Catalyst, consisting of titanium tetrachloride and magnesium chloride, containing by weight on an oil- and hexane-free basis:<br> <br><br><br>- 4 % or more but not more than 10 % of titanium and<br> <br><br><br>- 10 % or more but not more than 20 % magnesium<br>
Export control
condition:B,certificate:9011,action:29|condition:B,certificate:9022,action:29|condition:B,action:09