… to this Chapter, not elsewhere specified or included, in primary forms. …
Explanatory notes
… 3 to this Chapter, not elsewhere specified or included, in primary forms. 3911.10 ‑ Petroleum resins, coumarone, indene … and polyterpenes constitute a group of resins, not highly polymerised, made by polymerising more or less impure … with bis (4‑chlorophenyl) sulphone. They are used in electrical parts, domestic appliances, etc. (4) Polymers …