A bill relating to the tariff treatment of certain articles.

[AI summary unavailable — showing source text] Amends the Tariff Schedules of the United States to permit the duty-free entry of specified dyeing and tanning products. Suspends, until June 30, 1981, the duties on: (1) wood excelsior; (2) nitrocellulose; (3) 2-methyl, 4-chlorophenol; and (4) certain forms of zinc. Reduces from 15 percent to four percent the duty on certain ceramic insulators used in spark plugs until June 30, 1981.…