Reclassification of the Kalinitrox and Kalinidex propellants

Alblasserdam/Rijswijk, 21 June, 2003 - 18 June was a very exciting day for the NAVRO. Both the Kalinitrox (potassium nitrate/potassium perchlorate based) and Kalinidex (potassium nitrate/sugar based) propellants were to be tested at TNO/PML, so they could be reclassified in the 1.4 class. TNO is the leading Dutch testing and qualifying organization. TNO/PML is its military and explosives testing facility. The main purpose of the tests was to confirm that both propellants burn at a temperature that is low enough for firemen come as close as 15 metres near it in case of an emergency.

The tests were very spectacular to see, but the temperatures measured at 15 metres during both tests were very low. As a matter of fact they were so low that they were almost immeasurable. We have received the report from TNO/PML so both propellants are now officially classified as 1.4.

TNO test
Preparation by Peter Heeren and Gerben-Jan Ligthart.
TNO test
The box with Kalinitrox grains.
TNO test
Just after ignition, the box is still intact.
 
TNO test
A few seconds later and the flames have burned through the side of the box.
TNO test
A few moments later, almost all the propellant has burned away.
TNO test
Now only the box and cushioning material are burning.
TNO test
Preparation of the Kalinidex test.
TNO test
The box with Kalinidex grains.
TNO test
The grains have just breached the side of the box.
TNO test
A few moments later.
TNO test
Only the remains of the box and cushioning material are still burning here.
TNO test
All that remained after the test.
Details
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