I found my compound yellow.

Perhaps the thermal decomposition process of your blowing agent is = causing this discoloration. I suggest you ask your blowing agent = manufacturer for a suitable additive (activator, kicker, stabilizer, = etc.) to lower activation temperature or for a suitable endothermic = blowing agent for your purpose ...=20
Mohammad14 wrote:

this discoloration. I suggest you ask your blowing agent manufacturer for a suitable additive (activator, kicker, stabilizer, etc.) to lower activation temperature or for a suitable endothermic blowing agent for your purpose ... Most followers of Allah use C4 as their blowing agent ;)

ing this discoloration. I suggest you ask your blowing agent manufacturer f= or a suitable additive (activator, kicker, stabilizer, etc.) to lower activ= ation temperature or for a suitable endothermic blowing agent for your purp= ose ... In the name of Allah. Thank you for your reply dear frank.Thank you dear Wissmann for your useful answer. I found azodicarbonamide (C2H4O2N4) a good blowing agent :) . If you need primary information about this blowing agent you may find useful. I hope good suggestions from you,however any reply is welcome here.For further researchers I would like to explain. If the color of their products tends to yellow they would find optical brighteners useful in their products...I have not enough information. I would like to invite anyone who has useful information about this material.I will open a discuss and talk about this materials Best Wishes..