出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2009/12/17 19:29 UTC 版)
Primacord is a registered trademark of detonating cord used in blasting, originally manufactured by the Ensign-Bickford Company. Ensign Bickford sold the trademark to Dyno Nobel Inc in 2003 and it is now manufactured in Graham, Kentucky. Primacord consists of a core of pure powdered PETN in an outer textile jacket (sometimes waxed), and is produced in 8 strengths: