RENDROCK.—A brand of American dynamite.
REX POWDER is a coal-mine explosive made by the Cotton Powder Co. It is on the Permitted List, and is used to a considerable extent—
| Date of Permit | 16-8-15 |
| Nitroglycerine | 12 |
| Ammonium nitrate | 60 |
| Wood meal | 8·5 |
| Sodium chloride | 19·5 |
Limit charge | 20 oz. |
| Power (swing of ballistic pendulum) | 2·61” |
REXITE.—A coal-mine explosive made by the New Explosives Co., which was on the old Permitted List. It is no longer “permitted.”
| Nitroglycerine | 7·5 |
| Ammonium nitrate | 66 |
| Sodium nitrate | 14·5 |
| Trinitro-toluene | 7·5 |
| Wood meal | 4·5 |
REXOL.—A high explosive containing ammonium perchlorate, zinc dust, resin and mineral oil.
R.F.G. (Rifled Fine Grain) } black powders made for rifles
R.L.G. (Rifled Large Grain) } and rifled ordnance respectively.
RHENANIT.—A German blasting explosive containing ammonium nitrate, not more than 4 per cent. of [blasting gelatine], and combustibles such as charcoal and naphthalene.
Wetter-Rhenanit is for use in coal mines, and contains also sodium chloride.
Rhenanit V., which has been introduced recently, contains up to 10 per cent. of potassium perchlorate, and is similar to [Astralit V].