax.</p> |
