How fast does det cord burn?

about four miles per second
BLASTING WITH DETONATING CORD Unlike black powder, detonating cord contains a core of a very high-velocity explosive that detonates (rather than burns) at a speed of about four miles per second. The core is usually PETN, a high explosive with a velocity of about 22,000 feet per second.

How strong is det cord?

cord” refers to detonating cord which has 50 grains of explosive per foot of length—or approximately 10 g/m.

What is det cord used for?

description. Detonating cord, also called Cordeau and Primacord, is a hollow cord filled with an explosive material. It is fired by a detonator and is capable of initiating the detonation of certain other explosives at any number of points and in any desired pattern.

How is det cord ignited?

Detonating cord is initiated by a blasting cap. When initiated, it will explode over an entire length and detonate any properly connected demolition material.

What kind of cord is used for detonation?

United States Navy explosive ordnance disposal technicians double stranding detonation cord Detonating cord (also called detonation cord, detacord, det. cord, detcord, primer cord or sun cord) is a thin, flexible plastic tube usually filled with pentaerythritol tetranitrate (PETN, pentrite).

How big is a 50 grain detonating cord?

A “grams per metre” rating will be roughly one fifth the “grains per foot” rating. For example, “50 grain det. cord” refers to detonating cord which has 50 grains of explosive per foot of length—or approximately 10 g/m.

Is there a bullet proof vest that will stop a bullet?

The Bullet Proof Vest shown in many of these videos is the BulletSafe Vest. 1. The Body, Windows, and Door of a Car Our testing suggests that auto glass may change the trajectory of a bullet but it won’t stop it. Neither will the dashboard or steering wheel.

What does Cordtex stand for in explosive category?

” Cordtex ” and ” Primacord ” are two of many trademarks which have slipped into use as a generic term for this material. As a transmission medium, it can act as a downline between the initiator (usually a trigger) and the blast area, and as a trunkline connecting several different explosive charges.